Bump up golang-migrate

This commit bumps it up to 4.11.0
Signed-off-by: Daniel Jiang <jiangd@vmware.com>

src/common/dao/pgsql.go

@@ -22,9 +22,9 @@ import (
 
 	"github.com/astaxie/beego/orm"
 	"github.com/goharbor/harbor/src/common/models"
-	"github.com/golang-migrate/migrate"
+	migrate "github.com/golang-migrate/migrate/v4"
-	_ "github.com/golang-migrate/migrate/database/postgres" // import pgsql driver for migrator
+	_ "github.com/golang-migrate/migrate/v4/database/postgres" // import pgsql driver for migrator
-	_ "github.com/golang-migrate/migrate/source/file"       // import local file driver for migrator
+	_ "github.com/golang-migrate/migrate/v4/source/file"       // import local file driver for migrator
 
 	"github.com/goharbor/harbor/src/common/utils"
 	"github.com/goharbor/harbor/src/lib/log"

src/go.mod

@@ -12,9 +12,7 @@ require (
 	github.com/astaxie/beego v1.12.1
 	github.com/aws/aws-sdk-go v1.19.47
 	github.com/beego/i18n v0.0.0-20140604031826-e87155e8f0c0
-	github.com/bitly/go-hostpool v0.0.0-20171023180738-a3a6125de932 // indirect
 	github.com/bmatcuk/doublestar v1.1.1
-	github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869
 	github.com/bugsnag/bugsnag-go v1.5.2 // indirect
 	github.com/bugsnag/panicwrap v1.2.0 // indirect
 	github.com/casbin/casbin v1.7.0
@@ -24,7 +22,6 @@ require (
 	github.com/dghubble/sling v1.1.0
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/docker/distribution v2.7.1+incompatible
-	github.com/docker/docker v1.13.1 // indirect
 	github.com/docker/go v0.0.0-20160303222718-d30aec9fd63c // indirect
 	github.com/docker/go-metrics v0.0.0-20181218153428-b84716841b82 // indirect
 	github.com/docker/libtrust v0.0.0-20160708172513-aabc10ec26b7
@@ -37,24 +34,20 @@ require (
 	github.com/go-openapi/strfmt v0.19.3
 	github.com/go-openapi/swag v0.19.5
 	github.com/go-openapi/validate v0.19.5
-	github.com/go-sql-driver/mysql v1.4.1
+	github.com/go-sql-driver/mysql v1.5.0
 	github.com/gocraft/work v0.5.1
 	github.com/gofrs/uuid v3.2.0+incompatible // indirect
-	github.com/golang-migrate/migrate v3.3.0+incompatible
+	github.com/golang-migrate/migrate/v4 v4.11.0
 	github.com/gomodule/redigo v2.0.0+incompatible
 	github.com/google/certificate-transparency-go v1.0.21 // indirect
-	github.com/google/go-querystring v0.0.0-20170111101155-53e6ce116135 // indirect
 	github.com/google/uuid v1.1.1
 	github.com/gorilla/csrf v1.6.2
-	github.com/gorilla/handlers v1.3.0
+	github.com/gorilla/handlers v1.4.2
-	github.com/gorilla/mux v1.7.2
+	github.com/gorilla/mux v1.7.4
 	github.com/graph-gophers/dataloader v5.0.0+incompatible
-	github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed // indirect
 	github.com/jinzhu/gorm v1.9.8 // indirect
 	github.com/justinas/alice v0.0.0-20171023064455-03f45bd4b7da
-	github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0 // indirect
+	github.com/lib/pq v1.3.0
-	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
-	github.com/lib/pq v1.1.0
 	github.com/mattn/go-runewidth v0.0.4 // indirect
 	github.com/miekg/pkcs11 v0.0.0-20170220202408-7283ca79f35e // indirect
 	github.com/olekukonko/tablewriter v0.0.1
@@ -67,9 +60,9 @@ require (
 	github.com/spf13/viper v1.4.0 // indirect
 	github.com/stretchr/testify v1.4.0
 	github.com/theupdateframework/notary v0.6.1
-	golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d
+	golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073
-	golang.org/x/net v0.0.0-20191004110552-13f9640d40b9
+	golang.org/x/net v0.0.0-20200202094626-16171245cfb2
-	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
+	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
 	gopkg.in/asn1-ber.v1 v1.0.0-20150924051756-4e86f4367175 // indirect
 	gopkg.in/dancannon/gorethink.v3 v3.0.5 // indirect
 	gopkg.in/fatih/pool.v2 v2.0.0 // indirect

src/go.sum

@@ -5,7 +5,26 @@ cloud.google.com/go v0.37.4 h1:glPeL3BQJsbF6aIIYfZizMwc5LTYz250bDMjttbBGAU=
 cloud.google.com/go v0.37.4/go.mod h1:NHPJ89PdicEuT9hdPXMROBD91xc5uRDxsMtSB16k7hw=
 cloud.google.com/go v0.38.0 h1:ROfEUZz+Gh5pa62DJWXSaonyu3StP6EA6lPEXPI6mCo=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
+cloud.google.com/go v0.53.0 h1:MZQCQQaRwOrAcuKjiHWHrgKykt4fZyuwF2dtiG3fGW8=
+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
+cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
+cloud.google.com/go/spanner v1.2.0/go.mod h1:LfwGAsK42Yz8IeLsd/oagGFBqTXt3xVWtm8/KD2vrEI=
+cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/Azure/azure-sdk-for-go v16.2.1+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
+github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
 github.com/Azure/go-autorest v10.8.1+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
 github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
@@ -18,6 +37,7 @@ github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbt
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/ClickHouse/clickhouse-go v1.3.12/go.mod h1:EaI/sW7Azgz9UATzd5ZdZHRUhHgv5+JMS9NSr2smCJI=
 github.com/Knetic/govaluate v3.0.0+incompatible h1:7o6+MAPhYTCF0+fdvoz1xDedhRb4f6s9Tn1Tt7/WTEg=
 github.com/Knetic/govaluate v3.0.0+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/MakeNowJust/heredoc v0.0.0-20170808103936-bb23615498cd/go.mod h1:64YHyfSL2R96J44Nlwm39UHepQbyR5q10x7iYa1ks2E=
@@ -27,6 +47,8 @@ github.com/Masterminds/semver v1.4.2/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF0
 github.com/Masterminds/semver/v3 v3.0.3/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
 github.com/Masterminds/sprig/v3 v3.0.2/go.mod h1:oesJ8kPONMONaZgtiHNzUShJbksypC5kWczhZAf6+aU=
 github.com/Masterminds/vcs v1.13.1/go.mod h1:N09YCmOQr6RLxC6UNHzuVwAdodYbbnycGHSmwVJjcKA=
+github.com/Microsoft/go-winio v0.4.11/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
+github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
 github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5 h1:ygIc8M6trr62pF5DucadTWGdEB4mEyvzi0e2nbcmcyA=
 github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
 github.com/Microsoft/hcsshim v0.8.7/go.mod h1:OHd7sQqRFrYd3RmSgbgji+ctCwkbq2wbEYNSzOYtcBQ=
@@ -65,6 +87,7 @@ github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496/go.mod h1:o
 github.com/astaxie/beego v1.12.1 h1:dfpuoxpzLVgclveAXe4PyNKqkzgm5zF4tgF2B3kkM2I=
 github.com/astaxie/beego v1.12.1/go.mod h1:kPBWpSANNbSdIqOc8SUL9h+1oyBMZhROeYsXQDbidWQ=
 github.com/aws/aws-sdk-go v1.15.11/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
+github.com/aws/aws-sdk-go v1.17.7/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go v1.19.47 h1:ZEze0mpk8Fttrsz6UNLqhH/jRGYbMPfWFA2ILas4AmM=
 github.com/aws/aws-sdk-go v1.19.47/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f/go.mod h1:AuiFmCCPBSrqvVMvuqFuk0qogytodnVFVSN5CeJB8Gc=
@@ -81,6 +104,7 @@ github.com/bitly/go-hostpool v0.0.0-20171023180738-a3a6125de932 h1:mXoPYz/Ul5HYE
 github.com/bitly/go-hostpool v0.0.0-20171023180738-a3a6125de932/go.mod h1:NOuUCSz6Q9T7+igc/hlvDOUdtWKryOrtFyIVABv/p7k=
 github.com/bitly/go-simplejson v0.5.0 h1:6IH+V8/tVMab511d5bn4M7EwGXZf9Hj6i2xSwkNEM+Y=
 github.com/bitly/go-simplejson v0.5.0/go.mod h1:cXHtHw4XUPsvGaxgjIAn8PhEWG9NfngEKAMDJEczWVA=
+github.com/bkaradzic/go-lz4 v1.0.0/go.mod h1:0YdlkowM3VswSROI7qDxhRvJ3sLhlFrRRwjwegp5jy4=
 github.com/blang/semver v3.1.0+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
 github.com/blang/semver v3.5.0+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
 github.com/bmatcuk/doublestar v1.1.1 h1:YroD6BJCZBYx06yYFEWvUuKVWQn3vLLQAVmDmvTSaiQ=
@@ -103,15 +127,22 @@ github.com/cenkalti/backoff v2.1.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QH
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/chai2010/gettext-go v0.0.0-20160711120539-c6fed771bfd5/go.mod h1:/iP1qXHoty45bqomnu2LM+VVyAEdWN+vtSHGlQgyxbw=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cloudflare/cfssl v0.0.0-20190510060611-9c027c93ba9e h1:ZtyhUG4s94BMUCdgvRZySr/AXYL5CDcjxhIV/83xJog=
 github.com/cloudflare/cfssl v0.0.0-20190510060611-9c027c93ba9e/go.mod h1:yMWuSON2oQp+43nFtAV/uvKQIFpSPerB57DCt9t8sSA=
 github.com/cloudflare/golz4 v0.0.0-20150217214814-ef862a3cdc58/go.mod h1:EOBUe0h4xcZ5GoxqC5SDxFQ8gwyZPKQoEzownBlhI80=
+github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
+github.com/cockroachdb/cockroach-go v0.0.0-20190925194419-606b3d062051/go.mod h1:XGLbWH/ujMcbPbhZq52Nv6UrCghb1yGn//133kEsvDk=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/containerd/cgroups v0.0.0-20190919134610-bf292b21730f/go.mod h1:OApqhQ4XNSNC13gXIwDjhOQxjWa/NxkwZXJ1EvqT0ko=
 github.com/containerd/console v0.0.0-20180822173158-c12b1e7919c1/go.mod h1:Tj/on1eG8kiEhd0+fhSDzsPAFESxzBBvdyEgyryXffw=
 github.com/containerd/containerd v1.3.0-beta.2.0.20190828155532-0293cbd26c69/go.mod h1:bC6axHOhabU15QhwfG7w5PipXdVtMXFTttgp+kVtyUA=
 github.com/containerd/containerd v1.3.2/go.mod h1:bC6axHOhabU15QhwfG7w5PipXdVtMXFTttgp+kVtyUA=
+github.com/containerd/containerd v1.3.3 h1:LoIzb5y9x5l8VKAlyrbusNPXqBY0+kviRloxFUMFwKc=
+github.com/containerd/containerd v1.3.3/go.mod h1:bC6axHOhabU15QhwfG7w5PipXdVtMXFTttgp+kVtyUA=
 github.com/containerd/continuity v0.0.0-20190426062206-aaeac12a7ffc/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y=
 github.com/containerd/continuity v0.0.0-20200107194136-26c1120b8d41/go.mod h1:Dq467ZllaHgAtVp4p1xUQWBrFXR9s/wyoTpG8zOJGkY=
 github.com/containerd/fifo v0.0.0-20190226154929-a9fb20d87448/go.mod h1:ODA38xgv3Kuk8dQz2ZQXpnv/UZZUHUCL7pnLehbXgQI=
@@ -127,6 +158,7 @@ github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/coreos/pkg v0.0.0-20180108230652-97fdf19511ea/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
@@ -138,6 +170,7 @@ github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7Do
 github.com/cupcake/rdb v0.0.0-20161107195141-43ba34106c76/go.mod h1:vYwsqCOLxGiisLwp9rITslkFNpZD5rz43tf41QFkTWY=
 github.com/cyphar/filepath-securejoin v0.2.2 h1:jCwT2GTP+PY5nBz3c/YL5PAIbusElVrPujOBSCj8xRg=
 github.com/cyphar/filepath-securejoin v0.2.2/go.mod h1:FpkQEhXnPnOthhzymB7CGsFk2G9VLXONKD9G7QGMM+4=
+github.com/cznic/mathutil v0.0.0-20180504122225-ca4c9f2c1369/go.mod h1:e6NPNENfs9mPDVNRekM7lKScauxd5kXTr1Mfyig6TDM=
 github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -146,6 +179,8 @@ github.com/daviddengcn/go-colortext v0.0.0-20160507010035-511bcaf42ccd/go.mod h1
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@@ -153,15 +188,18 @@ github.com/dgrijalva/jwt-go v0.0.0-20170104182250-a601269ab70c/go.mod h1:E3ru+11
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@@ -199,6 +237,7 @@ github.com/fatih/camelcase v1.0.0/go.mod h1:yN2Sb0lFhZJUdVvtELVWefmrXpuZESvPmqwo
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@@ -207,6 +246,8 @@ github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
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@@ -274,12 +315,17 @@ github.com/go-openapi/validate v0.19.3/go.mod h1:90Vh6jjkTn+OT1Eefm0ZixWNFjhtOH7
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@@ -295,21 +341,30 @@ github.com/gogo/protobuf v1.2.2-0.20190723190241-65acae22fc9d/go.mod h1:SlYgWuQ5
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@@ -323,19 +378,26 @@ github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
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 github.com/olekukonko/tablewriter v0.0.0-20170122224234-a0225b3f23b5/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
 github.com/olekukonko/tablewriter v0.0.1 h1:b3iUnf1v+ppJiOfNX4yxxqfWKMQPZR5yoh8urCTFX88=
@@ -537,14 +646,20 @@ github.com/prometheus/procfs v0.0.5/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDa
 github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
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 github.com/shiena/ansicolor v0.0.0-20151119151921-a422bbe96644 h1:X+yvsM2yrEktyI+b2qND5gpH8YhURn0k8OCaeRnkINo=
 github.com/shiena/ansicolor v0.0.0-20151119151921-a422bbe96644/go.mod h1:nkxAfR/5quYxwPZhyDxgasBMnRtBZd0FCEpawpjMUFg=
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 github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726/go.mod h1:3yhqj7WBBfRhbBlzyOC3gUxftwsU0u8gqevxwIHQpMw=
 github.com/siddontang/ledisdb v0.0.0-20181029004158-becf5f38d373/go.mod h1:mF1DpOSOUiJRMR+FDqaqu3EBqrybQtrDDszLUZ6oxPg=
 github.com/siddontang/rdb v0.0.0-20150307021120-fc89ed2e418d/go.mod h1:AMEsy7v5z92TR1JKMkLLoaOQk++LVnOKL3ScbJ8GNGA=
@@ -597,6 +712,7 @@ github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8/go.mod h1:hkRG
 github.com/syndtr/goleveldb v0.0.0-20181127023241-353a9fca669c/go.mod h1:Z4AUp2Km+PwemOoO/VB5AOx9XSsIItzFjoJlOSiYmn0=
 github.com/theupdateframework/notary v0.6.1 h1:7wshjstgS9x9F5LuB1L5mBI2xNMObWqjz+cjWoom6l0=
 github.com/theupdateframework/notary v0.6.1/go.mod h1:MOfgIfmox8s7/7fduvB2xyPPMJCrjRLRizA8OFwpnKY=
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 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
@@ -607,6 +723,9 @@ github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5/go.mod h1:70zkFmudgCuE/
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 github.com/wendal/errors v0.0.0-20130201093226-f66c77a7882b/go.mod h1:Q12BUT7DqIlHRmgv3RskH+UCM/4eqVMgI0EMmlSpAXc=
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+github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c/go.mod h1:lB8K/P019DLNhemzwFU4jHLhdvlE6uDZjXFejJXr49I=
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 github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
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 github.com/xeipuuv/gojsonschema v0.0.0-20180618132009-1d523034197f/go.mod h1:5yf86TLmAcydyeJq5YvxkGPE2fm/u4myDekKRoLuqhs=
@@ -617,10 +736,13 @@ github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:
 github.com/yvasiyarov/go-metrics v0.0.0-20140926110328-57bccd1ccd43/go.mod h1:aX5oPXxHm3bOH+xeAttToC8pqch2ScQN/JoXYupl6xs=
 github.com/yvasiyarov/gorelic v0.0.0-20141212073537-a9bba5b9ab50/go.mod h1:NUSPSUX/bi6SeDMUh6brw0nXpxHnc96TguQh0+r/ssA=
 github.com/yvasiyarov/newrelic_platform_go v0.0.0-20140908184405-b21fdbd4370f/go.mod h1:GlGEuHIJweS1mbCqG+7vt2nvWLzLLnRHbXz5JKd/Qbg=
+github.com/zenazn/goji v0.9.0/go.mod h1:7S9M489iMyHBNxwZnk9/EHS098H4/F6TATF2mIxtB1Q=
+gitlab.com/nyarla/go-crypt v0.0.0-20160106005555-d9a5dc2b789b/go.mod h1:T3BPAOm2cqquPa0MKWeNkmOM5RQsRhkrwMWonFMN7fE=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
 go.mongodb.org/mongo-driver v1.0.3/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
+go.mongodb.org/mongo-driver v1.1.0/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
 go.mongodb.org/mongo-driver v1.1.1 h1:Sq1fR+0c58RME5EoqKdjkiQAmPjmfHlZOoRI6fTUOcs=
 go.mongodb.org/mongo-driver v1.1.1/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
 go.mongodb.org/mongo-driver v1.1.2 h1:jxcFYjlkl8xaERsgLo+RNquI0epW6zuy/ZRQs6jnrFA=
@@ -628,9 +750,12 @@ go.mongodb.org/mongo-driver v1.1.2/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qL
 go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
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 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
+go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
+go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
+go.uber.org/zap v1.9.1/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
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 golang.org/x/crypto v0.0.0-20171113213409-9f005a07e0d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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@@ -640,6 +765,9 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20190320223903-b7391e95e576/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c h1:Vj5n4GlwjmQteupaxJ9+0FNOmBrHfq7vN4btdGoDZgI=
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@@ -649,22 +777,45 @@ golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 h1:ObdrDkeb4kJdCP557AjRjq
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@@ -758,11 +962,22 @@ gonum.org/v1/netlib v0.0.0-20190331212654-76723241ea4e/go.mod h1:kS+toOQn6AQKjmK
 google.golang.org/api v0.0.0-20160322025152-9bf6e6e569ff/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
+google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
+google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
+google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
+google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
+google.golang.org/api v0.14.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
+google.golang.org/api v0.15.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
+google.golang.org/api v0.17.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
+google.golang.org/appengine v1.3.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0 h1:KxkO13IPW4Lslp2bz+KHP2E3gtFlrIGNThxkZQ3g+4c=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
+google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM=
+google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/cloud v0.0.0-20151119220103-975617b05ea8/go.mod h1:0H1ncTHf11KCFhTc/+EFRbzSCOZx+VUbRMk55Yv5MYk=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -770,15 +985,30 @@ google.golang.org/genproto v0.0.0-20190404172233-64821d5d2107/go.mod h1:VzzqZJRn
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
+google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
+google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
+google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200128133413-58ce757ed39b/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce h1:1mbrb1tUU+Zmt5C94IGKADBTJZjZXAd+BubWi7r9EiI=
+google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/grpc v0.0.0-20160317175043-d3ddb4469d5a/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
+google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.27.1 h1:zvIju4sqAGvwKspUQOhwnpcqSbzi7/H6QomNNjTL4sk=
+google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/asn1-ber.v1 v1.0.0-20150924051756-4e86f4367175 h1:nn6Zav2sOQHCFJHEspya8KqxhFwKci30UxHy3HXPTyQ=
@@ -791,12 +1021,14 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/dancannon/gorethink.v3 v3.0.5 h1:/g7PWP7zUS6vSNmHSDbjCHQh1Rqn8Jy6zSMQxAsBSMQ=
 gopkg.in/dancannon/gorethink.v3 v3.0.5/go.mod h1:GXsi1e3N2OcKhcP6nsYABTiUejbWMFO4GY5a4pEaeEc=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fatih/pool.v2 v2.0.0 h1:xIFeWtxifuQJGk/IEPKsTduEKcKvPmhoiVDGpC40nKg=
 gopkg.in/fatih/pool.v2 v2.0.0/go.mod h1:8xVGeu1/2jr2wm5V9SPuMht2H5AEmf5aFMGSQixtjTY=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
 gopkg.in/gorethink/gorethink.v3 v3.0.5 h1:e2Uc/Xe+hpcVQFsj6MuHlYog3r0JYpnTzwDj/y2O4MU=
 gopkg.in/gorethink/gorethink.v3 v3.0.5/go.mod h1:+3yIIHJUGMBK+wyPH+iN5TP+88ikFDfZdqTlK3Y9q8I=
+gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
 gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/ini.v1 v1.42.0 h1:7N3gPTt50s8GuLortA00n8AqRTk75qOP98+mTPpgzRk=
@@ -815,15 +1047,21 @@ gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
+gotest.tools/v3 v3.0.2 h1:kG1BFyqVHuQoVQiR1bWGnfz/fmHvvuiSPIV7rvl360E=
+gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
 helm.sh/helm/v3 v3.1.1 h1:aykwPMVyQyncZ8iLNVMXgJ1l3c6W0+LSOPmqp8JdCjs=
 helm.sh/helm/v3 v3.1.1/go.mod h1:WYsFJuMASa/4XUqLyv54s0U/f3mlAaRErGmyy4z921g=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 k8s.io/api v0.17.2 h1:NF1UFXcKN7/OOv1uxdRz3qfra8AHsPav5M93hlV9+Dc=
 k8s.io/api v0.17.2/go.mod h1:BS9fjjLc4CMuqfSO8vgbHPKMt5+SF0ET6u/RVDihTo4=
 k8s.io/api v0.17.3 h1:XAm3PZp3wnEdzekNkcmj/9Y1zdmQYJ1I4GKSBBZ8aG0=
@@ -855,11 +1093,24 @@ k8s.io/kubernetes v1.13.0/go.mod h1:ocZa8+6APFNC2tX1DZASIbocyYT5jHzqFVsY5aoB7Jk=
 k8s.io/metrics v0.17.2/go.mod h1:3TkNHET4ROd+NfzNxkjoVfQ0Ob4iZnaHmSEA4vYpwLw=
 k8s.io/utils v0.0.0-20191114184206-e782cd3c129f h1:GiPwtSzdP43eI1hpPCbROQCCIgCuiMMNF8YUVLF3vJo=
 k8s.io/utils v0.0.0-20191114184206-e782cd3c129f/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
+modernc.org/b v1.0.0/go.mod h1:uZWcZfRj1BpYzfN9JTerzlNUnnPsV9O2ZA8JsRcubNg=
 modernc.org/cc v1.0.0/go.mod h1:1Sk4//wdnYJiUIxnW8ddKpaOJCF37yAdqYnkxUpaYxw=
+modernc.org/db v1.0.0/go.mod h1:kYD/cO29L/29RM0hXYl4i3+Q5VojL31kTUVpVJDw0s8=
+modernc.org/file v1.0.0/go.mod h1:uqEokAEn1u6e+J45e54dsEA/pw4o7zLrA2GwyntZzjw=
+modernc.org/fileutil v1.0.0/go.mod h1:JHsWpkrk/CnVV1H/eGlFf85BEpfkrp56ro8nojIq9Q8=
 modernc.org/golex v1.0.0/go.mod h1:b/QX9oBD/LhixY6NDh+IdGv17hgB+51fET1i2kPSmvk=
+modernc.org/internal v1.0.0/go.mod h1:VUD/+JAkhCpvkUitlEOnhpVxCgsBI90oTzSCRcqQVSM=
+modernc.org/lldb v1.0.0/go.mod h1:jcRvJGWfCGodDZz8BPwiKMJxGJngQ/5DrRapkQnLob8=
 modernc.org/mathutil v1.0.0/go.mod h1:wU0vUrJsVWBZ4P6e7xtFJEhFSNsfRLJ8H458uRjg03k=
+modernc.org/ql v1.0.0/go.mod h1:xGVyrLIatPcO2C1JvI/Co8c0sr6y91HKFNy4pt9JXEY=
+modernc.org/sortutil v1.1.0/go.mod h1:ZyL98OQHJgH9IEfN71VsamvJgrtRX9Dj2gX+vH86L1k=
 modernc.org/strutil v1.0.0/go.mod h1:lstksw84oURvj9y3tn8lGvRxyRC1S2+g5uuIzNfIOBs=
+modernc.org/strutil v1.1.0/go.mod h1:lstksw84oURvj9y3tn8lGvRxyRC1S2+g5uuIzNfIOBs=
 modernc.org/xc v1.0.0/go.mod h1:mRNCo0bvLjGhHO9WsyuKVU4q0ceiDDDoEeWDJHrNx8I=
+modernc.org/zappy v1.0.0/go.mod h1:hHe+oGahLVII/aTTyWK/b53VDHMAGCBYYeZ9sn83HC4=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/kustomize v2.0.3+incompatible/go.mod h1:MkjgH3RdOWrievjo6c9T245dYlB5QeXV4WCbnt/PEpU=
 sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
 sigs.k8s.io/structured-merge-diff v1.0.1-0.20191108220359-b1b620dd3f06/go.mod h1:/ULNhyfzRopfcjskuui0cTITekDduZ7ycKN3oUT9R18=

src/migration/migration.go

@@ -22,7 +22,7 @@ import (
 	"github.com/goharbor/harbor/src/common/models"
 	"github.com/goharbor/harbor/src/lib/log"
 	"github.com/goharbor/harbor/src/lib/orm"
-	"github.com/golang-migrate/migrate"
+	"github.com/golang-migrate/migrate/v4"
 )
 
 // Migrate the database schema and data

src/vendor/github.com/go-sql-driver/mysql/.travis.yml

@@ -1,10 +1,10 @@
 sudo: false
 language: go
 go:
-  - 1.7.x
-  - 1.8.x
-  - 1.9.x
   - 1.10.x
+  - 1.11.x
+  - 1.12.x
+  - 1.13.x
   - master
 
 before_install:
@@ -99,6 +99,28 @@ matrix:
         - export MYSQL_TEST_ADDR=127.0.0.1:3307
         - export MYSQL_TEST_CONCURRENT=1
 
+    - os: osx
+      osx_image: xcode10.1
+      addons:
+        homebrew:
+          packages:
+            - mysql
+          update: true
+      go: 1.12.x
+      before_install:
+        - go get golang.org/x/tools/cmd/cover
+        - go get github.com/mattn/goveralls
+      before_script:
+        - echo -e "[server]\ninnodb_log_file_size=256MB\ninnodb_buffer_pool_size=512MB\nmax_allowed_packet=16MB\nlocal_infile=1" >> /usr/local/etc/my.cnf
+        - mysql.server start
+        - mysql -uroot -e 'CREATE USER gotest IDENTIFIED BY "secret"'
+        - mysql -uroot -e 'GRANT ALL ON *.* TO gotest'
+        - mysql -uroot -e 'create database gotest;'
+        - export MYSQL_TEST_USER=gotest
+        - export MYSQL_TEST_PASS=secret
+        - export MYSQL_TEST_ADDR=127.0.0.1:3306
+        - export MYSQL_TEST_CONCURRENT=1
+
 script:
   - go test -v -covermode=count -coverprofile=coverage.out
   - go vet ./...

src/vendor/github.com/go-sql-driver/mysql/AUTHORS

@@ -27,6 +27,7 @@ Daniël van Eeden <git at myname.nl>
 Dave Protasowski <dprotaso at gmail.com>
 DisposaBoy <disposaboy at dby.me>
 Egor Smolyakov <egorsmkv at gmail.com>
+Erwan Martin <hello at erwan.io>
 Evan Shaw <evan at vendhq.com>
 Frederick Mayle <frederickmayle at gmail.com>
 Gustavo Kristic <gkristic at gmail.com>
@@ -34,12 +35,16 @@ Hajime Nakagami <nakagami at gmail.com>
 Hanno Braun <mail at hannobraun.com>
 Henri Yandell <flamefew at gmail.com>
 Hirotaka Yamamoto <ymmt2005 at gmail.com>
+Huyiguang <hyg at webterren.com>
 ICHINOSE Shogo <shogo82148 at gmail.com>
+Ilia Cimpoes <ichimpoesh at gmail.com>
 INADA Naoki <songofacandy at gmail.com>
 Jacek Szwec <szwec.jacek at gmail.com>
 James Harr <james.harr at gmail.com>
 Jeff Hodges <jeff at somethingsimilar.com>
 Jeffrey Charles <jeffreycharles at gmail.com>
+Jerome Meyer <jxmeyer at gmail.com>
+Jiajia Zhong <zhong2plus at gmail.com>
 Jian Zhen <zhenjl at gmail.com>
 Joshua Prunier <joshua.prunier at gmail.com>
 Julien Lefevre <julien.lefevr at gmail.com>
@@ -58,6 +63,7 @@ Lucas Liu <extrafliu at gmail.com>
 Luke Scott <luke at webconnex.com>
 Maciej Zimnoch <maciej.zimnoch at codilime.com>
 Michael Woolnough <michael.woolnough at gmail.com>
+Nathanial Murphy <nathanial.murphy at gmail.com>
 Nicola Peduzzi <thenikso at gmail.com>
 Olivier Mengué <dolmen at cpan.org>
 oscarzhao <oscarzhaosl at gmail.com>
@@ -69,9 +75,15 @@ Richard Wilkes <wilkes at me.com>
 Robert Russell <robert at rrbrussell.com>
 Runrioter Wung <runrioter at gmail.com>
 Shuode Li <elemount at qq.com>
+Simon J Mudd <sjmudd at pobox.com>
 Soroush Pour <me at soroushjp.com>
 Stan Putrya <root.vagner at gmail.com>
 Stanley Gunawan <gunawan.stanley at gmail.com>
+Steven Hartland <steven.hartland at multiplay.co.uk>
+Thomas Wodarek <wodarekwebpage at gmail.com>
+Tim Ruffles <timruffles at gmail.com>
+Tom Jenkinson <tom at tjenkinson.me>
+Vladimir Kovpak <cn007b at gmail.com>
 Xiangyu Hu <xiangyu.hu at outlook.com>
 Xiaobing Jiang <s7v7nislands at gmail.com>
 Xiuming Chen <cc at cxm.cc>
@@ -81,9 +93,13 @@ Zhenye Xie <xiezhenye at gmail.com>
 
 Barracuda Networks, Inc.
 Counting Ltd.
+DigitalOcean Inc.
+Facebook Inc.
+GitHub Inc.
 Google Inc.
 InfoSum Ltd.
 Keybase Inc.
+Multiplay Ltd.
 Percona LLC
 Pivotal Inc.
 Stripe Inc.

src/vendor/github.com/go-sql-driver/mysql/CHANGELOG.md

@@ -1,3 +1,31 @@
+## Version 1.5 (2020-01-07)
+
+Changes:
+
+  - Dropped support Go 1.9 and lower (#823, #829, #886, #1016, #1017)
+  - Improve buffer handling (#890)
+  - Document potentially insecure TLS configs (#901)
+  - Use a double-buffering scheme to prevent data races (#943)
+  - Pass uint64 values without converting them to string (#838, #955)
+  - Update collations and make utf8mb4 default (#877, #1054)
+  - Make NullTime compatible with sql.NullTime in Go 1.13+ (#995)
+  - Removed CloudSQL support (#993, #1007)
+  - Add Go Module support (#1003)
+
+New Features:
+
+  - Implement support of optional TLS (#900)
+  - Check connection liveness (#934, #964, #997, #1048, #1051, #1052)
+  - Implement Connector Interface (#941, #958, #1020, #1035)
+
+Bugfixes:
+
+  - Mark connections as bad on error during ping (#875)
+  - Mark connections as bad on error during dial (#867)
+  - Fix connection leak caused by rapid context cancellation (#1024)
+  - Mark connections as bad on error during Conn.Prepare (#1030)
+
+
 ## Version 1.4.1 (2018-11-14)
 
 Bugfixes:

src/vendor/github.com/go-sql-driver/mysql/CONTRIBUTING.md

@@ -1,23 +0,0 @@
-# Contributing Guidelines
-
-## Reporting Issues
-
-Before creating a new Issue, please check first if a similar Issue [already exists](https://github.com/go-sql-driver/mysql/issues?state=open) or was [recently closed](https://github.com/go-sql-driver/mysql/issues?direction=desc&page=1&sort=updated&state=closed).
-
-## Contributing Code
-
-By contributing to this project, you share your code under the Mozilla Public License 2, as specified in the LICENSE file.
-Don't forget to add yourself to the AUTHORS file.
-
-### Code Review
-
-Everyone is invited to review and comment on pull requests.
-If it looks fine to you, comment with "LGTM" (Looks good to me).
-
-If changes are required, notice the reviewers with "PTAL" (Please take another look) after committing the fixes.
-
-Before merging the Pull Request, at least one [team member](https://github.com/go-sql-driver?tab=members) must have commented with "LGTM".
-
-## Development Ideas
-
-If you are looking for ideas for code contributions, please check our [Development Ideas](https://github.com/go-sql-driver/mysql/wiki/Development-Ideas) Wiki page.

src/vendor/github.com/go-sql-driver/mysql/README.md

@@ -40,7 +40,7 @@ A MySQL-Driver for Go's [database/sql](https://golang.org/pkg/database/sql/) pac
   * Optional placeholder interpolation
 
 ## Requirements
-  * Go 1.7 or higher. We aim to support the 3 latest versions of Go.
+  * Go 1.10 or higher. We aim to support the 3 latest versions of Go.
   * MySQL (4.1+), MariaDB, Percona Server, Google CloudSQL or Sphinx (2.2.3+)
 
 ---------------------------------------
@@ -166,18 +166,34 @@ Sets the charset used for client-server interaction (`"SET NAMES <value>"`). If
 Usage of the `charset` parameter is discouraged because it issues additional queries to the server.
 Unless you need the fallback behavior, please use `collation` instead.
 
+##### `checkConnLiveness`
+
+```
+Type:           bool
+Valid Values:   true, false
+Default:        true
+```
+
+On supported platforms connections retrieved from the connection pool are checked for liveness before using them. If the check fails, the respective connection is marked as bad and the query retried with another connection.
+`checkConnLiveness=false` disables this liveness check of connections.
+
 ##### `collation`
 
 ```
 Type:           string
 Valid Values:   <name>
-Default:        utf8_general_ci
+Default:        utf8mb4_general_ci
 ```
 
 Sets the collation used for client-server interaction on connection. In contrast to `charset`, `collation` does not issue additional queries. If the specified collation is unavailable on the target server, the connection will fail.
 
 A list of valid charsets for a server is retrievable with `SHOW COLLATION`.
 
+The default collation (`utf8mb4_general_ci`) is supported from MySQL 5.5.  You should use an older collation (e.g. `utf8_general_ci`) for older MySQL.
+
+Collations for charset "ucs2", "utf16", "utf16le", and "utf32" can not be used ([ref](https://dev.mysql.com/doc/refman/5.7/en/charset-connection.html#charset-connection-impermissible-client-charset)).
+
+
 ##### `clientFoundRows`
 
 ```
@@ -328,11 +344,11 @@ Timeout for establishing connections, aka dial timeout. The value must be a deci
 
 ```
 Type:           bool / string
-Valid Values:   true, false, skip-verify, <name>
+Valid Values:   true, false, skip-verify, preferred, <name>
 Default:        false
 ```
 
-`tls=true` enables TLS / SSL encrypted connection to the server. Use `skip-verify` if you want to use a self-signed or invalid certificate (server side). Use a custom value registered with [`mysql.RegisterTLSConfig`](https://godoc.org/github.com/go-sql-driver/mysql#RegisterTLSConfig).
+`tls=true` enables TLS / SSL encrypted connection to the server. Use `skip-verify` if you want to use a self-signed or invalid certificate (server side) or use `preferred` to use TLS only when advertised by the server. This is similar to `skip-verify`, but additionally allows a fallback to a connection which is not encrypted. Neither `skip-verify` nor `preferred` add any reliable security. You can use a custom TLS config after registering it with [`mysql.RegisterTLSConfig`](https://godoc.org/github.com/go-sql-driver/mysql#RegisterTLSConfig).
 
 
 ##### `writeTimeout`
@@ -391,14 +407,9 @@ TCP on a remote host, e.g. Amazon RDS:
 id:password@tcp(your-amazonaws-uri.com:3306)/dbname
 ```
 
-Google Cloud SQL on App Engine (First Generation MySQL Server):
+Google Cloud SQL on App Engine:
 ```
-user@cloudsql(project-id:instance-name)/dbname
+user:password@unix(/cloudsql/project-id:region-name:instance-name)/dbname
-```
-
-Google Cloud SQL on App Engine (Second Generation MySQL Server):
-```
-user@cloudsql(project-id:regionname:instance-name)/dbname
 ```
 
 TCP using default port (3306) on localhost:
@@ -444,7 +455,7 @@ See the [godoc of Go-MySQL-Driver](https://godoc.org/github.com/go-sql-driver/my
 ### `time.Time` support
 The default internal output type of MySQL `DATE` and `DATETIME` values is `[]byte` which allows you to scan the value into a `[]byte`, `string` or `sql.RawBytes` variable in your program.
 
-However, many want to scan MySQL `DATE` and `DATETIME` values into `time.Time` variables, which is the logical opposite in Go to `DATE` and `DATETIME` in MySQL. You can do that by changing the internal output type from `[]byte` to `time.Time` with the DSN parameter `parseTime=true`. You can set the default [`time.Time` location](https://golang.org/pkg/time/#Location) with the `loc` DSN parameter.
+However, many want to scan MySQL `DATE` and `DATETIME` values into `time.Time` variables, which is the logical equivalent in Go to `DATE` and `DATETIME` in MySQL. You can do that by changing the internal output type from `[]byte` to `time.Time` with the DSN parameter `parseTime=true`. You can set the default [`time.Time` location](https://golang.org/pkg/time/#Location) with the `loc` DSN parameter.
 
 **Caution:** As of Go 1.1, this makes `time.Time` the only variable type you can scan `DATE` and `DATETIME` values into. This breaks for example [`sql.RawBytes` support](https://github.com/go-sql-driver/mysql/wiki/Examples#rawbytes).
 
@@ -452,13 +463,13 @@ Alternatively you can use the [`NullTime`](https://godoc.org/github.com/go-sql-d
 
 
 ### Unicode support
-Since version 1.1 Go-MySQL-Driver automatically uses the collation `utf8_general_ci` by default.
+Since version 1.5 Go-MySQL-Driver automatically uses the collation ` utf8mb4_general_ci` by default.
 
 Other collations / charsets can be set using the [`collation`](#collation) DSN parameter.
 
 Version 1.0 of the driver recommended adding `&charset=utf8` (alias for `SET NAMES utf8`) to the DSN to enable proper UTF-8 support. This is not necessary anymore. The [`collation`](#collation) parameter should be preferred to set another collation / charset than the default.
 
-See http://dev.mysql.com/doc/refman/5.7/en/charset-unicode.html for more details on MySQL's Unicode support.
+See http://dev.mysql.com/doc/refman/8.0/en/charset-unicode.html for more details on MySQL's Unicode support.
 
 ## Testing / Development
 To run the driver tests you may need to adjust the configuration. See the [Testing Wiki-Page](https://github.com/go-sql-driver/mysql/wiki/Testing "Testing") for details.

src/vendor/github.com/go-sql-driver/mysql/auth.go

@@ -360,13 +360,15 @@ func (mc *mysqlConn) handleAuthResult(oldAuthData []byte, plugin string) error {
 					pubKey := mc.cfg.pubKey
 					if pubKey == nil {
 						// request public key from server
-						data := mc.buf.takeSmallBuffer(4 + 1)
+						data, err := mc.buf.takeSmallBuffer(4 + 1)
+						if err != nil {
+							return err
+						}
 						data[4] = cachingSha2PasswordRequestPublicKey
 						mc.writePacket(data)
 
 						// parse public key
-						data, err := mc.readPacket()
+						if data, err = mc.readPacket(); err != nil {
-						if err != nil {
 							return err
 						}
 

src/vendor/github.com/go-sql-driver/mysql/buffer.go

@@ -15,47 +15,69 @@ import (
 )
 
 const defaultBufSize = 4096
+const maxCachedBufSize = 256 * 1024
 
 // A buffer which is used for both reading and writing.
 // This is possible since communication on each connection is synchronous.
 // In other words, we can't write and read simultaneously on the same connection.
 // The buffer is similar to bufio.Reader / Writer but zero-copy-ish
 // Also highly optimized for this particular use case.
+// This buffer is backed by two byte slices in a double-buffering scheme
 type buffer struct {
-	buf     []byte
+	buf     []byte // buf is a byte buffer who's length and capacity are equal.
 	nc      net.Conn
 	idx     int
 	length  int
 	timeout time.Duration
+	dbuf    [2][]byte // dbuf is an array with the two byte slices that back this buffer
+	flipcnt uint      // flipccnt is the current buffer counter for double-buffering
 }
 
+// newBuffer allocates and returns a new buffer.
 func newBuffer(nc net.Conn) buffer {
-	var b [defaultBufSize]byte
+	fg := make([]byte, defaultBufSize)
 	return buffer{
-		buf: b[:],
+		buf:  fg,
 		nc:   nc,
+		dbuf: [2][]byte{fg, nil},
 	}
 }
 
+// flip replaces the active buffer with the background buffer
+// this is a delayed flip that simply increases the buffer counter;
+// the actual flip will be performed the next time we call `buffer.fill`
+func (b *buffer) flip() {
+	b.flipcnt += 1
+}
+
 // fill reads into the buffer until at least _need_ bytes are in it
 func (b *buffer) fill(need int) error {
 	n := b.length
+	// fill data into its double-buffering target: if we've called
+	// flip on this buffer, we'll be copying to the background buffer,
+	// and then filling it with network data; otherwise we'll just move
+	// the contents of the current buffer to the front before filling it
+	dest := b.dbuf[b.flipcnt&1]
 
-	// move existing data to the beginning
+	// grow buffer if necessary to fit the whole packet.
-	if n > 0 && b.idx > 0 {
+	if need > len(dest) {
-		copy(b.buf[0:n], b.buf[b.idx:])
-	}
-
-	// grow buffer if necessary
-	// TODO: let the buffer shrink again at some point
-	//       Maybe keep the org buf slice and swap back?
-	if need > len(b.buf) {
 		// Round up to the next multiple of the default size
-		newBuf := make([]byte, ((need/defaultBufSize)+1)*defaultBufSize)
+		dest = make([]byte, ((need/defaultBufSize)+1)*defaultBufSize)
-		copy(newBuf, b.buf)
+
-		b.buf = newBuf
+		// if the allocated buffer is not too large, move it to backing storage
+		// to prevent extra allocations on applications that perform large reads
+		if len(dest) <= maxCachedBufSize {
+			b.dbuf[b.flipcnt&1] = dest
+		}
 	}
 
+	// if we're filling the fg buffer, move the existing data to the start of it.
+	// if we're filling the bg buffer, copy over the data
+	if n > 0 {
+		copy(dest[:n], b.buf[b.idx:])
+	}
+
+	b.buf = dest
 	b.idx = 0
 
 	for {
@@ -105,43 +127,56 @@ func (b *buffer) readNext(need int) ([]byte, error) {
 	return b.buf[offset:b.idx], nil
 }
 
-// returns a buffer with the requested size.
+// takeBuffer returns a buffer with the requested size.
 // If possible, a slice from the existing buffer is returned.
 // Otherwise a bigger buffer is made.
 // Only one buffer (total) can be used at a time.
-func (b *buffer) takeBuffer(length int) []byte {
+func (b *buffer) takeBuffer(length int) ([]byte, error) {
 	if b.length > 0 {
-		return nil
+		return nil, ErrBusyBuffer
 	}
 
 	// test (cheap) general case first
-	if length <= defaultBufSize || length <= cap(b.buf) {
+	if length <= cap(b.buf) {
-		return b.buf[:length]
+		return b.buf[:length], nil
 	}
 
 	if length < maxPacketSize {
 		b.buf = make([]byte, length)
-		return b.buf
+		return b.buf, nil
 	}
-	return make([]byte, length)
+
+	// buffer is larger than we want to store.
+	return make([]byte, length), nil
 }
 
-// shortcut which can be used if the requested buffer is guaranteed to be
+// takeSmallBuffer is shortcut which can be used if length is
-// smaller than defaultBufSize
+// known to be smaller than defaultBufSize.
 // Only one buffer (total) can be used at a time.
-func (b *buffer) takeSmallBuffer(length int) []byte {
+func (b *buffer) takeSmallBuffer(length int) ([]byte, error) {
 	if b.length > 0 {
-		return nil
+		return nil, ErrBusyBuffer
 	}
-	return b.buf[:length]
+	return b.buf[:length], nil
 }
 
 // takeCompleteBuffer returns the complete existing buffer.
 // This can be used if the necessary buffer size is unknown.
+// cap and len of the returned buffer will be equal.
 // Only one buffer (total) can be used at a time.
-func (b *buffer) takeCompleteBuffer() []byte {
+func (b *buffer) takeCompleteBuffer() ([]byte, error) {
 	if b.length > 0 {
-		return nil
+		return nil, ErrBusyBuffer
 	}
-	return b.buf
+	return b.buf, nil
+}
+
+// store stores buf, an updated buffer, if its suitable to do so.
+func (b *buffer) store(buf []byte) error {
+	if b.length > 0 {
+		return ErrBusyBuffer
+	} else if cap(buf) <= maxPacketSize && cap(buf) > cap(b.buf) {
+		b.buf = buf[:cap(buf)]
+	}
+	return nil
 }

src/vendor/github.com/go-sql-driver/mysql/collations.go

@@ -8,12 +8,18 @@
 
 package mysql
 
-const defaultCollation = "utf8_general_ci"
+const defaultCollation = "utf8mb4_general_ci"
 const binaryCollation = "binary"
 
 // A list of available collations mapped to the internal ID.
 // To update this map use the following MySQL query:
-//     SELECT COLLATION_NAME, ID FROM information_schema.COLLATIONS
+//     SELECT COLLATION_NAME, ID FROM information_schema.COLLATIONS WHERE ID<256 ORDER BY ID
+//
+// Handshake packet have only 1 byte for collation_id.  So we can't use collations with ID > 255.
+//
+// ucs2, utf16, and utf32 can't be used for connection charset.
+// https://dev.mysql.com/doc/refman/5.7/en/charset-connection.html#charset-connection-impermissible-client-charset
+// They are commented out to reduce this map.
 var collations = map[string]byte{
 	"big5_chinese_ci":      1,
 	"latin2_czech_cs":      2,
@@ -48,7 +54,7 @@ var collations = map[string]byte{
 	"armscii8_general_ci":  32,
 	"utf8_general_ci":      33,
 	"cp1250_czech_cs":      34,
-	"ucs2_general_ci":          35,
+	//"ucs2_general_ci":          35,
 	"cp866_general_ci":    36,
 	"keybcs2_general_ci":  37,
 	"macce_general_ci":    38,
@@ -67,15 +73,15 @@ var collations = map[string]byte{
 	"cp1251_general_ci":   51,
 	"cp1251_general_cs":   52,
 	"macroman_bin":        53,
-	"utf16_general_ci":         54,
+	//"utf16_general_ci":         54,
-	"utf16_bin":                55,
+	//"utf16_bin":                55,
-	"utf16le_general_ci":       56,
+	//"utf16le_general_ci":       56,
 	"cp1256_general_ci": 57,
 	"cp1257_bin":        58,
 	"cp1257_general_ci": 59,
-	"utf32_general_ci":         60,
+	//"utf32_general_ci":         60,
-	"utf32_bin":                61,
+	//"utf32_bin":                61,
-	"utf16le_bin":              62,
+	//"utf16le_bin":              62,
 	"binary":          63,
 	"armscii8_bin":    64,
 	"ascii_bin":       65,
@@ -89,6 +95,7 @@ var collations = map[string]byte{
 	"keybcs2_bin":     73,
 	"koi8r_bin":       74,
 	"koi8u_bin":       75,
+	"utf8_tolower_ci": 76,
 	"latin2_bin":      77,
 	"latin5_bin":      78,
 	"latin7_bin":      79,
@@ -102,7 +109,7 @@ var collations = map[string]byte{
 	"gbk_bin":         87,
 	"sjis_bin":        88,
 	"tis620_bin":      89,
-	"ucs2_bin":                 90,
+	//"ucs2_bin":                 90,
 	"ujis_bin":            91,
 	"geostd8_general_ci":  92,
 	"geostd8_bin":         93,
@@ -112,79 +119,79 @@ var collations = map[string]byte{
 	"eucjpms_japanese_ci": 97,
 	"eucjpms_bin":         98,
 	"cp1250_polish_ci":    99,
-	"utf16_unicode_ci":         101,
+	//"utf16_unicode_ci":         101,
-	"utf16_icelandic_ci":       102,
+	//"utf16_icelandic_ci":       102,
-	"utf16_latvian_ci":         103,
+	//"utf16_latvian_ci":         103,
-	"utf16_romanian_ci":        104,
+	//"utf16_romanian_ci":        104,
-	"utf16_slovenian_ci":       105,
+	//"utf16_slovenian_ci":       105,
-	"utf16_polish_ci":          106,
+	//"utf16_polish_ci":          106,
-	"utf16_estonian_ci":        107,
+	//"utf16_estonian_ci":        107,
-	"utf16_spanish_ci":         108,
+	//"utf16_spanish_ci":         108,
-	"utf16_swedish_ci":         109,
+	//"utf16_swedish_ci":         109,
-	"utf16_turkish_ci":         110,
+	//"utf16_turkish_ci":         110,
-	"utf16_czech_ci":           111,
+	//"utf16_czech_ci":           111,
-	"utf16_danish_ci":          112,
+	//"utf16_danish_ci":          112,
-	"utf16_lithuanian_ci":      113,
+	//"utf16_lithuanian_ci":      113,
-	"utf16_slovak_ci":          114,
+	//"utf16_slovak_ci":          114,
-	"utf16_spanish2_ci":        115,
+	//"utf16_spanish2_ci":        115,
-	"utf16_roman_ci":           116,
+	//"utf16_roman_ci":           116,
-	"utf16_persian_ci":         117,
+	//"utf16_persian_ci":         117,
-	"utf16_esperanto_ci":       118,
+	//"utf16_esperanto_ci":       118,
-	"utf16_hungarian_ci":       119,
+	//"utf16_hungarian_ci":       119,
-	"utf16_sinhala_ci":         120,
+	//"utf16_sinhala_ci":         120,
-	"utf16_german2_ci":         121,
+	//"utf16_german2_ci":         121,
-	"utf16_croatian_ci":        122,
+	//"utf16_croatian_ci":        122,
-	"utf16_unicode_520_ci":     123,
+	//"utf16_unicode_520_ci":     123,
-	"utf16_vietnamese_ci":      124,
+	//"utf16_vietnamese_ci":      124,
-	"ucs2_unicode_ci":          128,
+	//"ucs2_unicode_ci":          128,
-	"ucs2_icelandic_ci":        129,
+	//"ucs2_icelandic_ci":        129,
-	"ucs2_latvian_ci":          130,
+	//"ucs2_latvian_ci":          130,
-	"ucs2_romanian_ci":         131,
+	//"ucs2_romanian_ci":         131,
-	"ucs2_slovenian_ci":        132,
+	//"ucs2_slovenian_ci":        132,
-	"ucs2_polish_ci":           133,
+	//"ucs2_polish_ci":           133,
-	"ucs2_estonian_ci":         134,
+	//"ucs2_estonian_ci":         134,
-	"ucs2_spanish_ci":          135,
+	//"ucs2_spanish_ci":          135,
-	"ucs2_swedish_ci":          136,
+	//"ucs2_swedish_ci":          136,
-	"ucs2_turkish_ci":          137,
+	//"ucs2_turkish_ci":          137,
-	"ucs2_czech_ci":            138,
+	//"ucs2_czech_ci":            138,
-	"ucs2_danish_ci":           139,
+	//"ucs2_danish_ci":           139,
-	"ucs2_lithuanian_ci":       140,
+	//"ucs2_lithuanian_ci":       140,
-	"ucs2_slovak_ci":           141,
+	//"ucs2_slovak_ci":           141,
-	"ucs2_spanish2_ci":         142,
+	//"ucs2_spanish2_ci":         142,
-	"ucs2_roman_ci":            143,
+	//"ucs2_roman_ci":            143,
-	"ucs2_persian_ci":          144,
+	//"ucs2_persian_ci":          144,
-	"ucs2_esperanto_ci":        145,
+	//"ucs2_esperanto_ci":        145,
-	"ucs2_hungarian_ci":        146,
+	//"ucs2_hungarian_ci":        146,
-	"ucs2_sinhala_ci":          147,
+	//"ucs2_sinhala_ci":          147,
-	"ucs2_german2_ci":          148,
+	//"ucs2_german2_ci":          148,
-	"ucs2_croatian_ci":         149,
+	//"ucs2_croatian_ci":         149,
-	"ucs2_unicode_520_ci":      150,
+	//"ucs2_unicode_520_ci":      150,
-	"ucs2_vietnamese_ci":       151,
+	//"ucs2_vietnamese_ci":       151,
-	"ucs2_general_mysql500_ci": 159,
+	//"ucs2_general_mysql500_ci": 159,
-	"utf32_unicode_ci":         160,
+	//"utf32_unicode_ci":         160,
-	"utf32_icelandic_ci":       161,
+	//"utf32_icelandic_ci":       161,
-	"utf32_latvian_ci":         162,
+	//"utf32_latvian_ci":         162,
-	"utf32_romanian_ci":        163,
+	//"utf32_romanian_ci":        163,
-	"utf32_slovenian_ci":       164,
+	//"utf32_slovenian_ci":       164,
-	"utf32_polish_ci":          165,
+	//"utf32_polish_ci":          165,
-	"utf32_estonian_ci":        166,
+	//"utf32_estonian_ci":        166,
-	"utf32_spanish_ci":         167,
+	//"utf32_spanish_ci":         167,
-	"utf32_swedish_ci":         168,
+	//"utf32_swedish_ci":         168,
-	"utf32_turkish_ci":         169,
+	//"utf32_turkish_ci":         169,
-	"utf32_czech_ci":           170,
+	//"utf32_czech_ci":           170,
-	"utf32_danish_ci":          171,
+	//"utf32_danish_ci":          171,
-	"utf32_lithuanian_ci":      172,
+	//"utf32_lithuanian_ci":      172,
-	"utf32_slovak_ci":          173,
+	//"utf32_slovak_ci":          173,
-	"utf32_spanish2_ci":        174,
+	//"utf32_spanish2_ci":        174,
-	"utf32_roman_ci":           175,
+	//"utf32_roman_ci":           175,
-	"utf32_persian_ci":         176,
+	//"utf32_persian_ci":         176,
-	"utf32_esperanto_ci":       177,
+	//"utf32_esperanto_ci":       177,
-	"utf32_hungarian_ci":       178,
+	//"utf32_hungarian_ci":       178,
-	"utf32_sinhala_ci":         179,
+	//"utf32_sinhala_ci":         179,
-	"utf32_german2_ci":         180,
+	//"utf32_german2_ci":         180,
-	"utf32_croatian_ci":        181,
+	//"utf32_croatian_ci":        181,
-	"utf32_unicode_520_ci":     182,
+	//"utf32_unicode_520_ci":     182,
-	"utf32_vietnamese_ci":      183,
+	//"utf32_vietnamese_ci":      183,
 	"utf8_unicode_ci":          192,
 	"utf8_icelandic_ci":        193,
 	"utf8_latvian_ci":          194,
@@ -234,6 +241,10 @@ var collations = map[string]byte{
 	"utf8mb4_croatian_ci":      245,
 	"utf8mb4_unicode_520_ci":   246,
 	"utf8mb4_vietnamese_ci":    247,
+	"gb18030_chinese_ci":       248,
+	"gb18030_bin":              249,
+	"gb18030_unicode_520_ci":   250,
+	"utf8mb4_0900_ai_ci":       255,
 }
 
 // A blacklist of collations which is unsafe to interpolate parameters.
@@ -248,4 +259,7 @@ var unsafeCollations = map[string]bool{
 	"sjis_bin":               true,
 	"cp932_japanese_ci":      true,
 	"cp932_bin":              true,
+	"gb18030_chinese_ci":     true,
+	"gb18030_bin":            true,
+	"gb18030_unicode_520_ci": true,
 }

src/vendor/github.com/go-sql-driver/mysql/conncheck.go

@@ -0,0 +1,54 @@
+// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
+//
+// Copyright 2019 The Go-MySQL-Driver Authors. All rights reserved.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+// +build linux darwin dragonfly freebsd netbsd openbsd solaris illumos
+
+package mysql
+
+import (
+	"errors"
+	"io"
+	"net"
+	"syscall"
+)
+
+var errUnexpectedRead = errors.New("unexpected read from socket")
+
+func connCheck(conn net.Conn) error {
+	var sysErr error
+
+	sysConn, ok := conn.(syscall.Conn)
+	if !ok {
+		return nil
+	}
+	rawConn, err := sysConn.SyscallConn()
+	if err != nil {
+		return err
+	}
+
+	err = rawConn.Read(func(fd uintptr) bool {
+		var buf [1]byte
+		n, err := syscall.Read(int(fd), buf[:])
+		switch {
+		case n == 0 && err == nil:
+			sysErr = io.EOF
+		case n > 0:
+			sysErr = errUnexpectedRead
+		case err == syscall.EAGAIN || err == syscall.EWOULDBLOCK:
+			sysErr = nil
+		default:
+			sysErr = err
+		}
+		return true
+	})
+	if err != nil {
+		return err
+	}
+
+	return sysErr
+}

src/vendor/github.com/go-sql-driver/mysql/conncheck_dummy.go

@@ -1,19 +1,17 @@
 // Go MySQL Driver - A MySQL-Driver for Go's database/sql package
 //
-// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
+// Copyright 2019 The Go-MySQL-Driver Authors. All rights reserved.
 //
 // This Source Code Form is subject to the terms of the Mozilla Public
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at http://mozilla.org/MPL/2.0/.
 
-// +build appengine
+// +build !linux,!darwin,!dragonfly,!freebsd,!netbsd,!openbsd,!solaris,!illumos
 
 package mysql
 
-import (
+import "net"
-	"google.golang.org/appengine/cloudsql"
-)
 
-func init() {
+func connCheck(conn net.Conn) error {
-	RegisterDial("cloudsql", cloudsql.Dial)
+	return nil
 }

src/vendor/github.com/go-sql-driver/mysql/connection.go

@@ -9,6 +9,8 @@
 package mysql
 
 import (
+	"context"
+	"database/sql"
 	"database/sql/driver"
 	"io"
 	"net"
@@ -17,19 +19,10 @@ import (
 	"time"
 )
 
-// a copy of context.Context for Go 1.7 and earlier
-type mysqlContext interface {
-	Done() <-chan struct{}
-	Err() error
-
-	// defined in context.Context, but not used in this driver:
-	// Deadline() (deadline time.Time, ok bool)
-	// Value(key interface{}) interface{}
-}
-
 type mysqlConn struct {
 	buf              buffer
 	netConn          net.Conn
+	rawConn          net.Conn // underlying connection when netConn is TLS connection.
 	affectedRows     uint64
 	insertId         uint64
 	cfg              *Config
@@ -40,10 +33,11 @@ type mysqlConn struct {
 	status           statusFlag
 	sequence         uint8
 	parseTime        bool
+	reset            bool // set when the Go SQL package calls ResetSession
 
 	// for context support (Go 1.8+)
 	watching bool
-	watcher  chan<- mysqlContext
+	watcher  chan<- context.Context
 	closech  chan struct{}
 	finished chan<- struct{}
 	canceled atomicError // set non-nil if conn is canceled
@@ -160,7 +154,9 @@ func (mc *mysqlConn) Prepare(query string) (driver.Stmt, error) {
 	// Send command
 	err := mc.writeCommandPacketStr(comStmtPrepare, query)
 	if err != nil {
-		return nil, mc.markBadConn(err)
+		// STMT_PREPARE is safe to retry.  So we can return ErrBadConn here.
+		errLog.Print(err)
+		return nil, driver.ErrBadConn
 	}
 
 	stmt := &mysqlStmt{
@@ -190,10 +186,10 @@ func (mc *mysqlConn) interpolateParams(query string, args []driver.Value) (strin
 		return "", driver.ErrSkip
 	}
 
-	buf := mc.buf.takeCompleteBuffer()
+	buf, err := mc.buf.takeCompleteBuffer()
-	if buf == nil {
+	if err != nil {
 		// can not take the buffer. Something must be wrong with the connection
-		errLog.Print(ErrBusyBuffer)
+		errLog.Print(err)
 		return "", ErrInvalidConn
 	}
 	buf = buf[:0]
@@ -219,6 +215,9 @@ func (mc *mysqlConn) interpolateParams(query string, args []driver.Value) (strin
 		switch v := arg.(type) {
 		case int64:
 			buf = strconv.AppendInt(buf, v, 10)
+		case uint64:
+			// Handle uint64 explicitly because our custom ConvertValue emits unsigned values
+			buf = strconv.AppendUint(buf, v, 10)
 		case float64:
 			buf = strconv.AppendFloat(buf, v, 'g', -1, 64)
 		case bool:
@@ -459,3 +458,194 @@ func (mc *mysqlConn) finish() {
 	case <-mc.closech:
 	}
 }
+
+// Ping implements driver.Pinger interface
+func (mc *mysqlConn) Ping(ctx context.Context) (err error) {
+	if mc.closed.IsSet() {
+		errLog.Print(ErrInvalidConn)
+		return driver.ErrBadConn
+	}
+
+	if err = mc.watchCancel(ctx); err != nil {
+		return
+	}
+	defer mc.finish()
+
+	if err = mc.writeCommandPacket(comPing); err != nil {
+		return mc.markBadConn(err)
+	}
+
+	return mc.readResultOK()
+}
+
+// BeginTx implements driver.ConnBeginTx interface
+func (mc *mysqlConn) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) {
+	if err := mc.watchCancel(ctx); err != nil {
+		return nil, err
+	}
+	defer mc.finish()
+
+	if sql.IsolationLevel(opts.Isolation) != sql.LevelDefault {
+		level, err := mapIsolationLevel(opts.Isolation)
+		if err != nil {
+			return nil, err
+		}
+		err = mc.exec("SET TRANSACTION ISOLATION LEVEL " + level)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return mc.begin(opts.ReadOnly)
+}
+
+func (mc *mysqlConn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
+	dargs, err := namedValueToValue(args)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := mc.watchCancel(ctx); err != nil {
+		return nil, err
+	}
+
+	rows, err := mc.query(query, dargs)
+	if err != nil {
+		mc.finish()
+		return nil, err
+	}
+	rows.finish = mc.finish
+	return rows, err
+}
+
+func (mc *mysqlConn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
+	dargs, err := namedValueToValue(args)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := mc.watchCancel(ctx); err != nil {
+		return nil, err
+	}
+	defer mc.finish()
+
+	return mc.Exec(query, dargs)
+}
+
+func (mc *mysqlConn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) {
+	if err := mc.watchCancel(ctx); err != nil {
+		return nil, err
+	}
+
+	stmt, err := mc.Prepare(query)
+	mc.finish()
+	if err != nil {
+		return nil, err
+	}
+
+	select {
+	default:
+	case <-ctx.Done():
+		stmt.Close()
+		return nil, ctx.Err()
+	}
+	return stmt, nil
+}
+
+func (stmt *mysqlStmt) QueryContext(ctx context.Context, args []driver.NamedValue) (driver.Rows, error) {
+	dargs, err := namedValueToValue(args)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := stmt.mc.watchCancel(ctx); err != nil {
+		return nil, err
+	}
+
+	rows, err := stmt.query(dargs)
+	if err != nil {
+		stmt.mc.finish()
+		return nil, err
+	}
+	rows.finish = stmt.mc.finish
+	return rows, err
+}
+
+func (stmt *mysqlStmt) ExecContext(ctx context.Context, args []driver.NamedValue) (driver.Result, error) {
+	dargs, err := namedValueToValue(args)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := stmt.mc.watchCancel(ctx); err != nil {
+		return nil, err
+	}
+	defer stmt.mc.finish()
+
+	return stmt.Exec(dargs)
+}
+
+func (mc *mysqlConn) watchCancel(ctx context.Context) error {
+	if mc.watching {
+		// Reach here if canceled,
+		// so the connection is already invalid
+		mc.cleanup()
+		return nil
+	}
+	// When ctx is already cancelled, don't watch it.
+	if err := ctx.Err(); err != nil {
+		return err
+	}
+	// When ctx is not cancellable, don't watch it.
+	if ctx.Done() == nil {
+		return nil
+	}
+	// When watcher is not alive, can't watch it.
+	if mc.watcher == nil {
+		return nil
+	}
+
+	mc.watching = true
+	mc.watcher <- ctx
+	return nil
+}
+
+func (mc *mysqlConn) startWatcher() {
+	watcher := make(chan context.Context, 1)
+	mc.watcher = watcher
+	finished := make(chan struct{})
+	mc.finished = finished
+	go func() {
+		for {
+			var ctx context.Context
+			select {
+			case ctx = <-watcher:
+			case <-mc.closech:
+				return
+			}
+
+			select {
+			case <-ctx.Done():
+				mc.cancel(ctx.Err())
+			case <-finished:
+			case <-mc.closech:
+				return
+			}
+		}
+	}()
+}
+
+func (mc *mysqlConn) CheckNamedValue(nv *driver.NamedValue) (err error) {
+	nv.Value, err = converter{}.ConvertValue(nv.Value)
+	return
+}
+
+// ResetSession implements driver.SessionResetter.
+// (From Go 1.10)
+func (mc *mysqlConn) ResetSession(ctx context.Context) error {
+	if mc.closed.IsSet() {
+		return driver.ErrBadConn
+	}
+	mc.reset = true
+	return nil
+}

src/vendor/github.com/go-sql-driver/mysql/connection_go18.go

@@ -1,207 +0,0 @@
-// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
-//
-// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this file,
-// You can obtain one at http://mozilla.org/MPL/2.0/.
-
-// +build go1.8
-
-package mysql
-
-import (
-	"context"
-	"database/sql"
-	"database/sql/driver"
-)
-
-// Ping implements driver.Pinger interface
-func (mc *mysqlConn) Ping(ctx context.Context) (err error) {
-	if mc.closed.IsSet() {
-		errLog.Print(ErrInvalidConn)
-		return driver.ErrBadConn
-	}
-
-	if err = mc.watchCancel(ctx); err != nil {
-		return
-	}
-	defer mc.finish()
-
-	if err = mc.writeCommandPacket(comPing); err != nil {
-		return
-	}
-
-	return mc.readResultOK()
-}
-
-// BeginTx implements driver.ConnBeginTx interface
-func (mc *mysqlConn) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) {
-	if err := mc.watchCancel(ctx); err != nil {
-		return nil, err
-	}
-	defer mc.finish()
-
-	if sql.IsolationLevel(opts.Isolation) != sql.LevelDefault {
-		level, err := mapIsolationLevel(opts.Isolation)
-		if err != nil {
-			return nil, err
-		}
-		err = mc.exec("SET TRANSACTION ISOLATION LEVEL " + level)
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	return mc.begin(opts.ReadOnly)
-}
-
-func (mc *mysqlConn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
-	dargs, err := namedValueToValue(args)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := mc.watchCancel(ctx); err != nil {
-		return nil, err
-	}
-
-	rows, err := mc.query(query, dargs)
-	if err != nil {
-		mc.finish()
-		return nil, err
-	}
-	rows.finish = mc.finish
-	return rows, err
-}
-
-func (mc *mysqlConn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
-	dargs, err := namedValueToValue(args)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := mc.watchCancel(ctx); err != nil {
-		return nil, err
-	}
-	defer mc.finish()
-
-	return mc.Exec(query, dargs)
-}
-
-func (mc *mysqlConn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) {
-	if err := mc.watchCancel(ctx); err != nil {
-		return nil, err
-	}
-
-	stmt, err := mc.Prepare(query)
-	mc.finish()
-	if err != nil {
-		return nil, err
-	}
-
-	select {
-	default:
-	case <-ctx.Done():
-		stmt.Close()
-		return nil, ctx.Err()
-	}
-	return stmt, nil
-}
-
-func (stmt *mysqlStmt) QueryContext(ctx context.Context, args []driver.NamedValue) (driver.Rows, error) {
-	dargs, err := namedValueToValue(args)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := stmt.mc.watchCancel(ctx); err != nil {
-		return nil, err
-	}
-
-	rows, err := stmt.query(dargs)
-	if err != nil {
-		stmt.mc.finish()
-		return nil, err
-	}
-	rows.finish = stmt.mc.finish
-	return rows, err
-}
-
-func (stmt *mysqlStmt) ExecContext(ctx context.Context, args []driver.NamedValue) (driver.Result, error) {
-	dargs, err := namedValueToValue(args)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := stmt.mc.watchCancel(ctx); err != nil {
-		return nil, err
-	}
-	defer stmt.mc.finish()
-
-	return stmt.Exec(dargs)
-}
-
-func (mc *mysqlConn) watchCancel(ctx context.Context) error {
-	if mc.watching {
-		// Reach here if canceled,
-		// so the connection is already invalid
-		mc.cleanup()
-		return nil
-	}
-	// When ctx is already cancelled, don't watch it.
-	if err := ctx.Err(); err != nil {
-		return err
-	}
-	// When ctx is not cancellable, don't watch it.
-	if ctx.Done() == nil {
-		return nil
-	}
-	// When watcher is not alive, can't watch it.
-	if mc.watcher == nil {
-		return nil
-	}
-
-	mc.watching = true
-	mc.watcher <- ctx
-	return nil
-}
-
-func (mc *mysqlConn) startWatcher() {
-	watcher := make(chan mysqlContext, 1)
-	mc.watcher = watcher
-	finished := make(chan struct{})
-	mc.finished = finished
-	go func() {
-		for {
-			var ctx mysqlContext
-			select {
-			case ctx = <-watcher:
-			case <-mc.closech:
-				return
-			}
-
-			select {
-			case <-ctx.Done():
-				mc.cancel(ctx.Err())
-			case <-finished:
-			case <-mc.closech:
-				return
-			}
-		}
-	}()
-}
-
-func (mc *mysqlConn) CheckNamedValue(nv *driver.NamedValue) (err error) {
-	nv.Value, err = converter{}.ConvertValue(nv.Value)
-	return
-}
-
-// ResetSession implements driver.SessionResetter.
-// (From Go 1.10)
-func (mc *mysqlConn) ResetSession(ctx context.Context) error {
-	if mc.closed.IsSet() {
-		return driver.ErrBadConn
-	}
-	return nil
-}

src/vendor/github.com/go-sql-driver/mysql/connector.go

@@ -0,0 +1,146 @@
+// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
+//
+// Copyright 2018 The Go-MySQL-Driver Authors. All rights reserved.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package mysql
+
+import (
+	"context"
+	"database/sql/driver"
+	"net"
+)
+
+type connector struct {
+	cfg *Config // immutable private copy.
+}
+
+// Connect implements driver.Connector interface.
+// Connect returns a connection to the database.
+func (c *connector) Connect(ctx context.Context) (driver.Conn, error) {
+	var err error
+
+	// New mysqlConn
+	mc := &mysqlConn{
+		maxAllowedPacket: maxPacketSize,
+		maxWriteSize:     maxPacketSize - 1,
+		closech:          make(chan struct{}),
+		cfg:              c.cfg,
+	}
+	mc.parseTime = mc.cfg.ParseTime
+
+	// Connect to Server
+	dialsLock.RLock()
+	dial, ok := dials[mc.cfg.Net]
+	dialsLock.RUnlock()
+	if ok {
+		dctx := ctx
+		if mc.cfg.Timeout > 0 {
+			var cancel context.CancelFunc
+			dctx, cancel = context.WithTimeout(ctx, c.cfg.Timeout)
+			defer cancel()
+		}
+		mc.netConn, err = dial(dctx, mc.cfg.Addr)
+	} else {
+		nd := net.Dialer{Timeout: mc.cfg.Timeout}
+		mc.netConn, err = nd.DialContext(ctx, mc.cfg.Net, mc.cfg.Addr)
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	// Enable TCP Keepalives on TCP connections
+	if tc, ok := mc.netConn.(*net.TCPConn); ok {
+		if err := tc.SetKeepAlive(true); err != nil {
+			// Don't send COM_QUIT before handshake.
+			mc.netConn.Close()
+			mc.netConn = nil
+			return nil, err
+		}
+	}
+
+	// Call startWatcher for context support (From Go 1.8)
+	mc.startWatcher()
+	if err := mc.watchCancel(ctx); err != nil {
+		mc.cleanup()
+		return nil, err
+	}
+	defer mc.finish()
+
+	mc.buf = newBuffer(mc.netConn)
+
+	// Set I/O timeouts
+	mc.buf.timeout = mc.cfg.ReadTimeout
+	mc.writeTimeout = mc.cfg.WriteTimeout
+
+	// Reading Handshake Initialization Packet
+	authData, plugin, err := mc.readHandshakePacket()
+	if err != nil {
+		mc.cleanup()
+		return nil, err
+	}
+
+	if plugin == "" {
+		plugin = defaultAuthPlugin
+	}
+
+	// Send Client Authentication Packet
+	authResp, err := mc.auth(authData, plugin)
+	if err != nil {
+		// try the default auth plugin, if using the requested plugin failed
+		errLog.Print("could not use requested auth plugin '"+plugin+"': ", err.Error())
+		plugin = defaultAuthPlugin
+		authResp, err = mc.auth(authData, plugin)
+		if err != nil {
+			mc.cleanup()
+			return nil, err
+		}
+	}
+	if err = mc.writeHandshakeResponsePacket(authResp, plugin); err != nil {
+		mc.cleanup()
+		return nil, err
+	}
+
+	// Handle response to auth packet, switch methods if possible
+	if err = mc.handleAuthResult(authData, plugin); err != nil {
+		// Authentication failed and MySQL has already closed the connection
+		// (https://dev.mysql.com/doc/internals/en/authentication-fails.html).
+		// Do not send COM_QUIT, just cleanup and return the error.
+		mc.cleanup()
+		return nil, err
+	}
+
+	if mc.cfg.MaxAllowedPacket > 0 {
+		mc.maxAllowedPacket = mc.cfg.MaxAllowedPacket
+	} else {
+		// Get max allowed packet size
+		maxap, err := mc.getSystemVar("max_allowed_packet")
+		if err != nil {
+			mc.Close()
+			return nil, err
+		}
+		mc.maxAllowedPacket = stringToInt(maxap) - 1
+	}
+	if mc.maxAllowedPacket < maxPacketSize {
+		mc.maxWriteSize = mc.maxAllowedPacket
+	}
+
+	// Handle DSN Params
+	err = mc.handleParams()
+	if err != nil {
+		mc.Close()
+		return nil, err
+	}
+
+	return mc, nil
+}
+
+// Driver implements driver.Connector interface.
+// Driver returns &MySQLDriver{}.
+func (c *connector) Driver() driver.Driver {
+	return &MySQLDriver{}
+}

src/vendor/github.com/go-sql-driver/mysql/driver.go

@@ -17,156 +17,91 @@
 package mysql
 
 import (
+	"context"
 	"database/sql"
 	"database/sql/driver"
 	"net"
 	"sync"
 )
 
-// watcher interface is used for context support (From Go 1.8)
-type watcher interface {
-	startWatcher()
-}
-
 // MySQLDriver is exported to make the driver directly accessible.
 // In general the driver is used via the database/sql package.
 type MySQLDriver struct{}
 
 // DialFunc is a function which can be used to establish the network connection.
 // Custom dial functions must be registered with RegisterDial
+//
+// Deprecated: users should register a DialContextFunc instead
 type DialFunc func(addr string) (net.Conn, error)
 
+// DialContextFunc is a function which can be used to establish the network connection.
+// Custom dial functions must be registered with RegisterDialContext
+type DialContextFunc func(ctx context.Context, addr string) (net.Conn, error)
+
 var (
 	dialsLock sync.RWMutex
-	dials     map[string]DialFunc
+	dials     map[string]DialContextFunc
 )
 
-// RegisterDial registers a custom dial function. It can then be used by the
+// RegisterDialContext registers a custom dial function. It can then be used by the
 // network address mynet(addr), where mynet is the registered new network.
-// addr is passed as a parameter to the dial function.
+// The current context for the connection and its address is passed to the dial function.
-func RegisterDial(net string, dial DialFunc) {
+func RegisterDialContext(net string, dial DialContextFunc) {
 	dialsLock.Lock()
 	defer dialsLock.Unlock()
 	if dials == nil {
-		dials = make(map[string]DialFunc)
+		dials = make(map[string]DialContextFunc)
 	}
 	dials[net] = dial
 }
 
+// RegisterDial registers a custom dial function. It can then be used by the
+// network address mynet(addr), where mynet is the registered new network.
+// addr is passed as a parameter to the dial function.
+//
+// Deprecated: users should call RegisterDialContext instead
+func RegisterDial(network string, dial DialFunc) {
+	RegisterDialContext(network, func(_ context.Context, addr string) (net.Conn, error) {
+		return dial(addr)
+	})
+}
+
 // Open new Connection.
 // See https://github.com/go-sql-driver/mysql#dsn-data-source-name for how
-// the DSN string is formated
+// the DSN string is formatted
 func (d MySQLDriver) Open(dsn string) (driver.Conn, error) {
-	var err error
+	cfg, err := ParseDSN(dsn)
-
-	// New mysqlConn
-	mc := &mysqlConn{
-		maxAllowedPacket: maxPacketSize,
-		maxWriteSize:     maxPacketSize - 1,
-		closech:          make(chan struct{}),
-	}
-	mc.cfg, err = ParseDSN(dsn)
 	if err != nil {
 		return nil, err
 	}
-	mc.parseTime = mc.cfg.ParseTime
+	c := &connector{
-
+		cfg: cfg,
-	// Connect to Server
-	dialsLock.RLock()
-	dial, ok := dials[mc.cfg.Net]
-	dialsLock.RUnlock()
-	if ok {
-		mc.netConn, err = dial(mc.cfg.Addr)
-	} else {
-		nd := net.Dialer{Timeout: mc.cfg.Timeout}
-		mc.netConn, err = nd.Dial(mc.cfg.Net, mc.cfg.Addr)
 	}
-	if err != nil {
+	return c.Connect(context.Background())
-		return nil, err
-	}
-
-	// Enable TCP Keepalives on TCP connections
-	if tc, ok := mc.netConn.(*net.TCPConn); ok {
-		if err := tc.SetKeepAlive(true); err != nil {
-			// Don't send COM_QUIT before handshake.
-			mc.netConn.Close()
-			mc.netConn = nil
-			return nil, err
-		}
-	}
-
-	// Call startWatcher for context support (From Go 1.8)
-	if s, ok := interface{}(mc).(watcher); ok {
-		s.startWatcher()
-	}
-
-	mc.buf = newBuffer(mc.netConn)
-
-	// Set I/O timeouts
-	mc.buf.timeout = mc.cfg.ReadTimeout
-	mc.writeTimeout = mc.cfg.WriteTimeout
-
-	// Reading Handshake Initialization Packet
-	authData, plugin, err := mc.readHandshakePacket()
-	if err != nil {
-		mc.cleanup()
-		return nil, err
-	}
-	if plugin == "" {
-		plugin = defaultAuthPlugin
-	}
-
-	// Send Client Authentication Packet
-	authResp, err := mc.auth(authData, plugin)
-	if err != nil {
-		// try the default auth plugin, if using the requested plugin failed
-		errLog.Print("could not use requested auth plugin '"+plugin+"': ", err.Error())
-		plugin = defaultAuthPlugin
-		authResp, err = mc.auth(authData, plugin)
-		if err != nil {
-			mc.cleanup()
-			return nil, err
-		}
-	}
-	if err = mc.writeHandshakeResponsePacket(authResp, plugin); err != nil {
-		mc.cleanup()
-		return nil, err
-	}
-
-	// Handle response to auth packet, switch methods if possible
-	if err = mc.handleAuthResult(authData, plugin); err != nil {
-		// Authentication failed and MySQL has already closed the connection
-		// (https://dev.mysql.com/doc/internals/en/authentication-fails.html).
-		// Do not send COM_QUIT, just cleanup and return the error.
-		mc.cleanup()
-		return nil, err
-	}
-
-	if mc.cfg.MaxAllowedPacket > 0 {
-		mc.maxAllowedPacket = mc.cfg.MaxAllowedPacket
-	} else {
-		// Get max allowed packet size
-		maxap, err := mc.getSystemVar("max_allowed_packet")
-		if err != nil {
-			mc.Close()
-			return nil, err
-		}
-		mc.maxAllowedPacket = stringToInt(maxap) - 1
-	}
-	if mc.maxAllowedPacket < maxPacketSize {
-		mc.maxWriteSize = mc.maxAllowedPacket
-	}
-
-	// Handle DSN Params
-	err = mc.handleParams()
-	if err != nil {
-		mc.Close()
-		return nil, err
-	}
-
-	return mc, nil
 }
 
 func init() {
 	sql.Register("mysql", &MySQLDriver{})
 }
+
+// NewConnector returns new driver.Connector.
+func NewConnector(cfg *Config) (driver.Connector, error) {
+	cfg = cfg.Clone()
+	// normalize the contents of cfg so calls to NewConnector have the same
+	// behavior as MySQLDriver.OpenConnector
+	if err := cfg.normalize(); err != nil {
+		return nil, err
+	}
+	return &connector{cfg: cfg}, nil
+}
+
+// OpenConnector implements driver.DriverContext.
+func (d MySQLDriver) OpenConnector(dsn string) (driver.Connector, error) {
+	cfg, err := ParseDSN(dsn)
+	if err != nil {
+		return nil, err
+	}
+	return &connector{
+		cfg: cfg,
+	}, nil
+}

src/vendor/github.com/go-sql-driver/mysql/dsn.go

@@ -14,6 +14,7 @@ import (
 	"crypto/tls"
 	"errors"
 	"fmt"
+	"math/big"
 	"net"
 	"net/url"
 	"sort"
@@ -54,6 +55,7 @@ type Config struct {
 	AllowCleartextPasswords bool // Allows the cleartext client side plugin
 	AllowNativePasswords    bool // Allows the native password authentication method
 	AllowOldPasswords       bool // Allows the old insecure password method
+	CheckConnLiveness       bool // Check connections for liveness before using them
 	ClientFoundRows         bool // Return number of matching rows instead of rows changed
 	ColumnsWithAlias        bool // Prepend table alias to column names
 	InterpolateParams       bool // Interpolate placeholders into query string
@@ -69,9 +71,30 @@ func NewConfig() *Config {
 		Loc:                  time.UTC,
 		MaxAllowedPacket:     defaultMaxAllowedPacket,
 		AllowNativePasswords: true,
+		CheckConnLiveness:    true,
 	}
 }
 
+func (cfg *Config) Clone() *Config {
+	cp := *cfg
+	if cp.tls != nil {
+		cp.tls = cfg.tls.Clone()
+	}
+	if len(cp.Params) > 0 {
+		cp.Params = make(map[string]string, len(cfg.Params))
+		for k, v := range cfg.Params {
+			cp.Params[k] = v
+		}
+	}
+	if cfg.pubKey != nil {
+		cp.pubKey = &rsa.PublicKey{
+			N: new(big.Int).Set(cfg.pubKey.N),
+			E: cfg.pubKey.E,
+		}
+	}
+	return &cp
+}
+
 func (cfg *Config) normalize() error {
 	if cfg.InterpolateParams && unsafeCollations[cfg.Collation] {
 		return errInvalidDSNUnsafeCollation
@@ -92,23 +115,54 @@ func (cfg *Config) normalize() error {
 		default:
 			return errors.New("default addr for network '" + cfg.Net + "' unknown")
 		}
-
 	} else if cfg.Net == "tcp" {
 		cfg.Addr = ensureHavePort(cfg.Addr)
 	}
 
-	if cfg.tls != nil {
+	switch cfg.TLSConfig {
-		if cfg.tls.ServerName == "" && !cfg.tls.InsecureSkipVerify {
+	case "false", "":
+		// don't set anything
+	case "true":
+		cfg.tls = &tls.Config{}
+	case "skip-verify", "preferred":
+		cfg.tls = &tls.Config{InsecureSkipVerify: true}
+	default:
+		cfg.tls = getTLSConfigClone(cfg.TLSConfig)
+		if cfg.tls == nil {
+			return errors.New("invalid value / unknown config name: " + cfg.TLSConfig)
+		}
+	}
+
+	if cfg.tls != nil && cfg.tls.ServerName == "" && !cfg.tls.InsecureSkipVerify {
 		host, _, err := net.SplitHostPort(cfg.Addr)
 		if err == nil {
 			cfg.tls.ServerName = host
 		}
 	}
+
+	if cfg.ServerPubKey != "" {
+		cfg.pubKey = getServerPubKey(cfg.ServerPubKey)
+		if cfg.pubKey == nil {
+			return errors.New("invalid value / unknown server pub key name: " + cfg.ServerPubKey)
+		}
 	}
 
 	return nil
 }
 
+func writeDSNParam(buf *bytes.Buffer, hasParam *bool, name, value string) {
+	buf.Grow(1 + len(name) + 1 + len(value))
+	if !*hasParam {
+		*hasParam = true
+		buf.WriteByte('?')
+	} else {
+		buf.WriteByte('&')
+	}
+	buf.WriteString(name)
+	buf.WriteByte('=')
+	buf.WriteString(value)
+}
+
 // FormatDSN formats the given Config into a DSN string which can be passed to
 // the driver.
 func (cfg *Config) FormatDSN() string {
@@ -147,165 +201,75 @@ func (cfg *Config) FormatDSN() string {
 	}
 
 	if cfg.AllowCleartextPasswords {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "allowCleartextPasswords", "true")
-			buf.WriteString("&allowCleartextPasswords=true")
-		} else {
-			hasParam = true
-			buf.WriteString("?allowCleartextPasswords=true")
-		}
 	}
 
 	if !cfg.AllowNativePasswords {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "allowNativePasswords", "false")
-			buf.WriteString("&allowNativePasswords=false")
-		} else {
-			hasParam = true
-			buf.WriteString("?allowNativePasswords=false")
-		}
 	}
 
 	if cfg.AllowOldPasswords {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "allowOldPasswords", "true")
-			buf.WriteString("&allowOldPasswords=true")
-		} else {
-			hasParam = true
-			buf.WriteString("?allowOldPasswords=true")
 	}
+
+	if !cfg.CheckConnLiveness {
+		writeDSNParam(&buf, &hasParam, "checkConnLiveness", "false")
 	}
 
 	if cfg.ClientFoundRows {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "clientFoundRows", "true")
-			buf.WriteString("&clientFoundRows=true")
-		} else {
-			hasParam = true
-			buf.WriteString("?clientFoundRows=true")
-		}
 	}
 
 	if col := cfg.Collation; col != defaultCollation && len(col) > 0 {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "collation", col)
-			buf.WriteString("&collation=")
-		} else {
-			hasParam = true
-			buf.WriteString("?collation=")
-		}
-		buf.WriteString(col)
 	}
 
 	if cfg.ColumnsWithAlias {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "columnsWithAlias", "true")
-			buf.WriteString("&columnsWithAlias=true")
-		} else {
-			hasParam = true
-			buf.WriteString("?columnsWithAlias=true")
-		}
 	}
 
 	if cfg.InterpolateParams {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "interpolateParams", "true")
-			buf.WriteString("&interpolateParams=true")
-		} else {
-			hasParam = true
-			buf.WriteString("?interpolateParams=true")
-		}
 	}
 
 	if cfg.Loc != time.UTC && cfg.Loc != nil {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "loc", url.QueryEscape(cfg.Loc.String()))
-			buf.WriteString("&loc=")
-		} else {
-			hasParam = true
-			buf.WriteString("?loc=")
-		}
-		buf.WriteString(url.QueryEscape(cfg.Loc.String()))
 	}
 
 	if cfg.MultiStatements {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "multiStatements", "true")
-			buf.WriteString("&multiStatements=true")
-		} else {
-			hasParam = true
-			buf.WriteString("?multiStatements=true")
-		}
 	}
 
 	if cfg.ParseTime {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "parseTime", "true")
-			buf.WriteString("&parseTime=true")
-		} else {
-			hasParam = true
-			buf.WriteString("?parseTime=true")
-		}
 	}
 
 	if cfg.ReadTimeout > 0 {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "readTimeout", cfg.ReadTimeout.String())
-			buf.WriteString("&readTimeout=")
-		} else {
-			hasParam = true
-			buf.WriteString("?readTimeout=")
-		}
-		buf.WriteString(cfg.ReadTimeout.String())
 	}
 
 	if cfg.RejectReadOnly {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "rejectReadOnly", "true")
-			buf.WriteString("&rejectReadOnly=true")
-		} else {
-			hasParam = true
-			buf.WriteString("?rejectReadOnly=true")
-		}
 	}
 
 	if len(cfg.ServerPubKey) > 0 {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "serverPubKey", url.QueryEscape(cfg.ServerPubKey))
-			buf.WriteString("&serverPubKey=")
-		} else {
-			hasParam = true
-			buf.WriteString("?serverPubKey=")
-		}
-		buf.WriteString(url.QueryEscape(cfg.ServerPubKey))
 	}
 
 	if cfg.Timeout > 0 {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "timeout", cfg.Timeout.String())
-			buf.WriteString("&timeout=")
-		} else {
-			hasParam = true
-			buf.WriteString("?timeout=")
-		}
-		buf.WriteString(cfg.Timeout.String())
 	}
 
 	if len(cfg.TLSConfig) > 0 {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "tls", url.QueryEscape(cfg.TLSConfig))
-			buf.WriteString("&tls=")
-		} else {
-			hasParam = true
-			buf.WriteString("?tls=")
-		}
-		buf.WriteString(url.QueryEscape(cfg.TLSConfig))
 	}
 
 	if cfg.WriteTimeout > 0 {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "writeTimeout", cfg.WriteTimeout.String())
-			buf.WriteString("&writeTimeout=")
-		} else {
-			hasParam = true
-			buf.WriteString("?writeTimeout=")
-		}
-		buf.WriteString(cfg.WriteTimeout.String())
 	}
 
 	if cfg.MaxAllowedPacket != defaultMaxAllowedPacket {
-		if hasParam {
+		writeDSNParam(&buf, &hasParam, "maxAllowedPacket", strconv.Itoa(cfg.MaxAllowedPacket))
-			buf.WriteString("&maxAllowedPacket=")
-		} else {
-			hasParam = true
-			buf.WriteString("?maxAllowedPacket=")
-		}
-		buf.WriteString(strconv.Itoa(cfg.MaxAllowedPacket))
-
 	}
 
 	// other params
@@ -316,16 +280,7 @@ func (cfg *Config) FormatDSN() string {
 		}
 		sort.Strings(params)
 		for _, param := range params {
-			if hasParam {
+			writeDSNParam(&buf, &hasParam, param, url.QueryEscape(cfg.Params[param]))
-				buf.WriteByte('&')
-			} else {
-				hasParam = true
-				buf.WriteByte('?')
-			}
-
-			buf.WriteString(param)
-			buf.WriteByte('=')
-			buf.WriteString(url.QueryEscape(cfg.Params[param]))
 		}
 	}
 
@@ -452,6 +407,14 @@ func parseDSNParams(cfg *Config, params string) (err error) {
 				return errors.New("invalid bool value: " + value)
 			}
 
+		// Check connections for Liveness before using them
+		case "checkConnLiveness":
+			var isBool bool
+			cfg.CheckConnLiveness, isBool = readBool(value)
+			if !isBool {
+				return errors.New("invalid bool value: " + value)
+			}
+
 		// Switch "rowsAffected" mode
 		case "clientFoundRows":
 			var isBool bool
@@ -531,13 +494,7 @@ func parseDSNParams(cfg *Config, params string) (err error) {
 			if err != nil {
 				return fmt.Errorf("invalid value for server pub key name: %v", err)
 			}
-
-			if pubKey := getServerPubKey(name); pubKey != nil {
 			cfg.ServerPubKey = name
-				cfg.pubKey = pubKey
-			} else {
-				return errors.New("invalid value / unknown server pub key name: " + name)
-			}
 
 		// Strict mode
 		case "strict":
@@ -556,25 +513,17 @@ func parseDSNParams(cfg *Config, params string) (err error) {
 			if isBool {
 				if boolValue {
 					cfg.TLSConfig = "true"
-					cfg.tls = &tls.Config{}
 				} else {
 					cfg.TLSConfig = "false"
 				}
-			} else if vl := strings.ToLower(value); vl == "skip-verify" {
+			} else if vl := strings.ToLower(value); vl == "skip-verify" || vl == "preferred" {
 				cfg.TLSConfig = vl
-				cfg.tls = &tls.Config{InsecureSkipVerify: true}
 			} else {
 				name, err := url.QueryUnescape(value)
 				if err != nil {
 					return fmt.Errorf("invalid value for TLS config name: %v", err)
 				}
-
-				if tlsConfig := getTLSConfigClone(name); tlsConfig != nil {
 				cfg.TLSConfig = name
-					cfg.tls = tlsConfig
-				} else {
-					return errors.New("invalid value / unknown config name: " + name)
-				}
 			}
 
 		// I/O write Timeout

src/vendor/github.com/go-sql-driver/mysql/go.mod

@@ -0,0 +1,3 @@
+module github.com/go-sql-driver/mysql
+
+go 1.10

src/vendor/github.com/go-sql-driver/mysql/nulltime.go

@@ -0,0 +1,50 @@
+// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
+//
+// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package mysql
+
+import (
+	"database/sql/driver"
+	"fmt"
+	"time"
+)
+
+// Scan implements the Scanner interface.
+// The value type must be time.Time or string / []byte (formatted time-string),
+// otherwise Scan fails.
+func (nt *NullTime) Scan(value interface{}) (err error) {
+	if value == nil {
+		nt.Time, nt.Valid = time.Time{}, false
+		return
+	}
+
+	switch v := value.(type) {
+	case time.Time:
+		nt.Time, nt.Valid = v, true
+		return
+	case []byte:
+		nt.Time, err = parseDateTime(string(v), time.UTC)
+		nt.Valid = (err == nil)
+		return
+	case string:
+		nt.Time, err = parseDateTime(v, time.UTC)
+		nt.Valid = (err == nil)
+		return
+	}
+
+	nt.Valid = false
+	return fmt.Errorf("Can't convert %T to time.Time", value)
+}
+
+// Value implements the driver Valuer interface.
+func (nt NullTime) Value() (driver.Value, error) {
+	if !nt.Valid {
+		return nil, nil
+	}
+	return nt.Time, nil
+}

src/vendor/github.com/go-sql-driver/mysql/nulltime_go113.go

@@ -0,0 +1,31 @@
+// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
+//
+// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+// +build go1.13
+
+package mysql
+
+import (
+	"database/sql"
+)
+
+// NullTime represents a time.Time that may be NULL.
+// NullTime implements the Scanner interface so
+// it can be used as a scan destination:
+//
+//  var nt NullTime
+//  err := db.QueryRow("SELECT time FROM foo WHERE id=?", id).Scan(&nt)
+//  ...
+//  if nt.Valid {
+//     // use nt.Time
+//  } else {
+//     // NULL value
+//  }
+//
+// This NullTime implementation is not driver-specific
+type NullTime sql.NullTime

src/vendor/github.com/go-sql-driver/mysql/nulltime_legacy.go

@@ -0,0 +1,34 @@
+// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
+//
+// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+// +build !go1.13
+
+package mysql
+
+import (
+	"time"
+)
+
+// NullTime represents a time.Time that may be NULL.
+// NullTime implements the Scanner interface so
+// it can be used as a scan destination:
+//
+//  var nt NullTime
+//  err := db.QueryRow("SELECT time FROM foo WHERE id=?", id).Scan(&nt)
+//  ...
+//  if nt.Valid {
+//     // use nt.Time
+//  } else {
+//     // NULL value
+//  }
+//
+// This NullTime implementation is not driver-specific
+type NullTime struct {
+	Time  time.Time
+	Valid bool // Valid is true if Time is not NULL
+}

src/vendor/github.com/go-sql-driver/mysql/packets.go

@@ -51,7 +51,7 @@ func (mc *mysqlConn) readPacket() ([]byte, error) {
 		mc.sequence++
 
 		// packets with length 0 terminate a previous packet which is a
-		// multiple of (2^24)−1 bytes long
+		// multiple of (2^24)-1 bytes long
 		if pktLen == 0 {
 			// there was no previous packet
 			if prevData == nil {
@@ -96,6 +96,35 @@ func (mc *mysqlConn) writePacket(data []byte) error {
 		return ErrPktTooLarge
 	}
 
+	// Perform a stale connection check. We only perform this check for
+	// the first query on a connection that has been checked out of the
+	// connection pool: a fresh connection from the pool is more likely
+	// to be stale, and it has not performed any previous writes that
+	// could cause data corruption, so it's safe to return ErrBadConn
+	// if the check fails.
+	if mc.reset {
+		mc.reset = false
+		conn := mc.netConn
+		if mc.rawConn != nil {
+			conn = mc.rawConn
+		}
+		var err error
+		// If this connection has a ReadTimeout which we've been setting on
+		// reads, reset it to its default value before we attempt a non-blocking
+		// read, otherwise the scheduler will just time us out before we can read
+		if mc.cfg.ReadTimeout != 0 {
+			err = conn.SetReadDeadline(time.Time{})
+		}
+		if err == nil && mc.cfg.CheckConnLiveness {
+			err = connCheck(conn)
+		}
+		if err != nil {
+			errLog.Print("closing bad idle connection: ", err)
+			mc.Close()
+			return driver.ErrBadConn
+		}
+	}
+
 	for {
 		var size int
 		if pktLen >= maxPacketSize {
@@ -194,8 +223,12 @@ func (mc *mysqlConn) readHandshakePacket() (data []byte, plugin string, err erro
 		return nil, "", ErrOldProtocol
 	}
 	if mc.flags&clientSSL == 0 && mc.cfg.tls != nil {
+		if mc.cfg.TLSConfig == "preferred" {
+			mc.cfg.tls = nil
+		} else {
 			return nil, "", ErrNoTLS
 		}
+	}
 	pos += 2
 
 	if len(data) > pos {
@@ -286,10 +319,10 @@ func (mc *mysqlConn) writeHandshakeResponsePacket(authResp []byte, plugin string
 	}
 
 	// Calculate packet length and get buffer with that size
-	data := mc.buf.takeSmallBuffer(pktLen + 4)
+	data, err := mc.buf.takeSmallBuffer(pktLen + 4)
-	if data == nil {
+	if err != nil {
 		// cannot take the buffer. Something must be wrong with the connection
-		errLog.Print(ErrBusyBuffer)
+		errLog.Print(err)
 		return errBadConnNoWrite
 	}
 
@@ -328,6 +361,7 @@ func (mc *mysqlConn) writeHandshakeResponsePacket(authResp []byte, plugin string
 		if err := tlsConn.Handshake(); err != nil {
 			return err
 		}
+		mc.rawConn = mc.netConn
 		mc.netConn = tlsConn
 		mc.buf.nc = tlsConn
 	}
@@ -367,10 +401,10 @@ func (mc *mysqlConn) writeHandshakeResponsePacket(authResp []byte, plugin string
 // http://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::AuthSwitchResponse
 func (mc *mysqlConn) writeAuthSwitchPacket(authData []byte) error {
 	pktLen := 4 + len(authData)
-	data := mc.buf.takeSmallBuffer(pktLen)
+	data, err := mc.buf.takeSmallBuffer(pktLen)
-	if data == nil {
+	if err != nil {
 		// cannot take the buffer. Something must be wrong with the connection
-		errLog.Print(ErrBusyBuffer)
+		errLog.Print(err)
 		return errBadConnNoWrite
 	}
 
@@ -387,10 +421,10 @@ func (mc *mysqlConn) writeCommandPacket(command byte) error {
 	// Reset Packet Sequence
 	mc.sequence = 0
 
-	data := mc.buf.takeSmallBuffer(4 + 1)
+	data, err := mc.buf.takeSmallBuffer(4 + 1)
-	if data == nil {
+	if err != nil {
 		// cannot take the buffer. Something must be wrong with the connection
-		errLog.Print(ErrBusyBuffer)
+		errLog.Print(err)
 		return errBadConnNoWrite
 	}
 
@@ -406,10 +440,10 @@ func (mc *mysqlConn) writeCommandPacketStr(command byte, arg string) error {
 	mc.sequence = 0
 
 	pktLen := 1 + len(arg)
-	data := mc.buf.takeBuffer(pktLen + 4)
+	data, err := mc.buf.takeBuffer(pktLen + 4)
-	if data == nil {
+	if err != nil {
 		// cannot take the buffer. Something must be wrong with the connection
-		errLog.Print(ErrBusyBuffer)
+		errLog.Print(err)
 		return errBadConnNoWrite
 	}
 
@@ -427,10 +461,10 @@ func (mc *mysqlConn) writeCommandPacketUint32(command byte, arg uint32) error {
 	// Reset Packet Sequence
 	mc.sequence = 0
 
-	data := mc.buf.takeSmallBuffer(4 + 1 + 4)
+	data, err := mc.buf.takeSmallBuffer(4 + 1 + 4)
-	if data == nil {
+	if err != nil {
 		// cannot take the buffer. Something must be wrong with the connection
-		errLog.Print(ErrBusyBuffer)
+		errLog.Print(err)
 		return errBadConnNoWrite
 	}
 
@@ -883,7 +917,7 @@ func (stmt *mysqlStmt) writeExecutePacket(args []driver.Value) error {
 	const minPktLen = 4 + 1 + 4 + 1 + 4
 	mc := stmt.mc
 
-	// Determine threshould dynamically to avoid packet size shortage.
+	// Determine threshold dynamically to avoid packet size shortage.
 	longDataSize := mc.maxAllowedPacket / (stmt.paramCount + 1)
 	if longDataSize < 64 {
 		longDataSize = 64
@@ -893,15 +927,17 @@ func (stmt *mysqlStmt) writeExecutePacket(args []driver.Value) error {
 	mc.sequence = 0
 
 	var data []byte
+	var err error
 
 	if len(args) == 0 {
-		data = mc.buf.takeBuffer(minPktLen)
+		data, err = mc.buf.takeBuffer(minPktLen)
 	} else {
-		data = mc.buf.takeCompleteBuffer()
+		data, err = mc.buf.takeCompleteBuffer()
+		// In this case the len(data) == cap(data) which is used to optimise the flow below.
 	}
-	if data == nil {
+	if err != nil {
 		// cannot take the buffer. Something must be wrong with the connection
-		errLog.Print(ErrBusyBuffer)
+		errLog.Print(err)
 		return errBadConnNoWrite
 	}
 
@@ -927,7 +963,7 @@ func (stmt *mysqlStmt) writeExecutePacket(args []driver.Value) error {
 		pos := minPktLen
 
 		var nullMask []byte
-		if maskLen, typesLen := (len(args)+7)/8, 1+2*len(args); pos+maskLen+typesLen >= len(data) {
+		if maskLen, typesLen := (len(args)+7)/8, 1+2*len(args); pos+maskLen+typesLen >= cap(data) {
 			// buffer has to be extended but we don't know by how much so
 			// we depend on append after all data with known sizes fit.
 			// We stop at that because we deal with a lot of columns here
@@ -936,10 +972,11 @@ func (stmt *mysqlStmt) writeExecutePacket(args []driver.Value) error {
 			copy(tmp[:pos], data[:pos])
 			data = tmp
 			nullMask = data[pos : pos+maskLen]
+			// No need to clean nullMask as make ensures that.
 			pos += maskLen
 		} else {
 			nullMask = data[pos : pos+maskLen]
-			for i := 0; i < maskLen; i++ {
+			for i := range nullMask {
 				nullMask[i] = 0
 			}
 			pos += maskLen
@@ -984,6 +1021,22 @@ func (stmt *mysqlStmt) writeExecutePacket(args []driver.Value) error {
 					)
 				}
 
+			case uint64:
+				paramTypes[i+i] = byte(fieldTypeLongLong)
+				paramTypes[i+i+1] = 0x80 // type is unsigned
+
+				if cap(paramValues)-len(paramValues)-8 >= 0 {
+					paramValues = paramValues[:len(paramValues)+8]
+					binary.LittleEndian.PutUint64(
+						paramValues[len(paramValues)-8:],
+						uint64(v),
+					)
+				} else {
+					paramValues = append(paramValues,
+						uint64ToBytes(uint64(v))...,
+					)
+				}
+
 			case float64:
 				paramTypes[i+i] = byte(fieldTypeDouble)
 				paramTypes[i+i+1] = 0x00
@@ -1076,7 +1129,10 @@ func (stmt *mysqlStmt) writeExecutePacket(args []driver.Value) error {
 		// In that case we must build the data packet with the new values buffer
 		if valuesCap != cap(paramValues) {
 			data = append(data[:pos], paramValues...)
-			mc.buf.buf = data
+			if err = mc.buf.store(data); err != nil {
+				errLog.Print(err)
+				return errBadConnNoWrite
+			}
 		}
 
 		pos += len(paramValues)

src/vendor/github.com/go-sql-driver/mysql/rows.go

@@ -111,6 +111,13 @@ func (rows *mysqlRows) Close() (err error) {
 		return err
 	}
 
+	// flip the buffer for this connection if we need to drain it.
+	// note that for a successful query (i.e. one where rows.next()
+	// has been called until it returns false), `rows.mc` will be nil
+	// by the time the user calls `(*Rows).Close`, so we won't reach this
+	// see: https://github.com/golang/go/commit/651ddbdb5056ded455f47f9c494c67b389622a47
+	mc.buf.flip()
+
 	// Remove unread packets from stream
 	if !rows.rs.done {
 		err = mc.readUntilEOF()

src/vendor/github.com/go-sql-driver/mysql/statement.go

@@ -13,7 +13,6 @@ import (
 	"fmt"
 	"io"
 	"reflect"
-	"strconv"
 )
 
 type mysqlStmt struct {
@@ -164,14 +163,8 @@ func (c converter) ConvertValue(v interface{}) (driver.Value, error) {
 		}
 	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
 		return rv.Int(), nil
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32:
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
-		return int64(rv.Uint()), nil
+		return rv.Uint(), nil
-	case reflect.Uint64:
-		u64 := rv.Uint()
-		if u64 >= 1<<63 {
-			return strconv.FormatUint(u64, 10), nil
-		}
-		return int64(u64), nil
 	case reflect.Float32, reflect.Float64:
 		return rv.Float(), nil
 	case reflect.Bool:

src/vendor/github.com/go-sql-driver/mysql/utils.go

@@ -10,8 +10,10 @@ package mysql
 
 import (
 	"crypto/tls"
+	"database/sql"
 	"database/sql/driver"
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"io"
 	"strconv"
@@ -54,7 +56,7 @@ var (
 //  db, err := sql.Open("mysql", "user@tcp(localhost:3306)/test?tls=custom")
 //
 func RegisterTLSConfig(key string, config *tls.Config) error {
-	if _, isBool := readBool(key); isBool || strings.ToLower(key) == "skip-verify" {
+	if _, isBool := readBool(key); isBool || strings.ToLower(key) == "skip-verify" || strings.ToLower(key) == "preferred" {
 		return fmt.Errorf("key '%s' is reserved", key)
 	}
 
@@ -80,7 +82,7 @@ func DeregisterTLSConfig(key string) {
 func getTLSConfigClone(key string) (config *tls.Config) {
 	tlsConfigLock.RLock()
 	if v, ok := tlsConfigRegistry[key]; ok {
-		config = cloneTLSConfig(v)
+		config = v.Clone()
 	}
 	tlsConfigLock.RUnlock()
 	return
@@ -104,60 +106,6 @@ func readBool(input string) (value bool, valid bool) {
 *                           Time related utils                                *
 ******************************************************************************/
 
-// NullTime represents a time.Time that may be NULL.
-// NullTime implements the Scanner interface so
-// it can be used as a scan destination:
-//
-//  var nt NullTime
-//  err := db.QueryRow("SELECT time FROM foo WHERE id=?", id).Scan(&nt)
-//  ...
-//  if nt.Valid {
-//     // use nt.Time
-//  } else {
-//     // NULL value
-//  }
-//
-// This NullTime implementation is not driver-specific
-type NullTime struct {
-	Time  time.Time
-	Valid bool // Valid is true if Time is not NULL
-}
-
-// Scan implements the Scanner interface.
-// The value type must be time.Time or string / []byte (formatted time-string),
-// otherwise Scan fails.
-func (nt *NullTime) Scan(value interface{}) (err error) {
-	if value == nil {
-		nt.Time, nt.Valid = time.Time{}, false
-		return
-	}
-
-	switch v := value.(type) {
-	case time.Time:
-		nt.Time, nt.Valid = v, true
-		return
-	case []byte:
-		nt.Time, err = parseDateTime(string(v), time.UTC)
-		nt.Valid = (err == nil)
-		return
-	case string:
-		nt.Time, err = parseDateTime(v, time.UTC)
-		nt.Valid = (err == nil)
-		return
-	}
-
-	nt.Valid = false
-	return fmt.Errorf("Can't convert %T to time.Time", value)
-}
-
-// Value implements the driver Valuer interface.
-func (nt NullTime) Value() (driver.Value, error) {
-	if !nt.Valid {
-		return nil, nil
-	}
-	return nt.Time, nil
-}
-
 func parseDateTime(str string, loc *time.Location) (t time.Time, err error) {
 	base := "0000-00-00 00:00:00.0000000"
 	switch len(str) {
@@ -682,7 +630,7 @@ type atomicBool struct {
 	value   uint32
 }
 
-// IsSet returns wether the current boolean value is true
+// IsSet returns whether the current boolean value is true
 func (ab *atomicBool) IsSet() bool {
 	return atomic.LoadUint32(&ab.value) > 0
 }
@@ -696,7 +644,7 @@ func (ab *atomicBool) Set(value bool) {
 	}
 }
 
-// TrySet sets the value of the bool and returns wether the value changed
+// TrySet sets the value of the bool and returns whether the value changed
 func (ab *atomicBool) TrySet(value bool) bool {
 	if value {
 		return atomic.SwapUint32(&ab.value, 1) == 0
@@ -724,3 +672,30 @@ func (ae *atomicError) Value() error {
 	}
 	return nil
 }
+
+func namedValueToValue(named []driver.NamedValue) ([]driver.Value, error) {
+	dargs := make([]driver.Value, len(named))
+	for n, param := range named {
+		if len(param.Name) > 0 {
+			// TODO: support the use of Named Parameters #561
+			return nil, errors.New("mysql: driver does not support the use of Named Parameters")
+		}
+		dargs[n] = param.Value
+	}
+	return dargs, nil
+}
+
+func mapIsolationLevel(level driver.IsolationLevel) (string, error) {
+	switch sql.IsolationLevel(level) {
+	case sql.LevelRepeatableRead:
+		return "REPEATABLE READ", nil
+	case sql.LevelReadCommitted:
+		return "READ COMMITTED", nil
+	case sql.LevelReadUncommitted:
+		return "READ UNCOMMITTED", nil
+	case sql.LevelSerializable:
+		return "SERIALIZABLE", nil
+	default:
+		return "", fmt.Errorf("mysql: unsupported isolation level: %v", level)
+	}
+}

src/vendor/github.com/go-sql-driver/mysql/utils_go17.go

@@ -1,40 +0,0 @@
-// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
-//
-// Copyright 2017 The Go-MySQL-Driver Authors. All rights reserved.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this file,
-// You can obtain one at http://mozilla.org/MPL/2.0/.
-
-// +build go1.7
-// +build !go1.8
-
-package mysql
-
-import "crypto/tls"
-
-func cloneTLSConfig(c *tls.Config) *tls.Config {
-	return &tls.Config{
-		Rand:                        c.Rand,
-		Time:                        c.Time,
-		Certificates:                c.Certificates,
-		NameToCertificate:           c.NameToCertificate,
-		GetCertificate:              c.GetCertificate,
-		RootCAs:                     c.RootCAs,
-		NextProtos:                  c.NextProtos,
-		ServerName:                  c.ServerName,
-		ClientAuth:                  c.ClientAuth,
-		ClientCAs:                   c.ClientCAs,
-		InsecureSkipVerify:          c.InsecureSkipVerify,
-		CipherSuites:                c.CipherSuites,
-		PreferServerCipherSuites:    c.PreferServerCipherSuites,
-		SessionTicketsDisabled:      c.SessionTicketsDisabled,
-		SessionTicketKey:            c.SessionTicketKey,
-		ClientSessionCache:          c.ClientSessionCache,
-		MinVersion:                  c.MinVersion,
-		MaxVersion:                  c.MaxVersion,
-		CurvePreferences:            c.CurvePreferences,
-		DynamicRecordSizingDisabled: c.DynamicRecordSizingDisabled,
-		Renegotiation:               c.Renegotiation,
-	}
-}

src/vendor/github.com/go-sql-driver/mysql/utils_go18.go

@@ -1,50 +0,0 @@
-// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
-//
-// Copyright 2017 The Go-MySQL-Driver Authors. All rights reserved.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this file,
-// You can obtain one at http://mozilla.org/MPL/2.0/.
-
-// +build go1.8
-
-package mysql
-
-import (
-	"crypto/tls"
-	"database/sql"
-	"database/sql/driver"
-	"errors"
-	"fmt"
-)
-
-func cloneTLSConfig(c *tls.Config) *tls.Config {
-	return c.Clone()
-}
-
-func namedValueToValue(named []driver.NamedValue) ([]driver.Value, error) {
-	dargs := make([]driver.Value, len(named))
-	for n, param := range named {
-		if len(param.Name) > 0 {
-			// TODO: support the use of Named Parameters #561
-			return nil, errors.New("mysql: driver does not support the use of Named Parameters")
-		}
-		dargs[n] = param.Value
-	}
-	return dargs, nil
-}
-
-func mapIsolationLevel(level driver.IsolationLevel) (string, error) {
-	switch sql.IsolationLevel(level) {
-	case sql.LevelRepeatableRead:
-		return "REPEATABLE READ", nil
-	case sql.LevelReadCommitted:
-		return "READ COMMITTED", nil
-	case sql.LevelReadUncommitted:
-		return "READ UNCOMMITTED", nil
-	case sql.LevelSerializable:
-		return "SERIALIZABLE", nil
-	default:
-		return "", fmt.Errorf("mysql: unsupported isolation level: %v", level)
-	}
-}

src/vendor/github.com/golang-migrate/migrate/.travis.yml

@@ -1,82 +0,0 @@
-language: go
-sudo: required
-
-go:
-  - "1.9.x"
-  - "1.10.x"
-
-go_import_path: github.com/golang-migrate/migrate
-
-env:
-  global:
-    - MIGRATE_TEST_CONTAINER_BOOT_TIMEOUT=60
-    - DOCKER_USERNAME=golangmigrate
-    -   secure: "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"
-
-services:
-  - docker
-
-before_cache:
-  - mv $GOPATH/src/github.com/golang-migrate /tmp/golang-migrate
-  - rm -rf $GOPATH/pkg/**/github.com/golang-migrate
-
-cache:
-  directories:
-    - $GOPATH/pkg
-
-before_install:
-  # Download the binary to bin folder in $GOPATH
-  - curl -L -s https://github.com/golang/dep/releases/download/v0.4.1/dep-linux-amd64 -o $GOPATH/bin/dep
-  # Make the binary executable
-  - chmod +x $GOPATH/bin/dep
-
-install:
-  - dep ensure -vendor-only
-  - go get github.com/mattn/goveralls
-
-script:
-  - make test COVERAGE_DIR=/tmp/coverage
-
-after_success:
-  - mv /tmp/golang-migrate $GOPATH/src/github.com/golang-migrate
-  - goveralls -service=travis-ci -coverprofile /tmp/coverage/combined.txt
-  - make list-external-deps > dependency_tree.txt && cat dependency_tree.txt
-
-before_deploy:
-  - make build-cli
-  - gem install --no-ri --no-rdoc fpm 
-  - fpm -s dir -t deb -n migrate -v "$(git describe --tags 2>/dev/null | cut -c 2-)" --license MIT -m dhui@users.noreply.github.com --url https://github.com/golang-migrate/migrate --description='Database migrations' -a amd64 -p migrate.$(git describe --tags 2>/dev/null | cut -c 2-).deb --deb-no-default-config-files -f -C cli/build migrate.linux-amd64=/usr/bin/migrate
-
-deploy:
-  - provider: releases
-    api_key:
-      secure: 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
-    skip_cleanup: true
-    on:
-      go: "1.10.x"
-      repo: golang-migrate/migrate
-      tags: true
-    file:
-      - cli/build/migrate.linux-amd64.tar.gz
-      - cli/build/migrate.darwin-amd64.tar.gz
-      - cli/build/migrate.windows-amd64.exe.tar.gz
-      - cli/build/sha256sum.txt
-      - dependency_tree.txt
-  - provider: packagecloud
-    repository: migrate
-    username: golang-migrate
-    token:
-      secure: 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
-    dist: ubuntu/xenial
-    package_glob: '*.deb'
-    skip_cleanup: true
-    on:
-      go: "1.10.x"
-      repo: golang-migrate/migrate
-      tags: true
-  - provider: script
-    script: ./docker-deploy.sh
-    on:
-      go: "1.10.x"
-      repo: golang-migrate/migrate
-      tags: true

src/vendor/github.com/golang-migrate/migrate/Dockerfile

@@ -1,31 +0,0 @@
-FROM golang:1.10-alpine3.7 AS downloader
-ARG VERSION
-
-RUN apk add --no-cache git gcc musl-dev curl
-
-RUN curl -fsSL -o /usr/local/bin/dep https://github.com/golang/dep/releases/download/v0.4.1/dep-linux-amd64 && chmod +x /usr/local/bin/dep
-
-WORKDIR /go/src/github.com/golang-migrate/migrate
-
-COPY Gopkg.toml Gopkg.lock ./
-RUN dep ensure -vendor-only
-
-COPY *.go ./
-COPY cli ./cli
-COPY database ./database
-COPY source ./source
-
-ENV DATABASES="postgres mysql redshift cassandra spanner cockroachdb clickhouse"
-ENV SOURCES="file go_bindata github aws_s3 google_cloud_storage"
-
-RUN go build -a -o build/migrate.linux-386 -ldflags="-X main.Version=${VERSION}" -tags "$DATABASES $SOURCES" ./cli
-
-FROM alpine:3.7
-
-RUN apk add --no-cache ca-certificates
-
-COPY --from=downloader /go/src/github.com/golang-migrate/migrate/build/migrate.linux-386 /migrate
-RUN chmod u+x /migrate
-
-ENTRYPOINT ["/migrate"]
-CMD ["--help"]

src/vendor/github.com/golang-migrate/migrate/Gopkg.lock

@@ -1,514 +0,0 @@
-# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
-
-
-[[projects]]
-  name = "cloud.google.com/go"
-  packages = [
-    "civil",
-    "compute/metadata",
-    "iam",
-    "internal",
-    "internal/atomiccache",
-    "internal/fields",
-    "internal/optional",
-    "internal/protostruct",
-    "internal/trace",
-    "internal/version",
-    "longrunning",
-    "longrunning/autogen",
-    "spanner",
-    "spanner/admin/database/apiv1",
-    "storage"
-  ]
-  revision = "0fd7230b2a7505833d5f69b75cbd6c9582401479"
-  version = "v0.23.0"
-
-[[projects]]
-  name = "github.com/Microsoft/go-winio"
-  packages = ["."]
-  revision = "7da180ee92d8bd8bb8c37fc560e673e6557c392f"
-  version = "v0.4.7"
-
-[[projects]]
-  name = "github.com/Sirupsen/logrus"
-  packages = ["."]
-  revision = "d26492970760ca5d33129d2d799e34be5c4782eb"
-  version = "v0.11.0"
-
-[[projects]]
-  name = "github.com/aws/aws-sdk-go"
-  packages = [
-    "aws",
-    "aws/awserr",
-    "aws/awsutil",
-    "aws/client",
-    "aws/client/metadata",
-    "aws/corehandlers",
-    "aws/credentials",
-    "aws/credentials/ec2rolecreds",
-    "aws/credentials/endpointcreds",
-    "aws/credentials/stscreds",
-    "aws/defaults",
-    "aws/ec2metadata",
-    "aws/endpoints",
-    "aws/request",
-    "aws/session",
-    "aws/signer/v4",
-    "internal/sdkio",
-    "internal/sdkrand",
-    "internal/shareddefaults",
-    "private/protocol",
-    "private/protocol/query",
-    "private/protocol/query/queryutil",
-    "private/protocol/rest",
-    "private/protocol/restxml",
-    "private/protocol/xml/xmlutil",
-    "service/s3",
-    "service/s3/s3iface",
-    "service/sts"
-  ]
-  revision = "31a85efbe3bc741eb539d6310c8e66030b7c5cb7"
-  version = "v1.13.47"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/cockroachdb/cockroach-go"
-  packages = ["crdb"]
-  revision = "59c0560478b705bf9bd12f9252224a0fad7c87df"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/cznic/b"
-  packages = ["."]
-  revision = "35e9bbe41f07452a183c517a5fc5f3c9f45eaa0f"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/cznic/fileutil"
-  packages = ["."]
-  revision = "6a051e75936f623600b67c2b1116b6b6c0ffb936"
-
-[[projects]]
-  name = "github.com/cznic/internal"
-  packages = [
-    "buffer",
-    "file",
-    "slice"
-  ]
-  revision = "cef02a853c3a93623c42eacd574e7ea05f55531b"
-  version = "1.0.0"
-
-[[projects]]
-  name = "github.com/cznic/lldb"
-  packages = ["."]
-  revision = "bea8611dd5c407f3c5eab9f9c68e887a27dc6f0e"
-  version = "v1.1.0"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/cznic/mathutil"
-  packages = ["."]
-  revision = "ca4c9f2c136954238c3158b92de72078c7672ecc"
-
-[[projects]]
-  name = "github.com/cznic/ql"
-  packages = [
-    ".",
-    "driver",
-    "vendored/github.com/camlistore/go4/lock"
-  ]
-  revision = "7a63cd7aa46ecd9f549b96983029576af2178f60"
-  version = "v1.1.0"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/cznic/sortutil"
-  packages = ["."]
-  revision = "4c7342852e65c2088c981288f2c5610d10b9f7f4"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/cznic/strutil"
-  packages = ["."]
-  revision = "529a34b1c186b483642a7a230c67521d9aa4b0fb"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/cznic/zappy"
-  packages = ["."]
-  revision = "2533cb5b45cc6c07421468ce262899ddc9d53fb7"
-
-[[projects]]
-  name = "github.com/docker/distribution"
-  packages = [
-    "digestset",
-    "reference"
-  ]
-  revision = "b38e5838b7b2f2ad48e06ec4b500011976080621"
-
-[[projects]]
-  name = "github.com/docker/docker"
-  packages = [
-    "api",
-    "api/types",
-    "api/types/blkiodev",
-    "api/types/container",
-    "api/types/events",
-    "api/types/filters",
-    "api/types/image",
-    "api/types/mount",
-    "api/types/network",
-    "api/types/registry",
-    "api/types/strslice",
-    "api/types/swarm",
-    "api/types/time",
-    "api/types/versions",
-    "api/types/volume",
-    "client",
-    "pkg/ioutils",
-    "pkg/longpath",
-    "pkg/system",
-    "pkg/tlsconfig"
-  ]
-  revision = "90d35abf7b3535c1c319c872900fbd76374e521c"
-  version = "v17.05.0-ce-rc3"
-
-[[projects]]
-  name = "github.com/docker/go-connections"
-  packages = [
-    "nat",
-    "sockets",
-    "tlsconfig"
-  ]
-  revision = "e15c02316c12de00874640cd76311849de2aeed5"
-
-[[projects]]
-  name = "github.com/docker/go-units"
-  packages = ["."]
-  revision = "9e638d38cf6977a37a8ea0078f3ee75a7cdb2dd1"
-
-[[projects]]
-  name = "github.com/docker/libtrust"
-  packages = ["."]
-  revision = "9cbd2a1374f46905c68a4eb3694a130610adc62a"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/edsrzf/mmap-go"
-  packages = ["."]
-  revision = "0bce6a6887123b67a60366d2c9fe2dfb74289d2e"
-
-[[projects]]
-  name = "github.com/fsouza/fake-gcs-server"
-  packages = ["fakestorage"]
-  revision = "9162fe06459e3d9859987fc2802fa729ddb6dc53"
-  version = "v1.0.0"
-
-[[projects]]
-  name = "github.com/go-ini/ini"
-  packages = ["."]
-  revision = "6529cf7c58879c08d927016dde4477f18a0634cb"
-  version = "v1.36.0"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/go-sql-driver/mysql"
-  packages = ["."]
-  revision = "7413002f368fba928eefaf762c91a2acfeabdf68"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/gocql/gocql"
-  packages = [
-    ".",
-    "internal/lru",
-    "internal/murmur",
-    "internal/streams"
-  ]
-  revision = "3c37daec2f4d3def4b3b21668c6c2e80d3265a69"
-
-[[projects]]
-  name = "github.com/golang/protobuf"
-  packages = [
-    "proto",
-    "protoc-gen-go/descriptor",
-    "ptypes",
-    "ptypes/any",
-    "ptypes/duration",
-    "ptypes/empty",
-    "ptypes/struct",
-    "ptypes/timestamp"
-  ]
-  revision = "b4deda0973fb4c70b50d226b1af49f3da59f5265"
-  version = "v1.1.0"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/golang/snappy"
-  packages = ["."]
-  revision = "553a641470496b2327abcac10b36396bd98e45c9"
-
-[[projects]]
-  name = "github.com/google/go-github"
-  packages = ["github"]
-  revision = "e48060a28fac52d0f1cb758bc8b87c07bac4a87d"
-  version = "v15.0.0"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/google/go-querystring"
-  packages = ["query"]
-  revision = "53e6ce116135b80d037921a7fdd5138cf32d7a8a"
-
-[[projects]]
-  name = "github.com/googleapis/gax-go"
-  packages = ["."]
-  revision = "317e0006254c44a0ac427cc52a0e083ff0b9622f"
-  version = "v2.0.0"
-
-[[projects]]
-  name = "github.com/gorilla/context"
-  packages = ["."]
-  revision = "1ea25387ff6f684839d82767c1733ff4d4d15d0a"
-  version = "v1.1"
-
-[[projects]]
-  name = "github.com/gorilla/mux"
-  packages = ["."]
-  revision = "e3702bed27f0d39777b0b37b664b6280e8ef8fbf"
-  version = "v1.6.2"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/hailocab/go-hostpool"
-  packages = ["."]
-  revision = "e80d13ce29ede4452c43dea11e79b9bc8a15b478"
-
-[[projects]]
-  name = "github.com/jmespath/go-jmespath"
-  packages = ["."]
-  revision = "0b12d6b5"
-
-[[projects]]
-  name = "github.com/kshvakov/clickhouse"
-  packages = [
-    ".",
-    "lib/binary",
-    "lib/column",
-    "lib/data",
-    "lib/protocol",
-    "lib/types",
-    "lib/writebuffer"
-  ]
-  revision = "8a2dd1e831a6c7381c11d40bcaf80ae98023c605"
-  version = "v1.3.3"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/lib/pq"
-  packages = [
-    ".",
-    "oid"
-  ]
-  revision = "d34b9ff171c21ad295489235aec8b6626023cd04"
-
-[[projects]]
-  name = "github.com/mattn/go-sqlite3"
-  packages = ["."]
-  revision = "6c771bb9887719704b210e87e934f08be014bdb1"
-  version = "v1.6.0"
-
-[[projects]]
-  name = "github.com/opencontainers/go-digest"
-  packages = ["."]
-  revision = "a6d0ee40d4207ea02364bd3b9e8e77b9159ba1eb"
-
-[[projects]]
-  name = "github.com/pkg/errors"
-  packages = ["."]
-  revision = "839d9e913e063e28dfd0e6c7b7512793e0a48be9"
-
-[[projects]]
-  name = "go.opencensus.io"
-  packages = [
-    "exporter/stackdriver/propagation",
-    "internal",
-    "internal/tagencoding",
-    "plugin/ocgrpc",
-    "plugin/ochttp",
-    "plugin/ochttp/propagation/b3",
-    "stats",
-    "stats/internal",
-    "stats/view",
-    "tag",
-    "trace",
-    "trace/internal",
-    "trace/propagation"
-  ]
-  revision = "c3ed530f775d85e577ca652cb052a52c078aad26"
-  version = "v0.11.0"
-
-[[projects]]
-  branch = "master"
-  name = "golang.org/x/net"
-  packages = [
-    "context",
-    "context/ctxhttp",
-    "http/httpguts",
-    "http2",
-    "http2/hpack",
-    "idna",
-    "internal/socks",
-    "internal/timeseries",
-    "proxy",
-    "trace"
-  ]
-  revision = "2491c5de3490fced2f6cff376127c667efeed857"
-
-[[projects]]
-  branch = "master"
-  name = "golang.org/x/oauth2"
-  packages = [
-    ".",
-    "google",
-    "internal",
-    "jws",
-    "jwt"
-  ]
-  revision = "cdc340f7c179dbbfa4afd43b7614e8fcadde4269"
-
-[[projects]]
-  name = "golang.org/x/sys"
-  packages = [
-    "unix",
-    "windows"
-  ]
-  revision = "8f0908ab3b2457e2e15403d3697c9ef5cb4b57a9"
-
-[[projects]]
-  name = "golang.org/x/text"
-  packages = [
-    "collate",
-    "collate/build",
-    "internal/colltab",
-    "internal/gen",
-    "internal/tag",
-    "internal/triegen",
-    "internal/ucd",
-    "language",
-    "secure/bidirule",
-    "transform",
-    "unicode/bidi",
-    "unicode/cldr",
-    "unicode/norm",
-    "unicode/rangetable"
-  ]
-  revision = "f21a4dfb5e38f5895301dc265a8def02365cc3d0"
-  version = "v0.3.0"
-
-[[projects]]
-  branch = "master"
-  name = "golang.org/x/tools"
-  packages = [
-    "godoc/vfs",
-    "godoc/vfs/mapfs"
-  ]
-  revision = "c06a8d8ed11aae27b08c1c109a509ada9de81240"
-
-[[projects]]
-  branch = "master"
-  name = "google.golang.org/api"
-  packages = [
-    "gensupport",
-    "googleapi",
-    "googleapi/internal/uritemplates",
-    "googleapi/transport",
-    "internal",
-    "iterator",
-    "option",
-    "storage/v1",
-    "transport",
-    "transport/grpc",
-    "transport/http"
-  ]
-  revision = "15aea8711db98e640b277da9771a9d74270c2edc"
-
-[[projects]]
-  name = "google.golang.org/appengine"
-  packages = [
-    ".",
-    "cloudsql",
-    "internal",
-    "internal/app_identity",
-    "internal/base",
-    "internal/datastore",
-    "internal/log",
-    "internal/modules",
-    "internal/remote_api",
-    "internal/socket",
-    "internal/urlfetch",
-    "socket",
-    "urlfetch"
-  ]
-  revision = "150dc57a1b433e64154302bdc40b6bb8aefa313a"
-  version = "v1.0.0"
-
-[[projects]]
-  branch = "master"
-  name = "google.golang.org/genproto"
-  packages = [
-    "googleapis/api/annotations",
-    "googleapis/iam/v1",
-    "googleapis/longrunning",
-    "googleapis/rpc/code",
-    "googleapis/rpc/errdetails",
-    "googleapis/rpc/status",
-    "googleapis/spanner/admin/database/v1",
-    "googleapis/spanner/v1"
-  ]
-  revision = "86e600f69ee4704c6efbf6a2a40a5c10700e76c2"
-
-[[projects]]
-  name = "google.golang.org/grpc"
-  packages = [
-    ".",
-    "balancer",
-    "balancer/base",
-    "balancer/roundrobin",
-    "channelz",
-    "codes",
-    "connectivity",
-    "credentials",
-    "credentials/oauth",
-    "encoding",
-    "encoding/proto",
-    "grpclb/grpc_lb_v1/messages",
-    "grpclog",
-    "internal",
-    "keepalive",
-    "metadata",
-    "naming",
-    "peer",
-    "resolver",
-    "resolver/dns",
-    "resolver/passthrough",
-    "stats",
-    "status",
-    "tap",
-    "transport"
-  ]
-  revision = "41344da2231b913fa3d983840a57a6b1b7b631a1"
-  version = "v1.12.0"
-
-[[projects]]
-  name = "gopkg.in/inf.v0"
-  packages = ["."]
-  revision = "d2d2541c53f18d2a059457998ce2876cc8e67cbf"
-  version = "v0.9.1"
-
-[solve-meta]
-  analyzer-name = "dep"
-  analyzer-version = 1
-  inputs-digest = "952240f227fe19a7d62faa43d3acad05b097803337542117c1c3bd81cc5ffd6d"
-  solver-name = "gps-cdcl"
-  solver-version = 1

src/vendor/github.com/golang-migrate/migrate/Gopkg.toml

@@ -1,94 +0,0 @@
-# Gopkg.toml example
-#
-# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
-# for detailed Gopkg.toml documentation.
-#
-# required = ["github.com/user/thing/cmd/thing"]
-# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
-#
-# [[constraint]]
-#   name = "github.com/user/project"
-#   version = "1.0.0"
-#
-# [[constraint]]
-#   name = "github.com/user/project2"
-#   branch = "dev"
-#   source = "github.com/myfork/project2"
-#
-# [[override]]
-#   name = "github.com/x/y"
-#   version = "2.4.0"
-#
-# [prune]
-#   non-go = false
-#   go-tests = true
-#   unused-packages = true
-
-
-[[constraint]]
-  name = "github.com/aws/aws-sdk-go"
-  version = "1.13.47"
-
-[[constraint]]
-  branch = "master"
-  name = "github.com/cockroachdb/cockroach-go"
-
-[[constraint]]
-  name = "github.com/cznic/ql"
-  version = "1.1.0"
-
-[[constraint]]
-  name = "github.com/docker/docker"
-  version = "v17.05.0-ce"
-
-[[constraint]]
-  name = "github.com/fsouza/fake-gcs-server"
-  version = "1.0.0"
-
-[[constraint]]
-  name = "github.com/go-sql-driver/mysql"
-  branch = "master"
-
-[[constraint]]
-  branch = "master"
-  name = "github.com/gocql/gocql"
-
-[[constraint]]
-  name = "github.com/google/go-github"
-  version = "15.0.0"
-
-[[constraint]]
-  name = "github.com/kshvakov/clickhouse"
-  version = "1.3.3"
-
-[[constraint]]
-  branch = "master"
-  name = "github.com/lib/pq"
-
-[[constraint]]
-  name = "github.com/mattn/go-sqlite3"
-  version = "1.6.0"
-
-[[constraint]]
-  branch = "master"
-  name = "golang.org/x/net"
-
-[[constraint]]
-  branch = "master"
-  name = "google.golang.org/api"
-
-[[constraint]]
-  branch = "master"
-  name = "google.golang.org/genproto"
-
-[[override]]
-  name = "cloud.google.com/go"
-  version = "0.23.0"
-
-[[override]]
-  branch = "master"
-  name = "golang.org/x/tools"
-
-[prune]
-  go-tests = true
-  unused-packages = true

src/vendor/github.com/golang-migrate/migrate/README.md

@@ -1,147 +0,0 @@
-[![Build Status](https://img.shields.io/travis/golang-migrate/migrate/master.svg)](https://travis-ci.org/golang-migrate/migrate)
-[![GoDoc](https://godoc.org/github.com/golang-migrate/migrate?status.svg)](https://godoc.org/github.com/golang-migrate/migrate)
-[![Coverage Status](https://img.shields.io/coveralls/github/golang-migrate/migrate/master.svg)](https://coveralls.io/github/golang-migrate/migrate?branch=master)
-[![packagecloud.io](https://img.shields.io/badge/deb-packagecloud.io-844fec.svg)](https://packagecloud.io/golang-migrate/migrate?filter=debs)
-[![GitHub Release](https://img.shields.io/github/release/golang-migrate/migrate.svg)](https://github.com/golang-migrate/migrate/releases)
-
-
-# migrate
-
-__Database migrations written in Go. Use as [CLI](#cli-usage) or import as [library](#use-in-your-go-project).__
-
- * Migrate reads migrations from [sources](#migration-sources)
-   and applies them in correct order to a [database](#databases).
- * Drivers are "dumb", migrate glues everything together and makes sure the logic is bulletproof.
-   (Keeps the drivers lightweight, too.)
- * Database drivers don't assume things or try to correct user input. When in doubt, fail.
-
-
-Looking for [v1](https://github.com/golang-migrate/migrate/tree/v1)?
-
-
-## Databases
-
-Database drivers run migrations. [Add a new database?](database/driver.go)
-
-  * [PostgreSQL](database/postgres)
-  * [Redshift](database/redshift)
-  * [Ql](database/ql)
-  * [Cassandra](database/cassandra)
-  * [SQLite](database/sqlite3) ([todo #165](https://github.com/mattes/migrate/issues/165))
-  * [MySQL/ MariaDB](database/mysql)
-  * [Neo4j](database/neo4j) ([todo #167](https://github.com/mattes/migrate/issues/167))
-  * [MongoDB](database/mongodb) ([todo #169](https://github.com/mattes/migrate/issues/169))
-  * [CrateDB](database/crate) ([todo #170](https://github.com/mattes/migrate/issues/170))
-  * [Shell](database/shell) ([todo #171](https://github.com/mattes/migrate/issues/171))
-  * [Google Cloud Spanner](database/spanner)
-  * [CockroachDB](database/cockroachdb)
-  * [ClickHouse](database/clickhouse)
-
-
-## Migration Sources
-
-Source drivers read migrations from local or remote sources. [Add a new source?](source/driver.go)
-
-  * [Filesystem](source/file) - read from fileystem
-  * [Go-Bindata](source/go_bindata) - read from embedded binary data ([jteeuwen/go-bindata](https://github.com/jteeuwen/go-bindata))
-  * [Github](source/github) - read from remote Github repositories
-  * [AWS S3](source/aws_s3) - read from Amazon Web Services S3
-  * [Google Cloud Storage](source/google_cloud_storage) - read from Google Cloud Platform Storage
-
-
-
-## CLI usage
-
-  * Simple wrapper around this library.
-  * Handles ctrl+c (SIGINT) gracefully.
-  * No config search paths, no config files, no magic ENV var injections.
-
-__[CLI Documentation](cli)__
-
-### Basic usage:
-
-```
-$ migrate -database postgres://localhost:5432/database up 2
-```
-
-### Docker usage
-
-```
-$ docker run -v {{ migration dir }}:/migrations --network host migrate/migrate 
-    -path=/migrations/ -database postgres://localhost:5432/database up 2
-```
-
-## Use in your Go project
-
- * API is stable and frozen for this release (v3.x).
- * Package migrate has no external dependencies.
- * Only import the drivers you need.
-   (check [dependency_tree.txt](https://github.com/golang-migrate/migrate/releases) for each driver)
- * To help prevent database corruptions, it supports graceful stops via `GracefulStop chan bool`.
- * Bring your own logger.
- * Uses `io.Reader` streams internally for low memory overhead.
- * Thread-safe and no goroutine leaks.
-
-__[Go Documentation](https://godoc.org/github.com/golang-migrate/migrate)__
-
-```go
-import (
-    "github.com/golang-migrate/migrate"
-    _ "github.com/golang-migrate/migrate/database/postgres"
-    _ "github.com/golang-migrate/migrate/source/github"
-)
-
-func main() {
-    m, err := migrate.New(
-        "github://mattes:personal-access-token@mattes/migrate_test",
-        "postgres://localhost:5432/database?sslmode=enable")
-    m.Steps(2)
-}
-```
-
-Want to use an existing database client?
-
-```go
-import (
-    "database/sql"
-    _ "github.com/lib/pq"
-    "github.com/golang-migrate/migrate"
-    "github.com/golang-migrate/migrate/database/postgres"
-    _ "github.com/golang-migrate/migrate/source/file"
-)
-
-func main() {
-    db, err := sql.Open("postgres", "postgres://localhost:5432/database?sslmode=enable")
-    driver, err := postgres.WithInstance(db, &postgres.Config{})
-    m, err := migrate.NewWithDatabaseInstance(
-        "file:///migrations",
-        "postgres", driver)
-    m.Steps(2)
-}
-```
-
-## Migration files
-
-Each migration has an up and down migration. [Why?](FAQ.md#why-two-separate-files-up-and-down-for-a-migration)
-
-```
-1481574547_create_users_table.up.sql
-1481574547_create_users_table.down.sql
-```
-
-[Best practices: How to write migrations.](MIGRATIONS.md)
-
-
-
-## Development and Contributing
-
-Yes, please! [`Makefile`](Makefile) is your friend,
-read the [development guide](CONTRIBUTING.md).
-
-Also have a look at the [FAQ](FAQ.md).
-
-
-
----
-
-Looking for alternatives? [https://awesome-go.com/#database](https://awesome-go.com/#database).

src/vendor/github.com/golang-migrate/migrate/database/postgres/postgres.go

@@ -1,278 +0,0 @@
-// +build go1.9
-
-package postgres
-
-import (
-	"database/sql"
-	"fmt"
-	"io"
-	"io/ioutil"
-	nurl "net/url"
-
-	"context"
-	"github.com/golang-migrate/migrate"
-	"github.com/golang-migrate/migrate/database"
-	"github.com/lib/pq"
-)
-
-func init() {
-	db := Postgres{}
-	database.Register("postgres", &db)
-	database.Register("postgresql", &db)
-}
-
-var DefaultMigrationsTable = "schema_migrations"
-
-var (
-	ErrNilConfig      = fmt.Errorf("no config")
-	ErrNoDatabaseName = fmt.Errorf("no database name")
-	ErrNoSchema       = fmt.Errorf("no schema")
-	ErrDatabaseDirty  = fmt.Errorf("database is dirty")
-)
-
-type Config struct {
-	MigrationsTable string
-	DatabaseName    string
-}
-
-type Postgres struct {
-	// Locking and unlocking need to use the same connection
-	conn     *sql.Conn
-	isLocked bool
-
-	// Open and WithInstance need to garantuee that config is never nil
-	config *Config
-}
-
-func WithInstance(instance *sql.DB, config *Config) (database.Driver, error) {
-	if config == nil {
-		return nil, ErrNilConfig
-	}
-
-	if err := instance.Ping(); err != nil {
-		return nil, err
-	}
-
-	query := `SELECT CURRENT_DATABASE()`
-	var databaseName string
-	if err := instance.QueryRow(query).Scan(&databaseName); err != nil {
-		return nil, &database.Error{OrigErr: err, Query: []byte(query)}
-	}
-
-	if len(databaseName) == 0 {
-		return nil, ErrNoDatabaseName
-	}
-
-	config.DatabaseName = databaseName
-
-	if len(config.MigrationsTable) == 0 {
-		config.MigrationsTable = DefaultMigrationsTable
-	}
-
-	conn, err := instance.Conn(context.Background())
-
-	if err != nil {
-		return nil, err
-	}
-
-	px := &Postgres{
-		conn:   conn,
-		config: config,
-	}
-
-	if err := px.ensureVersionTable(); err != nil {
-		return nil, err
-	}
-
-	return px, nil
-}
-
-func (p *Postgres) Open(url string) (database.Driver, error) {
-	purl, err := nurl.Parse(url)
-	if err != nil {
-		return nil, err
-	}
-
-	db, err := sql.Open("postgres", migrate.FilterCustomQuery(purl).String())
-	if err != nil {
-		return nil, err
-	}
-
-	migrationsTable := purl.Query().Get("x-migrations-table")
-	if len(migrationsTable) == 0 {
-		migrationsTable = DefaultMigrationsTable
-	}
-
-	px, err := WithInstance(db, &Config{
-		DatabaseName:    purl.Path,
-		MigrationsTable: migrationsTable,
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	return px, nil
-}
-
-func (p *Postgres) Close() error {
-	return p.conn.Close()
-}
-
-// https://www.postgresql.org/docs/9.6/static/explicit-locking.html#ADVISORY-LOCKS
-func (p *Postgres) Lock() error {
-	if p.isLocked {
-		return database.ErrLocked
-	}
-
-	aid, err := database.GenerateAdvisoryLockId(p.config.DatabaseName)
-	if err != nil {
-		return err
-	}
-
-	// This will either obtain the lock immediately and return true,
-	// or return false if the lock cannot be acquired immediately.
-	query := `SELECT pg_advisory_lock($1)`
-	if _, err := p.conn.ExecContext(context.Background(), query, aid); err != nil {
-		return &database.Error{OrigErr: err, Err: "try lock failed", Query: []byte(query)}
-	}
-
-	p.isLocked = true
-	return nil
-}
-
-func (p *Postgres) Unlock() error {
-	if !p.isLocked {
-		return nil
-	}
-
-	aid, err := database.GenerateAdvisoryLockId(p.config.DatabaseName)
-	if err != nil {
-		return err
-	}
-
-	query := `SELECT pg_advisory_unlock($1)`
-	if _, err := p.conn.ExecContext(context.Background(), query, aid); err != nil {
-		return &database.Error{OrigErr: err, Query: []byte(query)}
-	}
-	p.isLocked = false
-	return nil
-}
-
-func (p *Postgres) Run(migration io.Reader) error {
-	migr, err := ioutil.ReadAll(migration)
-	if err != nil {
-		return err
-	}
-
-	// run migration
-	query := string(migr[:])
-	if _, err := p.conn.ExecContext(context.Background(), query); err != nil {
-		// TODO: cast to postgress error and get line number
-		return database.Error{OrigErr: err, Err: "migration failed", Query: migr}
-	}
-
-	return nil
-}
-
-func (p *Postgres) SetVersion(version int, dirty bool) error {
-	tx, err := p.conn.BeginTx(context.Background(), &sql.TxOptions{})
-	if err != nil {
-		return &database.Error{OrigErr: err, Err: "transaction start failed"}
-	}
-
-	query := `TRUNCATE "` + p.config.MigrationsTable + `"`
-	if _, err := tx.Exec(query); err != nil {
-		tx.Rollback()
-		return &database.Error{OrigErr: err, Query: []byte(query)}
-	}
-
-	if version >= 0 {
-		query = `INSERT INTO "` + p.config.MigrationsTable + `" (version, dirty) VALUES ($1, $2)`
-		if _, err := tx.Exec(query, version, dirty); err != nil {
-			tx.Rollback()
-			return &database.Error{OrigErr: err, Query: []byte(query)}
-		}
-	}
-
-	if err := tx.Commit(); err != nil {
-		return &database.Error{OrigErr: err, Err: "transaction commit failed"}
-	}
-
-	return nil
-}
-
-func (p *Postgres) Version() (version int, dirty bool, err error) {
-	query := `SELECT version, dirty FROM "` + p.config.MigrationsTable + `" LIMIT 1`
-	err = p.conn.QueryRowContext(context.Background(), query).Scan(&version, &dirty)
-	switch {
-	case err == sql.ErrNoRows:
-		return database.NilVersion, false, nil
-
-	case err != nil:
-		if e, ok := err.(*pq.Error); ok {
-			if e.Code.Name() == "undefined_table" {
-				return database.NilVersion, false, nil
-			}
-		}
-		return 0, false, &database.Error{OrigErr: err, Query: []byte(query)}
-
-	default:
-		return version, dirty, nil
-	}
-}
-
-func (p *Postgres) Drop() error {
-	// select all tables in current schema
-	query := `SELECT table_name FROM information_schema.tables WHERE table_schema=(SELECT current_schema())`
-	tables, err := p.conn.QueryContext(context.Background(), query)
-	if err != nil {
-		return &database.Error{OrigErr: err, Query: []byte(query)}
-	}
-	defer tables.Close()
-
-	// delete one table after another
-	tableNames := make([]string, 0)
-	for tables.Next() {
-		var tableName string
-		if err := tables.Scan(&tableName); err != nil {
-			return err
-		}
-		if len(tableName) > 0 {
-			tableNames = append(tableNames, tableName)
-		}
-	}
-
-	if len(tableNames) > 0 {
-		// delete one by one ...
-		for _, t := range tableNames {
-			query = `DROP TABLE IF EXISTS ` + t + ` CASCADE`
-			if _, err := p.conn.ExecContext(context.Background(), query); err != nil {
-				return &database.Error{OrigErr: err, Query: []byte(query)}
-			}
-		}
-		if err := p.ensureVersionTable(); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func (p *Postgres) ensureVersionTable() error {
-	// check if migration table exists
-	var count int
-	query := `SELECT COUNT(1) FROM information_schema.tables WHERE table_name = $1 AND table_schema = (SELECT current_schema()) LIMIT 1`
-	if err := p.conn.QueryRowContext(context.Background(), query, p.config.MigrationsTable).Scan(&count); err != nil {
-		return &database.Error{OrigErr: err, Query: []byte(query)}
-	}
-	if count == 1 {
-		return nil
-	}
-
-	// if not, create the empty migration table
-	query = `CREATE TABLE "` + p.config.MigrationsTable + `" (version bigint not null primary key, dirty boolean not null)`
-	if _, err := p.conn.ExecContext(context.Background(), query); err != nil {
-		return &database.Error{OrigErr: err, Query: []byte(query)}
-	}
-	return nil
-}

src/vendor/github.com/golang-migrate/migrate/database/util.go

@@ -1,15 +0,0 @@
-package database
-
-import (
-	"fmt"
-	"hash/crc32"
-)
-
-const advisoryLockIdSalt uint = 1486364155
-
-// inspired by rails migrations, see https://goo.gl/8o9bCT
-func GenerateAdvisoryLockId(databaseName string) (string, error) {
-	sum := crc32.ChecksumIEEE([]byte(databaseName))
-	sum = sum * uint32(advisoryLockIdSalt)
-	return fmt.Sprintf("%v", sum), nil
-}

src/vendor/github.com/golang-migrate/migrate/source/file/file.go

@@ -1,127 +0,0 @@
-package file
-
-import (
-	"fmt"
-	"io"
-	"io/ioutil"
-	nurl "net/url"
-	"os"
-	"path"
-	"path/filepath"
-
-	"github.com/golang-migrate/migrate/source"
-)
-
-func init() {
-	source.Register("file", &File{})
-}
-
-type File struct {
-	url        string
-	path       string
-	migrations *source.Migrations
-}
-
-func (f *File) Open(url string) (source.Driver, error) {
-	u, err := nurl.Parse(url)
-	if err != nil {
-		return nil, err
-	}
-
-	// concat host and path to restore full path
-	// host might be `.`
-	p := u.Host + u.Path
-
-	if len(p) == 0 {
-		// default to current directory if no path
-		wd, err := os.Getwd()
-		if err != nil {
-			return nil, err
-		}
-		p = wd
-
-	} else if p[0:1] == "." || p[0:1] != "/" {
-		// make path absolute if relative
-		abs, err := filepath.Abs(p)
-		if err != nil {
-			return nil, err
-		}
-		p = abs
-	}
-
-	// scan directory
-	files, err := ioutil.ReadDir(p)
-	if err != nil {
-		return nil, err
-	}
-
-	nf := &File{
-		url:        url,
-		path:       p,
-		migrations: source.NewMigrations(),
-	}
-
-	for _, fi := range files {
-		if !fi.IsDir() {
-			m, err := source.DefaultParse(fi.Name())
-			if err != nil {
-				continue // ignore files that we can't parse
-			}
-			if !nf.migrations.Append(m) {
-				return nil, fmt.Errorf("unable to parse file %v", fi.Name())
-			}
-		}
-	}
-	return nf, nil
-}
-
-func (f *File) Close() error {
-	// nothing do to here
-	return nil
-}
-
-func (f *File) First() (version uint, err error) {
-	if v, ok := f.migrations.First(); !ok {
-		return 0, &os.PathError{Op: "first", Path: f.path, Err: os.ErrNotExist}
-	} else {
-		return v, nil
-	}
-}
-
-func (f *File) Prev(version uint) (prevVersion uint, err error) {
-	if v, ok := f.migrations.Prev(version); !ok {
-		return 0, &os.PathError{Op: fmt.Sprintf("prev for version %v", version), Path: f.path, Err: os.ErrNotExist}
-	} else {
-		return v, nil
-	}
-}
-
-func (f *File) Next(version uint) (nextVersion uint, err error) {
-	if v, ok := f.migrations.Next(version); !ok {
-		return 0, &os.PathError{Op: fmt.Sprintf("next for version %v", version), Path: f.path, Err: os.ErrNotExist}
-	} else {
-		return v, nil
-	}
-}
-
-func (f *File) ReadUp(version uint) (r io.ReadCloser, identifier string, err error) {
-	if m, ok := f.migrations.Up(version); ok {
-		r, err := os.Open(path.Join(f.path, m.Raw))
-		if err != nil {
-			return nil, "", err
-		}
-		return r, m.Identifier, nil
-	}
-	return nil, "", &os.PathError{Op: fmt.Sprintf("read version %v", version), Path: f.path, Err: os.ErrNotExist}
-}
-
-func (f *File) ReadDown(version uint) (r io.ReadCloser, identifier string, err error) {
-	if m, ok := f.migrations.Down(version); ok {
-		r, err := os.Open(path.Join(f.path, m.Raw))
-		if err != nil {
-			return nil, "", err
-		}
-		return r, m.Identifier, nil
-	}
-	return nil, "", &os.PathError{Op: fmt.Sprintf("read version %v", version), Path: f.path, Err: os.ErrNotExist}
-}

src/vendor/github.com/golang-migrate/migrate/v4/.gitignore

@@ -5,3 +5,5 @@ cli/migrate
 .coverage
 .godoc.pid
 vendor/
+.vscode/
+.idea/

src/vendor/github.com/golang-migrate/migrate/v4/.golangci.yml

@@ -0,0 +1,27 @@
+run:
+  # timeout for analysis, e.g. 30s, 5m, default is 1m
+  timeout: 2m
+linters:
+  enable:
+    #- golint
+    - interfacer
+    - unconvert
+    #- dupl
+    - goconst
+    - gofmt
+    - misspell
+    - maligned
+    - unparam
+    - nakedret
+    - prealloc
+    #- gosec
+linters-settings:
+  misspell:
+    locale: US
+issues:
+  max-same: 0
+  max-per-linter: 0
+  exclude-use-default: false
+  exclude:
+    # gosec: Duplicated errcheck checks
+    - G104

src/vendor/github.com/golang-migrate/migrate/v4/.travis.yml

@@ -0,0 +1,143 @@
+language: go
+sudo: required
+
+matrix:
+  allow_failures:
+    - go: master
+  include:
+    # Supported versions of Go: https://golang.org/dl/
+    - go: "1.13.x"
+    - go: "1.14.x"
+    - go: master
+
+go_import_path: github.com/golang-migrate/migrate
+
+env:
+  global:
+    - GO111MODULE=on
+    - MIGRATE_TEST_CONTAINER_BOOT_TIMEOUT=60
+    - DOCKER_USERNAME=golangmigrate
+    -   secure: "oSOznzUrgr5h45qW4PONkREpisPAt40tnM+KFWtS/Ggu5UI2Ie0CmyYXWuBjbt7B97a4yN9Qzmn8FxJHJ7kk+ABOi3muhkxeIhr6esXbzHhX/Jhv0mj1xkzX7KoVN9oHBz3cOI/QeRyEAO68xjDHNE2kby4RTT9VBt6TQUakKVkqI5qkqLBTADepCjVC+9XhxVxUNyeWKU8ormaUfJBjoNVoDlwXekUPnJenfmfZqXxUInvBCfUyp7Pq+kurBORmg4yc6qOlRYuK67Xw+i5xpjbZouNlXPk0rq7pPy5zjhmZQ3kImoFPvNMeKViDcI6kSIJKtjdhms9/g/6MgXS9HlL5kFy8tYKbsyiHnHB1BsvaLAKXctbUZFDPstgMPADfnad2kZXPrNqIhfWKZrGRWidawCYJ1sKKwYxLMKrtA0umqgMoL90MmBOELhuGmvMV0cFJB+zo+K2YWjEiMGd8xRb5mC5aAy0ZcCehO46jGtpr217EJmMF8Ywr7cFqM2Shg5U2jev9qUpYiXwmPnJKDuoT2ZHuHmPgFIkYiWC5yeJnnmG5bed1sKBp93AFrJX+1Rx5oC4BpNegewmBZKpOSwls/D1uMAeQK3dPmQHLsT6o2VBLfeDGr+zY0R85ywwPZCv00vGol02zYoTqN7eFqr6Qhjr/qx5K1nnxJdFK3Ts="
+
+services:
+  - docker
+
+cache:
+  directories:
+    - $GOPATH/pkg
+
+
+before_install:
+  # Update docker to latest version: https://docs.travis-ci.com/user/docker/#installing-a-newer-docker-version
+  - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+  - sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+  - sudo apt-get update
+  - sudo apt-get -y -o Dpkg::Options::="--force-confnew" install docker-ce
+  # Install golangci-lint
+  - curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin v1.24.0
+  - echo "TRAVIS_GO_VERSION=${TRAVIS_GO_VERSION}"
+  # Install seabolt for Neo4j
+  - sudo apt-get install -y libssl1.0.0
+  - wget https://github.com/neo4j-drivers/seabolt/releases/download/v1.7.4/seabolt-1.7.4-Linux-ubuntu-$(lsb_release -rs).deb
+  - sudo dpkg -i seabolt-1.7.4-Linux-ubuntu-$(lsb_release -rs).deb
+  - rm seabolt-1.7.4-Linux-ubuntu-$(lsb_release -rs).deb
+
+install:
+  - go get github.com/mattn/goveralls
+
+script:
+  - golangci-lint run
+  - make test COVERAGE_DIR=/tmp/coverage
+
+after_success:
+  - goveralls -service=travis-ci -coverprofile /tmp/coverage/combined.txt
+  - make list-external-deps > dependency_tree.txt && cat dependency_tree.txt
+  - make build-cli
+  - gem install --no-document fpm
+  - fpm -s dir -t deb -n migrate -v "$(git describe --tags 2>/dev/null | cut -c 2-)" --license MIT -m dhui@users.noreply.github.com --url https://github.com/golang-migrate/migrate --description='Database migrations' -a amd64 -p migrate.$(git describe --tags 2>/dev/null | cut -c 2-).deb --deb-no-default-config-files -f -C cli/build migrate.linux-amd64=/usr/local/bin/migrate
+
+deploy:
+  - provider: releases
+    api_key:
+      secure: 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
+    skip_cleanup: true
+    on:
+      go: "1.14.x"
+      repo: golang-migrate/migrate
+      tags: true
+    file:
+      - cli/build/migrate.linux-amd64.tar.gz
+      - cli/build/migrate.linux-armv7.tar.gz
+      - cli/build/migrate.linux-arm64.tar.gz
+      - cli/build/migrate.darwin-amd64.tar.gz
+      - cli/build/migrate.windows-amd64.exe.tar.gz
+      - cli/build/migrate.windows-386.exe.tar.gz
+      - cli/build/sha256sum.txt
+      - dependency_tree.txt
+  - provider: packagecloud
+    repository: migrate
+    username: golang-migrate
+    token:
+      secure: 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
+    dist: ubuntu/xenial
+    package_glob: '*.deb'
+    skip_cleanup: true
+    on:
+      go: "1.14.x"
+      repo: golang-migrate/migrate
+      tags: true
+  - provider: packagecloud
+    repository: migrate
+    username: golang-migrate
+    token:
+      secure: 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
+    dist: ubuntu/bionic
+    package_glob: '*.deb'
+    skip_cleanup: true
+    on:
+      go: "1.14.x"
+      repo: golang-migrate/migrate
+      tags: true
+  - provider: packagecloud
+    repository: migrate
+    username: golang-migrate
+    token:
+      secure: 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
+    dist: ubuntu/cosmic
+    package_glob: '*.deb'
+    skip_cleanup: true
+    on:
+      go: "1.14.x"
+      repo: golang-migrate/migrate
+      tags: true
+  - provider: packagecloud
+    repository: migrate
+    username: golang-migrate
+    token:
+      secure: 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
+    dist: debian/stretch
+    package_glob: '*.deb'
+    skip_cleanup: true
+    on:
+      go: "1.14.x"
+      repo: golang-migrate/migrate
+      tags: true
+  - provider: packagecloud
+    repository: migrate
+    username: golang-migrate
+    token:
+      secure: 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
+    dist: debian/buster
+    package_glob: '*.deb'
+    skip_cleanup: true
+    on:
+      go: "1.14.x"
+      repo: golang-migrate/migrate
+      tags: true
+  - provider: script
+    script: ./docker-deploy.sh
+    skip_cleanup: true
+    on:
+      go: "1.14.x"
+      repo: golang-migrate/migrate
+      tags: true

src/vendor/github.com/golang-migrate/migrate/v4/CONTRIBUTING.md

@@ -2,8 +2,11 @@
 
   1. Make sure you have a running Docker daemon
      (Install for [MacOS](https://docs.docker.com/docker-for-mac/))
+  1. Use a version of Go that supports [modules](https://golang.org/cmd/go/#hdr-Modules__module_versions__and_more) (e.g. Go 1.11+)
   1. Fork this repo and `git clone` somewhere to `$GOPATH/src/github.com/golang-migrate/migrate`
-  1. Install [dep](https://github.com/golang/dep) and run `dep ensure` to pull dependencies
+      * Ensure that [Go modules are enabled](https://golang.org/cmd/go/#hdr-Preliminary_module_support) (e.g. your repo path or the `GO111MODULE` environment variable are set correctly)
+  1. Install [golangci-lint](https://github.com/golangci/golangci-lint#install)
+  1. Run the linter: `golangci-lint run`
   1. Confirm tests are working: `make test-short`
   1. Write awesome code ...
   1. `make test` to run all tests against all database versions

src/vendor/github.com/golang-migrate/migrate/v4/Dockerfile

@@ -0,0 +1,38 @@
+FROM golang:1.14-alpine3.11 AS builder
+ARG VERSION
+
+RUN apk add --no-cache git gcc musl-dev
+
+# dependencies for neo4j
+RUN apk add --update --no-cache ca-certificates cmake make g++ openssl-libs-static openssl-dev git curl pkgconfig
+
+# build seabolt for neo4j driver
+RUN git clone --depth 1 -b 1.7 https://github.com/neo4j-drivers/seabolt.git /seabolt
+WORKDIR /seabolt/build
+RUN cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_LIBDIR=lib .. && cmake --build . --target install
+
+WORKDIR /go/src/github.com/golang-migrate/migrate
+
+ENV GO111MODULE=on
+ENV DATABASES="postgres mysql redshift cassandra spanner cockroachdb clickhouse mongodb sqlserver firebird sqlite3 neo4j"
+ENV SOURCES="file go_bindata github github_ee aws_s3 google_cloud_storage godoc_vfs gitlab"
+
+COPY go.mod go.sum ./
+
+RUN go mod download
+
+COPY . ./
+
+RUN go build -a -o build/migrate.linux-386 -ldflags="-s -w -X main.Version=${VERSION}" -tags "$DATABASES $SOURCES" ./cmd/migrate
+
+FROM alpine:3.11
+
+RUN apk add --no-cache ca-certificates
+
+COPY --from=builder /usr/local/lib/libseabolt* /lib/
+
+COPY --from=builder /go/src/github.com/golang-migrate/migrate/build/migrate.linux-386 /usr/local/bin/migrate
+RUN ln -s /usr/local/bin/migrate /migrate
+
+ENTRYPOINT ["migrate"]
+CMD ["--help"]

src/vendor/github.com/golang-migrate/migrate/v4/FAQ.md

@@ -64,4 +64,16 @@
   which prevents attempts to run more migrations on top of a failed migration. You need to manually fix the error
   and then "force" the expected version.
 
+#### What happens if two programs try and update the database at the same time?
+Database-specific locking features are used by *some* database drivers to prevent multiple instances of migrate from running migrations at the same time
+  the same database at the same time. For example, the MySQL driver uses the `GET_LOCK` function, while the Postgres driver uses
+  the `pg_advisory_lock` function.
 
+#### Do I need to create a table for tracking migration version used?
+No, it is done automatically.
+
+#### Can I use migrate with a non-Go project?
+Yes, you can use the migrate CLI in a non-Go project, but there are probably other libraries/frameworks available that offer better test and deploy integrations in that language/framework.
+
+#### I have got an error `Dirty database version 1. Fix and force version`. What should I do?
+Keep calm and refer to [the getting started docs](GETTING_STARTED.md#forcing-your-database-version).

src/vendor/github.com/golang-migrate/migrate/v4/GETTING_STARTED.md

@@ -0,0 +1,53 @@
+# Getting started
+Before you start, you should understand the concept of forward/up and reverse/down database migrations.
+
+Configure a database for your application. Make sure that your database driver is supported [here](README.md#databases)
+
+## Create migrations
+Create some migrations using migrate CLI. Here is an example:
+```
+migrate create -ext sql -dir db/migrations -seq create_users_table
+```
+Once you create your files, you should fill them.
+
+**IMPORTANT:** In a project developed by more than one person there is a chance of migrations inconsistency - e.g. two developers can create conflicting migrations, and the developer that created his migration later gets it merged to the repository first.
+Developers and Teams should keep an eye on such cases (especially during code review).
+[Here](https://github.com/golang-migrate/migrate/issues/179#issuecomment-475821264) is the issue summary if you would like to read more.
+
+Consider making your migrations idempotent - we can run the same sql code twice in a row with the same result. This makes our migrations more robust. On the other hand, it causes slightly less control over database schema - e.g. let's say you forgot to drop the table in down migration. You run down migration - the table is still there. When you run up migration again - `CREATE TABLE` would return an error, helping you find an issue in down migration, while `CREATE TABLE IF NOT EXISTS` would not. Use those conditions wisely.
+
+In case you would like to run several commands/queries in one migration, you should wrap them in a transaction (if your database supports it).
+This way if one of commands fails, our database will remain unchanged.
+
+## Run migrations
+Run your migrations through the CLI or your app and check if they applied expected changes.
+Just to give you an idea:
+```
+migrate -database YOUR_DATBASE_URL -path PATH_TO_YOUR_MIGRATIONS up
+```
+
+Just add the code to your app and you're ready to go!
+
+Before commiting your migrations you should run your migrations up, down, and then up again to see if migrations are working properly both ways.
+(e.g. if you created a table in a migration but reverse migration did not delete it, you will encounter an error when running the forward migration again)
+It's also worth checking your migrations in a separate, containerized environment. You can find some tools in the end of this document.
+
+**IMPORTANT:** If you would like to run multiple instances of your app on different machines be sure to use a database that supports locking when running migrations. Otherwise you may encounter issues.
+
+## Forcing your database version
+In case you run a migration that contained an error, migrate will not let you run other migrations on the same database. You will see an error like `Dirty database version 1. Fix and force version`, even when you fix the erred migration. This means your database was marked as 'dirty'.
+You need to investigate the migration error - was your migration applied partially, or was it not applied at all? Once you know, you should force your database to a version reflecting it's real state. You can do so with `force` command:
+```
+migrate -path PATH_TO_YOUR_MIGRATIONS -database YOUR_DATBASE_URL force VERSION
+```
+Once you force the version and your migration was fixed, your database is 'clean' again and you can proceed with your migrations.
+
+For details and example of usage see [this comment](https://github.com/golang-migrate/migrate/issues/282#issuecomment-530743258).
+
+## Further reading:
+- [PostgreSQL tutorial](database/postgres/TUTORIAL.md)
+- [Best practices](MIGRATIONS.md)
+- [FAQ](FAQ.md)
+- Tools for testing your migrations in a container:
+	- https://github.com/dhui/dktest
+	- https://github.com/ory/dockertest

src/vendor/github.com/golang-migrate/migrate/v4/LICENSE

@@ -1,9 +1,14 @@
 The MIT License (MIT)
 
+Original Work
 Copyright (c) 2016 Matthias Kadenbach
-
 https://github.com/mattes/migrate
 
+Modified Work
+Copyright (c) 2018 Dale Hui
+https://github.com/golang-migrate/migrate
+
+
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights

src/vendor/github.com/golang-migrate/migrate/v4/MIGRATIONS.md

@@ -44,16 +44,21 @@ It is suggested that the version number of corresponding `up` and `down` migrati
 files be equivalent for clarity, but they are allowed to differ so long as the
 relative ordering of the migrations is preserved.
 
-The migration files are permitted to be empty, so in the event that a migration
+The migration files are permitted to be "empty", in the event that a migration
-is a no-op or is irreversible, it is recommended to still include both migration
+is a no-op or is irreversible. It is recommended to still include both migration
-files, and either leaving them empty or adding a comment as appropriate.
+files by making the whole migration file consist of a comment.
+If your database does not support comments, then deleting the migration file will also work.
+Note, an actual empty file (e.g. a 0 byte file) may cause issues with your database since migrate
+will attempt to run an empty query. In this case, deleting the migration file will also work.
+For the rational of this behavior see:
+[#244 (comment)](https://github.com/golang-migrate/migrate/issues/244#issuecomment-510758270)
 
 ## Migration Content Format
 
 The format of the migration files themselves varies between database systems.
 Different databases have different semantics around schema changes and when and
-how they are allowed to occur (for instance, if schema changes can occur within
+how they are allowed to occur
-a transaction).
+(for instance, [if schema changes can occur within a transaction](https://wiki.postgresql.org/wiki/Transactional_DDL_in_PostgreSQL:_A_Competitive_Analysis)).
 
 As such, the `migrate` library has little to no checking around the format of
 migration sources.  The migration files are generally processed directly by the

src/vendor/github.com/golang-migrate/migrate/v4/Makefile

@@ -1,5 +1,6 @@
-SOURCE ?= file go_bindata github aws_s3 google_cloud_storage godoc_vfs
+SOURCE ?= file go_bindata github github_ee aws_s3 google_cloud_storage godoc_vfs gitlab
-DATABASE ?= postgres mysql redshift cassandra spanner cockroachdb clickhouse
+DATABASE ?= postgres mysql redshift cassandra spanner cockroachdb clickhouse mongodb sqlserver firebird
+DATABASE_TEST ?= $(DATABASE) sqlite neo4j
 VERSION ?= $(shell git describe --tags 2>/dev/null | cut -c 2-)
 TEST_FLAGS ?=
 REPO_OWNER ?= $(shell cd .. && basename "$$(pwd)")
@@ -8,9 +9,12 @@ COVERAGE_DIR ?= .coverage
 
 build-cli: clean
 	-mkdir ./cli/build
-	cd ./cli && GOOS=linux GOARCH=amd64 go build -a -o build/migrate.linux-amd64 -ldflags='-X main.Version=$(VERSION) -extldflags "-static"' -tags '$(DATABASE) $(SOURCE)' .
+	cd ./cmd/migrate && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o ../../cli/build/migrate.linux-amd64 -ldflags='-X main.Version=$(VERSION) -extldflags "-static"' -tags '$(DATABASE) $(SOURCE)' .
-	cd ./cli && GOOS=darwin GOARCH=amd64 go build -a -o build/migrate.darwin-amd64 -ldflags='-X main.Version=$(VERSION) -extldflags "-static"' -tags '$(DATABASE) $(SOURCE)' .
+	cd ./cmd/migrate && CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=7 go build -a -o ../../cli/build/migrate.linux-armv7 -ldflags='-X main.Version=$(VERSION) -extldflags "-static"' -tags '$(DATABASE) $(SOURCE)' .
-	cd ./cli && GOOS=windows GOARCH=amd64 go build -a -o build/migrate.windows-amd64.exe -ldflags='-X main.Version=$(VERSION) -extldflags "-static"' -tags '$(DATABASE) $(SOURCE)' .
+	cd ./cmd/migrate && CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -a -o ../../cli/build/migrate.linux-arm64 -ldflags='-X main.Version=$(VERSION) -extldflags "-static"' -tags '$(DATABASE) $(SOURCE)' .
+	cd ./cmd/migrate && CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -a -o ../../cli/build/migrate.darwin-amd64 -ldflags='-X main.Version=$(VERSION) -extldflags "-static"' -tags '$(DATABASE) $(SOURCE)' .
+	cd ./cmd/migrate && CGO_ENABLED=0 GOOS=windows GOARCH=386 go build -a -o ../../cli/build/migrate.windows-386.exe -ldflags='-X main.Version=$(VERSION) -extldflags "-static"' -tags '$(DATABASE) $(SOURCE)' .
+	cd ./cmd/migrate && CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -a -o ../../cli/build/migrate.windows-amd64.exe -ldflags='-X main.Version=$(VERSION) -extldflags "-static"' -tags '$(DATABASE) $(SOURCE)' .
 	cd ./cli/build && find . -name 'migrate*' | xargs -I{} tar czf {}.tar.gz {}
 	cd ./cli/build && shasum -a 256 * > sha256sum.txt
 	cat ./cli/build/sha256sum.txt
@@ -27,26 +31,14 @@ test-short:
 test:
 	@-rm -r $(COVERAGE_DIR)
 	@mkdir $(COVERAGE_DIR)
-	make test-with-flags TEST_FLAGS='-v -race -covermode atomic -coverprofile $$(COVERAGE_DIR)/_$$(RAND).txt -bench=. -benchmem -timeout 20m'
+	make test-with-flags TEST_FLAGS='-v -race -covermode atomic -coverprofile $$(COVERAGE_DIR)/combined.txt -bench=. -benchmem -timeout 20m'
-	@echo 'mode: atomic' > $(COVERAGE_DIR)/combined.txt
-	@cat $(COVERAGE_DIR)/_*.txt | grep -v 'mode: atomic' >> $(COVERAGE_DIR)/combined.txt
 
 
 test-with-flags:
 	@echo SOURCE: $(SOURCE)
-	@echo DATABASE: $(DATABASE)
+	@echo DATABASE_TEST: $(DATABASE_TEST)
 
-	@go test $(TEST_FLAGS) .
+	@go test $(TEST_FLAGS) ./...
-	@go test $(TEST_FLAGS) ./cli/...
-	@go test $(TEST_FLAGS) ./testing/...
-
-	@echo -n '$(SOURCE)' | tr -s ' ' '\n' | xargs -I{} go test $(TEST_FLAGS) ./source/{}
-	@go test $(TEST_FLAGS) ./source/testing/...
-	@go test $(TEST_FLAGS) ./source/stub/...
-
-	@echo -n '$(DATABASE)' | tr -s ' ' '\n' | xargs -I{} go test $(TEST_FLAGS) ./database/{}
-	@go test $(TEST_FLAGS) ./database/testing/...
-	@go test $(TEST_FLAGS) ./database/stub/...
 
 
 kill-orphaned-docker-containers:

src/vendor/github.com/golang-migrate/migrate/v4/README.md

@@ -0,0 +1,182 @@
+[![Build Status](https://img.shields.io/travis/com/golang-migrate/migrate/master.svg)](https://travis-ci.com/golang-migrate/migrate)
+[![GoDoc](https://godoc.org/github.com/golang-migrate/migrate?status.svg)](https://godoc.org/github.com/golang-migrate/migrate)
+[![Coverage Status](https://img.shields.io/coveralls/github/golang-migrate/migrate/master.svg)](https://coveralls.io/github/golang-migrate/migrate?branch=master)
+[![packagecloud.io](https://img.shields.io/badge/deb-packagecloud.io-844fec.svg)](https://packagecloud.io/golang-migrate/migrate?filter=debs)
+[![Docker Pulls](https://img.shields.io/docker/pulls/migrate/migrate.svg)](https://hub.docker.com/r/migrate/migrate/)
+![Supported Go Versions](https://img.shields.io/badge/Go-1.13%2C%201.14-lightgrey.svg)
+[![GitHub Release](https://img.shields.io/github/release/golang-migrate/migrate.svg)](https://github.com/golang-migrate/migrate/releases)
+[![Go Report Card](https://goreportcard.com/badge/github.com/golang-migrate/migrate)](https://goreportcard.com/report/github.com/golang-migrate/migrate)
+
+# migrate
+
+__Database migrations written in Go. Use as [CLI](#cli-usage) or import as [library](#use-in-your-go-project).__
+
+* Migrate reads migrations from [sources](#migration-sources)
+   and applies them in correct order to a [database](#databases).
+* Drivers are "dumb", migrate glues everything together and makes sure the logic is bulletproof.
+   (Keeps the drivers lightweight, too.)
+* Database drivers don't assume things or try to correct user input. When in doubt, fail.
+
+Forked from [mattes/migrate](https://github.com/mattes/migrate)
+
+## Databases
+
+Database drivers run migrations. [Add a new database?](database/driver.go)
+
+* [PostgreSQL](database/postgres)
+* [Redshift](database/redshift)
+* [Ql](database/ql)
+* [Cassandra](database/cassandra)
+* [SQLite](database/sqlite3) ([todo #165](https://github.com/mattes/migrate/issues/165))
+* [MySQL/ MariaDB](database/mysql)
+* [Neo4j](database/neo4j)
+* [MongoDB](database/mongodb)
+* [CrateDB](database/crate) ([todo #170](https://github.com/mattes/migrate/issues/170))
+* [Shell](database/shell) ([todo #171](https://github.com/mattes/migrate/issues/171))
+* [Google Cloud Spanner](database/spanner)
+* [CockroachDB](database/cockroachdb)
+* [ClickHouse](database/clickhouse)
+* [Firebird](database/firebird)
+* [MS SQL Server](database/sqlserver)
+
+### Database URLs
+
+Database connection strings are specified via URLs. The URL format is driver dependent but generally has the form: `dbdriver://username:password@host:port/dbname?option1=true&option2=false`
+
+Any [reserved URL characters](https://en.wikipedia.org/wiki/Percent-encoding#Percent-encoding_reserved_characters) need to be escaped. Note, the `%` character also [needs to be escaped](https://en.wikipedia.org/wiki/Percent-encoding#Percent-encoding_the_percent_character)
+
+Explicitly, the following characters need to be escaped:
+`!`, `#`, `$`, `%`, `&`, `'`, `(`, `)`, `*`, `+`, `,`, `/`, `:`, `;`, `=`, `?`, `@`, `[`, `]`
+
+It's easiest to always run the URL parts of your DB connection URL (e.g. username, password, etc) through an URL encoder. See the example Python snippets below:
+
+```bash
+$ python3 -c 'import urllib.parse; print(urllib.parse.quote(input("String to encode: "), ""))'
+String to encode: FAKEpassword!#$%&'()*+,/:;=?@[]
+FAKEpassword%21%23%24%25%26%27%28%29%2A%2B%2C%2F%3A%3B%3D%3F%40%5B%5D
+$ python2 -c 'import urllib; print urllib.quote(raw_input("String to encode: "), "")'
+String to encode: FAKEpassword!#$%&'()*+,/:;=?@[]
+FAKEpassword%21%23%24%25%26%27%28%29%2A%2B%2C%2F%3A%3B%3D%3F%40%5B%5D
+$
+```
+
+## Migration Sources
+
+Source drivers read migrations from local or remote sources. [Add a new source?](source/driver.go)
+
+* [Filesystem](source/file) - read from filesystem
+* [Go-Bindata](source/go_bindata) - read from embedded binary data ([jteeuwen/go-bindata](https://github.com/jteeuwen/go-bindata))
+* [Github](source/github) - read from remote Github repositories
+* [Github Enterprise](source/github_ee) - read from remote Github Enterprise repositories
+* [Gitlab](source/gitlab) - read from remote Gitlab repositories
+* [AWS S3](source/aws_s3) - read from Amazon Web Services S3
+* [Google Cloud Storage](source/google_cloud_storage) - read from Google Cloud Platform Storage
+
+## CLI usage
+
+* Simple wrapper around this library.
+* Handles ctrl+c (SIGINT) gracefully.
+* No config search paths, no config files, no magic ENV var injections.
+
+__[CLI Documentation](cmd/migrate)__
+
+### Basic usage
+
+```bash
+$ migrate -source file://path/to/migrations -database postgres://localhost:5432/database up 2
+```
+
+### Docker usage
+
+```bash
+$ docker run -v {{ migration dir }}:/migrations --network host migrate/migrate
+    -path=/migrations/ -database postgres://localhost:5432/database up 2
+```
+
+## Use in your Go project
+
+* API is stable and frozen for this release (v3 & v4).
+* Uses [Go modules](https://golang.org/cmd/go/#hdr-Modules__module_versions__and_more) to manage dependencies.
+* To help prevent database corruptions, it supports graceful stops via `GracefulStop chan bool`.
+* Bring your own logger.
+* Uses `io.Reader` streams internally for low memory overhead.
+* Thread-safe and no goroutine leaks.
+
+__[Go Documentation](https://godoc.org/github.com/golang-migrate/migrate)__
+
+```go
+import (
+    "github.com/golang-migrate/migrate/v4"
+    _ "github.com/golang-migrate/migrate/v4/database/postgres"
+    _ "github.com/golang-migrate/migrate/v4/source/github"
+)
+
+func main() {
+    m, err := migrate.New(
+        "github://mattes:personal-access-token@mattes/migrate_test",
+        "postgres://localhost:5432/database?sslmode=enable")
+    m.Steps(2)
+}
+```
+
+Want to use an existing database client?
+
+```go
+import (
+    "database/sql"
+    _ "github.com/lib/pq"
+    "github.com/golang-migrate/migrate/v4"
+    "github.com/golang-migrate/migrate/v4/database/postgres"
+    _ "github.com/golang-migrate/migrate/v4/source/file"
+)
+
+func main() {
+    db, err := sql.Open("postgres", "postgres://localhost:5432/database?sslmode=enable")
+    driver, err := postgres.WithInstance(db, &postgres.Config{})
+    m, err := migrate.NewWithDatabaseInstance(
+        "file:///migrations",
+        "postgres", driver)
+    m.Steps(2)
+}
+```
+
+## Getting started
+
+Go to [getting started](GETTING_STARTED.md)
+
+## Tutorials
+
+* [CockroachDB](database/cockroachdb/TUTORIAL.md)
+* [PostgreSQL](database/postgres/TUTORIAL.md)
+
+(more tutorials to come)
+
+## Migration files
+
+Each migration has an up and down migration. [Why?](FAQ.md#why-two-separate-files-up-and-down-for-a-migration)
+
+```bash
+1481574547_create_users_table.up.sql
+1481574547_create_users_table.down.sql
+```
+
+[Best practices: How to write migrations.](MIGRATIONS.md)
+
+## Versions
+
+Version | Supported? | Import | Notes
+--------|------------|--------|------
+**master** | :white_check_mark: | `import "github.com/golang-migrate/migrate/v4"` | New features and bug fixes arrive here first |
+**v4** | :white_check_mark: | `import "github.com/golang-migrate/migrate/v4"` | Used for stable releases |
+**v3** | :x: | `import "github.com/golang-migrate/migrate"` (with package manager) or `import "gopkg.in/golang-migrate/migrate.v3"` (not recommended) | **DO NOT USE** - No longer supported |
+
+## Development and Contributing
+
+Yes, please! [`Makefile`](Makefile) is your friend,
+read the [development guide](CONTRIBUTING.md).
+
+Also have a look at the [FAQ](FAQ.md).
+
+---
+
+Looking for alternatives? [https://awesome-go.com/#database](https://awesome-go.com/#database).

src/vendor/github.com/golang-migrate/migrate/v4/database/driver.go

@@ -7,12 +7,14 @@ package database
 import (
 	"fmt"
 	"io"
-	nurl "net/url"
 	"sync"
+
+	iurl "github.com/golang-migrate/migrate/v4/internal/url"
 )
 
 var (
 	ErrLocked    = fmt.Errorf("can't acquire lock")
+	ErrNotLocked = fmt.Errorf("can't unlock, as not currently locked")
 )
 
 const NilVersion int = -1
@@ -32,7 +34,7 @@ var drivers = make(map[string]Driver)
 //      All other functions are tested by tests in database/testing.
 //      Saves you some time and makes sure all database drivers behave the same way.
 //   5. Call Register in init().
-//   6. Create a migrate/cli/build_<driver-name>.go file
+//   6. Create a internal/cli/build_<driver-name>.go file
 //   7. Add driver name in 'DATABASE' variable in Makefile
 //
 // Guidelines:
@@ -60,7 +62,7 @@ type Driver interface {
 	// all migrations have been run.
 	Unlock() error
 
-	// Run applies a migration to the database. migration is garantueed to be not nil.
+	// Run applies a migration to the database. migration is guaranteed to be not nil.
 	Run(migration io.Reader) error
 
 	// SetVersion saves version and dirty state.
@@ -74,25 +76,23 @@ type Driver interface {
 	Version() (version int, dirty bool, err error)
 
 	// Drop deletes everything in the database.
+	// Note that this is a breaking action, a new call to Open() is necessary to
+	// ensure subsequent calls work as expected.
 	Drop() error
 }
 
 // Open returns a new driver instance.
 func Open(url string) (Driver, error) {
-	u, err := nurl.Parse(url)
+	scheme, err := iurl.SchemeFromURL(url)
 	if err != nil {
 		return nil, err
 	}
 
-	if u.Scheme == "" {
-		return nil, fmt.Errorf("database driver: invalid URL scheme")
-	}
-
 	driversMu.RLock()
-	d, ok := drivers[u.Scheme]
+	d, ok := drivers[scheme]
 	driversMu.RUnlock()
 	if !ok {
-		return nil, fmt.Errorf("database driver: unknown driver %v (forgotten import?)", u.Scheme)
+		return nil, fmt.Errorf("database driver: unknown driver %v (forgotten import?)", scheme)
 	}
 
 	return d.Open(url)

src/vendor/github.com/golang-migrate/migrate/v4/database/postgres/README.md

@@ -5,6 +5,7 @@
 | URL Query  | WithInstance Config | Description |
 |------------|---------------------|-------------|
 | `x-migrations-table` | `MigrationsTable` | Name of the migrations table |
+| `x-statement-timeout` | `StatementTimeout` | Abort any statement that takes more than the specified number of milliseconds |
 | `dbname` | `DatabaseName` | The name of the database to connect to |
 | `search_path` | | This variable specifies the order in which schemas are searched when an object is referenced by a simple name with no schema specified. |
 | `user` | | The user to sign in as |

src/vendor/github.com/golang-migrate/migrate/v4/database/postgres/TUTORIAL.md

@@ -0,0 +1,148 @@
+# PostgreSQL tutorial for beginners
+
+## Create/configure database
+
+For the purpose of this tutorial let's create PostgreSQL database called `example`.
+Our user here is `postgres`, password `password`, and host is `localhost`.
+```
+psql -h localhost -U postgres -w -c "create database example;"
+```
+When using Migrate CLI we need to pass to database URL. Let's export it to a variable for convienience:
+```
+export POSTGRESQL_URL='postgres://postgres:password@localhost:5432/example?sslmode=disable'
+```
+`sslmode=disable` means that the connection with our database will not be encrypted. Enabling it is left as an exercise.
+
+You can find further description of database URLs [here](README.md#database-urls).
+
+## Create migrations
+Let's create table called `users`:
+```
+migrate create -ext sql -dir db/migrations -seq create_users_table
+```
+If there were no errors, we should have two files available under `db/migrations` folder:
+- 000001_create_users_table.down.sql
+- 000001_create_users_table.up.sql
+
+Note the `sql` extension that we provided.
+
+In the `.up.sql` file let's create the table:
+```
+CREATE TABLE IF NOT EXISTS users(
+   user_id serial PRIMARY KEY,
+   username VARCHAR (50) UNIQUE NOT NULL,
+   password VARCHAR (50) NOT NULL,
+   email VARCHAR (300) UNIQUE NOT NULL
+);
+```
+And in the `.down.sql` let's delete it:
+```
+DROP TABLE IF EXISTS users;
+```
+By adding `IF EXISTS/IF NOT EXISTS` we are making migrations idempotent - you can read more about idempotency in [getting started](../../GETTING_STARTED.md#create-migrations)
+
+## Run migrations
+```
+migrate -database ${POSTGRESQL_URL} -path db/migrations up
+```
+Let's check if the table was created properly by running `psql example -c "\d users"`.
+The output you are supposed to see:
+```
+                                    Table "public.users"
+  Column  |          Type          |                        Modifiers                        
+----------+------------------------+---------------------------------------------------------
+ user_id  | integer                | not null default nextval('users_user_id_seq'::regclass)
+ username | character varying(50)  | not null
+ password | character varying(50)  | not null
+ email    | character varying(300) | not null
+Indexes:
+    "users_pkey" PRIMARY KEY, btree (user_id)
+    "users_email_key" UNIQUE CONSTRAINT, btree (email)
+    "users_username_key" UNIQUE CONSTRAINT, btree (username)
+```
+Great! Now let's check if running reverse migration also works:
+```
+migrate -database ${POSTGRESQL_URL} -path db/migrations down
+```
+Make sure to check if your database changed as expected in this case as well.
+
+## Database transactions
+
+To show database transactions usage, let's create another set of migrations by running:
+```
+migrate create -ext sql -dir db/migrations -seq add_mood_to_users
+```
+Again, it should create for us two migrations files:
+- 000002_add_mood_to_users.down.sql
+- 000002_add_mood_to_users.up.sql
+
+In Postgres, when we want our queries to be done in a transaction, we need to wrap it with `BEGIN` and `COMMIT` commands.
+In our example, we are going to add a column to our database that can only accept enumerable values or NULL.
+Migration up:
+```
+BEGIN;
+
+CREATE TYPE enum_mood AS ENUM (
+	'happy',
+	'sad',
+	'neutral'
+);
+ALTER TABLE users ADD COLUMN mood enum_mood;
+
+COMMIT;
+```
+Migration down:
+```
+BEGIN;
+
+ALTER TABLE users DROP COLUMN mood;
+DROP TYPE enum_mood;
+
+COMMIT;
+```
+
+Now we can run our new migration and check the database:
+```
+migrate -database ${POSTGRESQL_URL} -path db/migrations up
+psql example -c "\d users"
+```
+Expected output:
+```
+                                    Table "public.users"
+  Column  |          Type          |                        Modifiers                        
+----------+------------------------+---------------------------------------------------------
+ user_id  | integer                | not null default nextval('users_user_id_seq'::regclass)
+ username | character varying(50)  | not null
+ password | character varying(50)  | not null
+ email    | character varying(300) | not null
+ mood     | enum_mood              | 
+Indexes:
+    "users_pkey" PRIMARY KEY, btree (user_id)
+    "users_email_key" UNIQUE CONSTRAINT, btree (email)
+    "users_username_key" UNIQUE CONSTRAINT, btree (username)
+```
+
+## Optional: Run migrations within your Go app
+Here is a very simple app running migrations for the above configuration:
+```
+import (
+	"log"
+
+	"github.com/golang-migrate/migrate/v4"
+	_ "github.com/golang-migrate/migrate/v4/database/postgres"
+	_ "github.com/golang-migrate/migrate/v4/source/file"
+)
+
+func main() {
+	m, err := migrate.New(
+		"file://db/migrations",
+		"postgres://postgres:postgres@localhost:5432/example?sslmode=disable")
+	if err != nil {
+		log.Fatal(err)
+	}
+	if err := m.Up(); err != nil {
+		log.Fatal(err)
+	}
+}
+```
+You can find details [here](README.md#use-in-your-go-project)

src/vendor/github.com/golang-migrate/migrate/v4/database/postgres/postgres.go

@@ -0,0 +1,386 @@
+// +build go1.9
+
+package postgres
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"io"
+	"io/ioutil"
+	nurl "net/url"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/golang-migrate/migrate/v4"
+	"github.com/golang-migrate/migrate/v4/database"
+	multierror "github.com/hashicorp/go-multierror"
+	"github.com/lib/pq"
+)
+
+func init() {
+	db := Postgres{}
+	database.Register("postgres", &db)
+	database.Register("postgresql", &db)
+}
+
+var DefaultMigrationsTable = "schema_migrations"
+
+var (
+	ErrNilConfig      = fmt.Errorf("no config")
+	ErrNoDatabaseName = fmt.Errorf("no database name")
+	ErrNoSchema       = fmt.Errorf("no schema")
+	ErrDatabaseDirty  = fmt.Errorf("database is dirty")
+)
+
+type Config struct {
+	MigrationsTable  string
+	DatabaseName     string
+	SchemaName       string
+	StatementTimeout time.Duration
+}
+
+type Postgres struct {
+	// Locking and unlocking need to use the same connection
+	conn     *sql.Conn
+	db       *sql.DB
+	isLocked bool
+
+	// Open and WithInstance need to guarantee that config is never nil
+	config *Config
+}
+
+func WithInstance(instance *sql.DB, config *Config) (database.Driver, error) {
+	if config == nil {
+		return nil, ErrNilConfig
+	}
+
+	if err := instance.Ping(); err != nil {
+		return nil, err
+	}
+
+	if config.DatabaseName == "" {
+		query := `SELECT CURRENT_DATABASE()`
+		var databaseName string
+		if err := instance.QueryRow(query).Scan(&databaseName); err != nil {
+			return nil, &database.Error{OrigErr: err, Query: []byte(query)}
+		}
+
+		if len(databaseName) == 0 {
+			return nil, ErrNoDatabaseName
+		}
+
+		config.DatabaseName = databaseName
+	}
+
+	if config.SchemaName == "" {
+		query := `SELECT CURRENT_SCHEMA()`
+		var schemaName string
+		if err := instance.QueryRow(query).Scan(&schemaName); err != nil {
+			return nil, &database.Error{OrigErr: err, Query: []byte(query)}
+		}
+
+		if len(schemaName) == 0 {
+			return nil, ErrNoSchema
+		}
+
+		config.SchemaName = schemaName
+	}
+
+	if len(config.MigrationsTable) == 0 {
+		config.MigrationsTable = DefaultMigrationsTable
+	}
+
+	conn, err := instance.Conn(context.Background())
+
+	if err != nil {
+		return nil, err
+	}
+
+	px := &Postgres{
+		conn:   conn,
+		db:     instance,
+		config: config,
+	}
+
+	if err := px.ensureVersionTable(); err != nil {
+		return nil, err
+	}
+
+	return px, nil
+}
+
+func (p *Postgres) Open(url string) (database.Driver, error) {
+	purl, err := nurl.Parse(url)
+	if err != nil {
+		return nil, err
+	}
+
+	db, err := sql.Open("postgres", migrate.FilterCustomQuery(purl).String())
+	if err != nil {
+		return nil, err
+	}
+
+	migrationsTable := purl.Query().Get("x-migrations-table")
+	statementTimeoutString := purl.Query().Get("x-statement-timeout")
+	statementTimeout := 0
+	if statementTimeoutString != "" {
+		statementTimeout, err = strconv.Atoi(statementTimeoutString)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	px, err := WithInstance(db, &Config{
+		DatabaseName:     purl.Path,
+		MigrationsTable:  migrationsTable,
+		StatementTimeout: time.Duration(statementTimeout) * time.Millisecond,
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return px, nil
+}
+
+func (p *Postgres) Close() error {
+	connErr := p.conn.Close()
+	dbErr := p.db.Close()
+	if connErr != nil || dbErr != nil {
+		return fmt.Errorf("conn: %v, db: %v", connErr, dbErr)
+	}
+	return nil
+}
+
+// https://www.postgresql.org/docs/9.6/static/explicit-locking.html#ADVISORY-LOCKS
+func (p *Postgres) Lock() error {
+	if p.isLocked {
+		return database.ErrLocked
+	}
+
+	aid, err := database.GenerateAdvisoryLockId(p.config.DatabaseName, p.config.SchemaName)
+	if err != nil {
+		return err
+	}
+
+	// This will wait indefinitely until the lock can be acquired.
+	query := `SELECT pg_advisory_lock($1)`
+	if _, err := p.conn.ExecContext(context.Background(), query, aid); err != nil {
+		return &database.Error{OrigErr: err, Err: "try lock failed", Query: []byte(query)}
+	}
+
+	p.isLocked = true
+	return nil
+}
+
+func (p *Postgres) Unlock() error {
+	if !p.isLocked {
+		return nil
+	}
+
+	aid, err := database.GenerateAdvisoryLockId(p.config.DatabaseName, p.config.SchemaName)
+	if err != nil {
+		return err
+	}
+
+	query := `SELECT pg_advisory_unlock($1)`
+	if _, err := p.conn.ExecContext(context.Background(), query, aid); err != nil {
+		return &database.Error{OrigErr: err, Query: []byte(query)}
+	}
+	p.isLocked = false
+	return nil
+}
+
+func (p *Postgres) Run(migration io.Reader) error {
+	migr, err := ioutil.ReadAll(migration)
+	if err != nil {
+		return err
+	}
+	ctx := context.Background()
+	if p.config.StatementTimeout != 0 {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, p.config.StatementTimeout)
+		defer cancel()
+	}
+	// run migration
+	query := string(migr[:])
+	if _, err := p.conn.ExecContext(ctx, query); err != nil {
+		if pgErr, ok := err.(*pq.Error); ok {
+			var line uint
+			var col uint
+			var lineColOK bool
+			if pgErr.Position != "" {
+				if pos, err := strconv.ParseUint(pgErr.Position, 10, 64); err == nil {
+					line, col, lineColOK = computeLineFromPos(query, int(pos))
+				}
+			}
+			message := fmt.Sprintf("migration failed: %s", pgErr.Message)
+			if lineColOK {
+				message = fmt.Sprintf("%s (column %d)", message, col)
+			}
+			if pgErr.Detail != "" {
+				message = fmt.Sprintf("%s, %s", message, pgErr.Detail)
+			}
+			return database.Error{OrigErr: err, Err: message, Query: migr, Line: line}
+		}
+		return database.Error{OrigErr: err, Err: "migration failed", Query: migr}
+	}
+
+	return nil
+}
+
+func computeLineFromPos(s string, pos int) (line uint, col uint, ok bool) {
+	// replace crlf with lf
+	s = strings.Replace(s, "\r\n", "\n", -1)
+	// pg docs: pos uses index 1 for the first character, and positions are measured in characters not bytes
+	runes := []rune(s)
+	if pos > len(runes) {
+		return 0, 0, false
+	}
+	sel := runes[:pos]
+	line = uint(runesCount(sel, newLine) + 1)
+	col = uint(pos - 1 - runesLastIndex(sel, newLine))
+	return line, col, true
+}
+
+const newLine = '\n'
+
+func runesCount(input []rune, target rune) int {
+	var count int
+	for _, r := range input {
+		if r == target {
+			count++
+		}
+	}
+	return count
+}
+
+func runesLastIndex(input []rune, target rune) int {
+	for i := len(input) - 1; i >= 0; i-- {
+		if input[i] == target {
+			return i
+		}
+	}
+	return -1
+}
+
+func (p *Postgres) SetVersion(version int, dirty bool) error {
+	tx, err := p.conn.BeginTx(context.Background(), &sql.TxOptions{})
+	if err != nil {
+		return &database.Error{OrigErr: err, Err: "transaction start failed"}
+	}
+
+	query := `TRUNCATE ` + pq.QuoteIdentifier(p.config.MigrationsTable)
+	if _, err := tx.Exec(query); err != nil {
+		if errRollback := tx.Rollback(); errRollback != nil {
+			err = multierror.Append(err, errRollback)
+		}
+		return &database.Error{OrigErr: err, Query: []byte(query)}
+	}
+
+	// Also re-write the schema version for nil dirty versions to prevent
+	// empty schema version for failed down migration on the first migration
+	// See: https://github.com/golang-migrate/migrate/issues/330
+	if version >= 0 || (version == database.NilVersion && dirty) {
+		query = `INSERT INTO ` + pq.QuoteIdentifier(p.config.MigrationsTable) +
+			` (version, dirty) VALUES ($1, $2)`
+		if _, err := tx.Exec(query, version, dirty); err != nil {
+			if errRollback := tx.Rollback(); errRollback != nil {
+				err = multierror.Append(err, errRollback)
+			}
+			return &database.Error{OrigErr: err, Query: []byte(query)}
+		}
+	}
+
+	if err := tx.Commit(); err != nil {
+		return &database.Error{OrigErr: err, Err: "transaction commit failed"}
+	}
+
+	return nil
+}
+
+func (p *Postgres) Version() (version int, dirty bool, err error) {
+	query := `SELECT version, dirty FROM ` + pq.QuoteIdentifier(p.config.MigrationsTable) + ` LIMIT 1`
+	err = p.conn.QueryRowContext(context.Background(), query).Scan(&version, &dirty)
+	switch {
+	case err == sql.ErrNoRows:
+		return database.NilVersion, false, nil
+
+	case err != nil:
+		if e, ok := err.(*pq.Error); ok {
+			if e.Code.Name() == "undefined_table" {
+				return database.NilVersion, false, nil
+			}
+		}
+		return 0, false, &database.Error{OrigErr: err, Query: []byte(query)}
+
+	default:
+		return version, dirty, nil
+	}
+}
+
+func (p *Postgres) Drop() (err error) {
+	// select all tables in current schema
+	query := `SELECT table_name FROM information_schema.tables WHERE table_schema=(SELECT current_schema()) AND table_type='BASE TABLE'`
+	tables, err := p.conn.QueryContext(context.Background(), query)
+	if err != nil {
+		return &database.Error{OrigErr: err, Query: []byte(query)}
+	}
+	defer func() {
+		if errClose := tables.Close(); errClose != nil {
+			err = multierror.Append(err, errClose)
+		}
+	}()
+
+	// delete one table after another
+	tableNames := make([]string, 0)
+	for tables.Next() {
+		var tableName string
+		if err := tables.Scan(&tableName); err != nil {
+			return err
+		}
+		if len(tableName) > 0 {
+			tableNames = append(tableNames, tableName)
+		}
+	}
+
+	if len(tableNames) > 0 {
+		// delete one by one ...
+		for _, t := range tableNames {
+			query = `DROP TABLE IF EXISTS ` + pq.QuoteIdentifier(t) + ` CASCADE`
+			if _, err := p.conn.ExecContext(context.Background(), query); err != nil {
+				return &database.Error{OrigErr: err, Query: []byte(query)}
+			}
+		}
+	}
+
+	return nil
+}
+
+// ensureVersionTable checks if versions table exists and, if not, creates it.
+// Note that this function locks the database, which deviates from the usual
+// convention of "caller locks" in the Postgres type.
+func (p *Postgres) ensureVersionTable() (err error) {
+	if err = p.Lock(); err != nil {
+		return err
+	}
+
+	defer func() {
+		if e := p.Unlock(); e != nil {
+			if err == nil {
+				err = e
+			} else {
+				err = multierror.Append(err, e)
+			}
+		}
+	}()
+
+	query := `CREATE TABLE IF NOT EXISTS ` + pq.QuoteIdentifier(p.config.MigrationsTable) + ` (version bigint not null primary key, dirty boolean not null)`
+	if _, err = p.conn.ExecContext(context.Background(), query); err != nil {
+		return &database.Error{OrigErr: err, Query: []byte(query)}
+	}
+
+	return nil
+}

src/vendor/github.com/golang-migrate/migrate/v4/database/util.go

@@ -0,0 +1,19 @@
+package database
+
+import (
+	"fmt"
+	"hash/crc32"
+	"strings"
+)
+
+const advisoryLockIDSalt uint = 1486364155
+
+// GenerateAdvisoryLockId inspired by rails migrations, see https://goo.gl/8o9bCT
+func GenerateAdvisoryLockId(databaseName string, additionalNames ...string) (string, error) { // nolint: golint
+	if len(additionalNames) > 0 {
+		databaseName = strings.Join(append(additionalNames, databaseName), "\x00")
+	}
+	sum := crc32.ChecksumIEEE([]byte(databaseName))
+	sum = sum * uint32(advisoryLockIDSalt)
+	return fmt.Sprint(sum), nil
+}

src/vendor/github.com/golang-migrate/migrate/v4/docker-deploy.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
 
 echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin && \
-docker build --build-arg VERSION="$TRAVIS_TAG" . -t migrate/migrate:"$TRAVIS_TAG" && \
+docker build --build-arg VERSION="$TRAVIS_TAG" . -t migrate/migrate -t migrate/migrate:"$TRAVIS_TAG" && \
-docker push migrate/migrate:"$TRAVIS_TAG"
+docker push migrate/migrate:"$TRAVIS_TAG" && docker push migrate/migrate

src/vendor/github.com/golang-migrate/migrate/v4/go.mod

@@ -0,0 +1,64 @@
+module github.com/golang-migrate/migrate/v4
+
+require (
+	cloud.google.com/go v0.53.0 // indirect
+	cloud.google.com/go/spanner v1.2.0
+	cloud.google.com/go/storage v1.5.0
+	github.com/ClickHouse/clickhouse-go v1.3.12
+	github.com/Microsoft/go-winio v0.4.14 // indirect
+	github.com/aws/aws-sdk-go v1.17.7
+	github.com/bitly/go-hostpool v0.0.0-20171023180738-a3a6125de932 // indirect
+	github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 // indirect
+	github.com/cockroachdb/cockroach-go v0.0.0-20190925194419-606b3d062051
+	github.com/cznic/mathutil v0.0.0-20180504122225-ca4c9f2c1369 // indirect
+	github.com/denisenkom/go-mssqldb v0.0.0-20190515213511-eb9f6a1743f3
+	github.com/dhui/dktest v0.3.2
+	github.com/docker/distribution v2.7.1+incompatible // indirect
+	github.com/docker/docker v1.4.2-0.20200213202729-31a86c4ab209
+	github.com/docker/go-units v0.4.0 // indirect
+	github.com/edsrzf/mmap-go v0.0.0-20170320065105-0bce6a688712 // indirect
+	github.com/fsouza/fake-gcs-server v1.17.0
+	github.com/go-sql-driver/mysql v1.5.0
+	github.com/gobuffalo/here v0.6.0
+	github.com/gocql/gocql v0.0.0-20190301043612-f6df8288f9b4
+	github.com/gogo/protobuf v1.3.1 // indirect
+	github.com/golang/snappy v0.0.1 // indirect
+	github.com/google/go-github v17.0.0+incompatible
+	github.com/gorilla/mux v1.7.4 // indirect
+	github.com/hashicorp/go-multierror v1.1.0
+	github.com/jackc/pgconn v1.3.2 // indirect
+	github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0 // indirect
+	github.com/lib/pq v1.3.0
+	github.com/markbates/pkger v0.15.1
+	github.com/mattn/go-sqlite3 v1.10.0
+	github.com/nakagami/firebirdsql v0.0.0-20190310045651-3c02a58cfed8
+	github.com/neo4j-drivers/gobolt v1.7.4 // indirect
+	github.com/neo4j/neo4j-go-driver v1.7.4
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/stretchr/testify v1.4.0
+	github.com/tidwall/pretty v0.0.0-20180105212114-65a9db5fad51 // indirect
+	github.com/xanzy/go-gitlab v0.15.0
+	github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c // indirect
+	github.com/xdg/stringprep v1.0.0 // indirect
+	gitlab.com/nyarla/go-crypt v0.0.0-20160106005555-d9a5dc2b789b // indirect
+	go.mongodb.org/mongo-driver v1.1.0
+	golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073 // indirect
+	golang.org/x/exp v0.0.0-20200213203834-85f925bdd4d0 // indirect
+	golang.org/x/net v0.0.0-20200202094626-16171245cfb2
+	golang.org/x/tools v0.0.0-20200213224642-88e652f7a869
+	google.golang.org/api v0.17.0
+	google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce
+	modernc.org/b v1.0.0 // indirect
+	modernc.org/db v1.0.0 // indirect
+	modernc.org/file v1.0.0 // indirect
+	modernc.org/fileutil v1.0.0 // indirect
+	modernc.org/golex v1.0.0 // indirect
+	modernc.org/internal v1.0.0 // indirect
+	modernc.org/lldb v1.0.0 // indirect
+	modernc.org/ql v1.0.0
+	modernc.org/sortutil v1.1.0 // indirect
+	modernc.org/strutil v1.1.0 // indirect
+	modernc.org/zappy v1.0.0 // indirect
+)
+
+go 1.13

src/vendor/github.com/golang-migrate/migrate/v4/go.sum

@@ -0,0 +1,566 @@
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+modernc.org/internal v1.0.0 h1:XMDsFDcBDsibbBnHB2xzljZ+B1yrOVLEFkKL2u15Glw=
+modernc.org/internal v1.0.0/go.mod h1:VUD/+JAkhCpvkUitlEOnhpVxCgsBI90oTzSCRcqQVSM=
+modernc.org/lldb v1.0.0 h1:6vjDJxQEfhlOLwl4bhpwIz00uyFK4EmSYcbwqwbynsc=
+modernc.org/lldb v1.0.0/go.mod h1:jcRvJGWfCGodDZz8BPwiKMJxGJngQ/5DrRapkQnLob8=
+modernc.org/mathutil v1.0.0 h1:93vKjrJopTPrtTNpZ8XIovER7iCIH1QU7wNbOQXC60I=
+modernc.org/mathutil v1.0.0/go.mod h1:wU0vUrJsVWBZ4P6e7xtFJEhFSNsfRLJ8H458uRjg03k=
+modernc.org/ql v1.0.0 h1:bIQ/trWNVjQPlinI6jdOQsi195SIturGo3mp5hsDqVU=
+modernc.org/ql v1.0.0/go.mod h1:xGVyrLIatPcO2C1JvI/Co8c0sr6y91HKFNy4pt9JXEY=
+modernc.org/sortutil v1.1.0 h1:oP3U4uM+NT/qBQcbg/K2iqAX0Nx7B1b6YZtq3Gk/PjM=
+modernc.org/sortutil v1.1.0/go.mod h1:ZyL98OQHJgH9IEfN71VsamvJgrtRX9Dj2gX+vH86L1k=
+modernc.org/strutil v1.1.0 h1:+1/yCzZxY2pZwwrsbH+4T7BQMoLQ9QiBshRC9eicYsc=
+modernc.org/strutil v1.1.0/go.mod h1:lstksw84oURvj9y3tn8lGvRxyRC1S2+g5uuIzNfIOBs=
+modernc.org/zappy v1.0.0 h1:dPVaP+3ueIUv4guk8PuZ2wiUGcJ1WUVvIheeSSTD0yk=
+modernc.org/zappy v1.0.0/go.mod h1:hHe+oGahLVII/aTTyWK/b53VDHMAGCBYYeZ9sn83HC4=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

src/vendor/github.com/golang-migrate/migrate/v4/internal/url/url.go

@@ -0,0 +1,25 @@
+package url
+
+import (
+	"errors"
+	"strings"
+)
+
+var errNoScheme = errors.New("no scheme")
+var errEmptyURL = errors.New("URL cannot be empty")
+
+// schemeFromURL returns the scheme from a URL string
+func SchemeFromURL(url string) (string, error) {
+	if url == "" {
+		return "", errEmptyURL
+	}
+
+	i := strings.Index(url, ":")
+
+	// No : or : is the first character.
+	if i < 1 {
+		return "", errNoScheme
+	}
+
+	return url[0:i], nil
+}

src/vendor/github.com/golang-migrate/migrate/v4/migrate.go

@@ -5,13 +5,17 @@
 package migrate
 
 import (
+	"errors"
 	"fmt"
 	"os"
 	"sync"
 	"time"
 
-	"github.com/golang-migrate/migrate/database"
+	"github.com/hashicorp/go-multierror"
-	"github.com/golang-migrate/migrate/source"
+
+	"github.com/golang-migrate/migrate/v4/database"
+	iurl "github.com/golang-migrate/migrate/v4/internal/url"
+	"github.com/golang-migrate/migrate/v4/source"
 )
 
 // DefaultPrefetchMigrations sets the number of migrations to pre-read
@@ -25,10 +29,11 @@ var DefaultPrefetchMigrations = uint(10)
 var DefaultLockTimeout = 15 * time.Second
 
 var (
-	ErrNoChange    = fmt.Errorf("no change")
+	ErrNoChange       = errors.New("no change")
-	ErrNilVersion  = fmt.Errorf("no migration")
+	ErrNilVersion     = errors.New("no migration")
-	ErrLocked      = fmt.Errorf("database locked")
+	ErrInvalidVersion = errors.New("version must be >= -1")
-	ErrLockTimeout = fmt.Errorf("timeout: can't acquire database lock")
+	ErrLocked         = errors.New("database locked")
+	ErrLockTimeout    = errors.New("timeout: can't acquire database lock")
 )
 
 // ErrShortLimit is an error returned when not enough migrations
@@ -63,9 +68,9 @@ type Migrate struct {
 	// as soon as possible at a safe break point, so that the database
 	// is not corrupted.
 	GracefulStop chan bool
-	isGracefulStop bool
-
 	isLockedMu   *sync.Mutex
+
+	isGracefulStop bool
 	isLocked       bool
 
 	// PrefetchMigrations defaults to DefaultPrefetchMigrations,
@@ -79,28 +84,28 @@ type Migrate struct {
 
 // New returns a new Migrate instance from a source URL and a database URL.
 // The URL scheme is defined by each driver.
-func New(sourceUrl, databaseUrl string) (*Migrate, error) {
+func New(sourceURL, databaseURL string) (*Migrate, error) {
 	m := newCommon()
 
-	sourceName, err := schemeFromUrl(sourceUrl)
+	sourceName, err := iurl.SchemeFromURL(sourceURL)
 	if err != nil {
 		return nil, err
 	}
 	m.sourceName = sourceName
 
-	databaseName, err := schemeFromUrl(databaseUrl)
+	databaseName, err := iurl.SchemeFromURL(databaseURL)
 	if err != nil {
 		return nil, err
 	}
 	m.databaseName = databaseName
 
-	sourceDrv, err := source.Open(sourceUrl)
+	sourceDrv, err := source.Open(sourceURL)
 	if err != nil {
 		return nil, err
 	}
 	m.sourceDrv = sourceDrv
 
-	databaseDrv, err := database.Open(databaseUrl)
+	databaseDrv, err := database.Open(databaseURL)
 	if err != nil {
 		return nil, err
 	}
@@ -113,10 +118,10 @@ func New(sourceUrl, databaseUrl string) (*Migrate, error) {
 // and an existing database instance. The source URL scheme is defined by each driver.
 // Use any string that can serve as an identifier during logging as databaseName.
 // You are responsible for closing the underlying database client if necessary.
-func NewWithDatabaseInstance(sourceUrl string, databaseName string, databaseInstance database.Driver) (*Migrate, error) {
+func NewWithDatabaseInstance(sourceURL string, databaseName string, databaseInstance database.Driver) (*Migrate, error) {
 	m := newCommon()
 
-	sourceName, err := schemeFromUrl(sourceUrl)
+	sourceName, err := iurl.SchemeFromURL(sourceURL)
 	if err != nil {
 		return nil, err
 	}
@@ -124,7 +129,7 @@ func NewWithDatabaseInstance(sourceUrl string, databaseName string, databaseInst
 
 	m.databaseName = databaseName
 
-	sourceDrv, err := source.Open(sourceUrl)
+	sourceDrv, err := source.Open(sourceURL)
 	if err != nil {
 		return nil, err
 	}
@@ -139,10 +144,10 @@ func NewWithDatabaseInstance(sourceUrl string, databaseName string, databaseInst
 // and a database URL. The database URL scheme is defined by each driver.
 // Use any string that can serve as an identifier during logging as sourceName.
 // You are responsible for closing the underlying source client if necessary.
-func NewWithSourceInstance(sourceName string, sourceInstance source.Driver, databaseUrl string) (*Migrate, error) {
+func NewWithSourceInstance(sourceName string, sourceInstance source.Driver, databaseURL string) (*Migrate, error) {
 	m := newCommon()
 
-	databaseName, err := schemeFromUrl(databaseUrl)
+	databaseName, err := iurl.SchemeFromURL(databaseURL)
 	if err != nil {
 		return nil, err
 	}
@@ -150,7 +155,7 @@ func NewWithSourceInstance(sourceName string, sourceInstance source.Driver, data
 
 	m.sourceName = sourceName
 
-	databaseDrv, err := database.Open(databaseUrl)
+	databaseDrv, err := database.Open(databaseURL)
 	if err != nil {
 		return nil, err
 	}
@@ -186,7 +191,7 @@ func newCommon() *Migrate {
 	}
 }
 
-// Close closes the the source and the database.
+// Close closes the source and the database.
 func (m *Migrate) Close() (source error, database error) {
 	databaseSrvClose := make(chan error)
 	sourceSrvClose := make(chan error)
@@ -345,7 +350,11 @@ func (m *Migrate) Run(migration ...*Migration) error {
 			}
 
 			ret <- migr
-			go migr.Buffer()
+			go func(migr *Migration) {
+				if err := migr.Buffer(); err != nil {
+					m.logErr(err)
+				}
+			}(migr)
 		}
 	}()
 
@@ -357,7 +366,7 @@ func (m *Migrate) Run(migration ...*Migration) error {
 // It resets the dirty state to false.
 func (m *Migrate) Force(version int) error {
 	if version < -1 {
-		panic("version must be >= -1")
+		return ErrInvalidVersion
 	}
 
 	if err := m.lock(); err != nil {
@@ -395,16 +404,16 @@ func (m *Migrate) read(from int, to int, ret chan<- interface{}) {
 
 	// check if from version exists
 	if from >= 0 {
-		if m.versionExists(suint(from)) != nil {
+		if err := m.versionExists(suint(from)); err != nil {
-			ret <- os.ErrNotExist
+			ret <- err
 			return
 		}
 	}
 
 	// check if to version exists
 	if to >= 0 {
-		if m.versionExists(suint(to)) != nil {
+		if err := m.versionExists(suint(to)); err != nil {
-			ret <- os.ErrNotExist
+			ret <- err
 			return
 		}
 	}
@@ -432,7 +441,12 @@ func (m *Migrate) read(from int, to int, ret chan<- interface{}) {
 			}
 
 			ret <- migr
-			go migr.Buffer()
+			go func() {
+				if err := migr.Buffer(); err != nil {
+					m.logErr(err)
+				}
+			}()
+
 			from = int(firstVersion)
 		}
 
@@ -455,7 +469,12 @@ func (m *Migrate) read(from int, to int, ret chan<- interface{}) {
 			}
 
 			ret <- migr
-			go migr.Buffer()
+			go func() {
+				if err := migr.Buffer(); err != nil {
+					m.logErr(err)
+				}
+			}()
+
 			from = int(next)
 		}
 
@@ -476,7 +495,12 @@ func (m *Migrate) read(from int, to int, ret chan<- interface{}) {
 					return
 				}
 				ret <- migr
-				go migr.Buffer()
+				go func() {
+					if err := migr.Buffer(); err != nil {
+						m.logErr(err)
+					}
+				}()
+
 				return
 
 			} else if err != nil {
@@ -491,7 +515,12 @@ func (m *Migrate) read(from int, to int, ret chan<- interface{}) {
 			}
 
 			ret <- migr
-			go migr.Buffer()
+			go func() {
+				if err := migr.Buffer(); err != nil {
+					m.logErr(err)
+				}
+			}()
+
 			from = int(prev)
 		}
 	}
@@ -507,8 +536,8 @@ func (m *Migrate) readUp(from int, limit int, ret chan<- interface{}) {
 
 	// check if from version exists
 	if from >= 0 {
-		if m.versionExists(suint(from)) != nil {
+		if err := m.versionExists(suint(from)); err != nil {
-			ret <- os.ErrNotExist
+			ret <- err
 			return
 		}
 	}
@@ -539,7 +568,11 @@ func (m *Migrate) readUp(from int, limit int, ret chan<- interface{}) {
 			}
 
 			ret <- migr
-			go migr.Buffer()
+			go func() {
+				if err := migr.Buffer(); err != nil {
+					m.logErr(err)
+				}
+			}()
 			from = int(firstVersion)
 			count++
 			continue
@@ -583,7 +616,11 @@ func (m *Migrate) readUp(from int, limit int, ret chan<- interface{}) {
 		}
 
 		ret <- migr
-		go migr.Buffer()
+		go func() {
+			if err := migr.Buffer(); err != nil {
+				m.logErr(err)
+			}
+		}()
 		from = int(next)
 		count++
 	}
@@ -599,8 +636,8 @@ func (m *Migrate) readDown(from int, limit int, ret chan<- interface{}) {
 
 	// check if from version exists
 	if from >= 0 {
-		if m.versionExists(suint(from)) != nil {
+		if err := m.versionExists(suint(from)); err != nil {
-			ret <- os.ErrNotExist
+			ret <- err
 			return
 		}
 	}
@@ -644,7 +681,11 @@ func (m *Migrate) readDown(from int, limit int, ret chan<- interface{}) {
 					return
 				}
 				ret <- migr
-				go migr.Buffer()
+				go func() {
+					if err := migr.Buffer(); err != nil {
+						m.logErr(err)
+					}
+				}()
 				count++
 			}
 
@@ -665,7 +706,11 @@ func (m *Migrate) readDown(from int, limit int, ret chan<- interface{}) {
 		}
 
 		ret <- migr
-		go migr.Buffer()
+		go func() {
+			if err := migr.Buffer(); err != nil {
+				m.logErr(err)
+			}
+		}()
 		from = int(prev)
 		count++
 	}
@@ -684,12 +729,12 @@ func (m *Migrate) runMigrations(ret <-chan interface{}) error {
 			return nil
 		}
 
-		switch r.(type) {
+		switch r := r.(type) {
 		case error:
-			return r.(error)
+			return r
 
 		case *Migration:
-			migr := r.(*Migration)
+			migr := r
 
 			// set version with dirty state
 			if err := m.databaseDrv.SetVersion(migr.TargetVersion, true); err != nil {
@@ -722,7 +767,7 @@ func (m *Migrate) runMigrations(ret <-chan interface{}) error {
 			}
 
 		default:
-			panic("unknown type")
+			return fmt.Errorf("unknown type: %T with value: %+v", r, r)
 		}
 	}
 	return nil
@@ -730,11 +775,15 @@ func (m *Migrate) runMigrations(ret <-chan interface{}) error {
 
 // versionExists checks the source if either the up or down migration for
 // the specified migration version exists.
-func (m *Migrate) versionExists(version uint) error {
+func (m *Migrate) versionExists(version uint) (result error) {
 	// try up migration first
 	up, _, err := m.sourceDrv.ReadUp(version)
 	if err == nil {
-		defer up.Close()
+		defer func() {
+			if errClose := up.Close(); errClose != nil {
+				result = multierror.Append(result, errClose)
+			}
+		}()
 	}
 	if os.IsExist(err) {
 		return nil
@@ -745,7 +794,11 @@ func (m *Migrate) versionExists(version uint) error {
 	// then try down migration
 	down, _, err := m.sourceDrv.ReadDown(version)
 	if err == nil {
-		defer down.Close()
+		defer func() {
+			if errClose := down.Close(); errClose != nil {
+				result = multierror.Append(result, errClose)
+			}
+		}()
 	}
 	if os.IsExist(err) {
 		return nil
@@ -753,6 +806,7 @@ func (m *Migrate) versionExists(version uint) error {
 		return err
 	}
 
+	m.logErr(fmt.Errorf("no migration found for version %d", version))
 	return os.ErrNotExist
 }
 
@@ -869,10 +923,9 @@ func (m *Migrate) lock() error {
 		} else {
 			errchan <- nil
 		}
-		return
 	}()
 
-	// wait until we either recieve ErrLockTimeout or error from Lock operation
+	// wait until we either receive ErrLockTimeout or error from Lock operation
 	err := <-errchan
 	if err == nil {
 		m.isLocked = true
@@ -900,7 +953,7 @@ func (m *Migrate) unlock() error {
 // if a prevErr is not nil.
 func (m *Migrate) unlockErr(prevErr error) error {
 	if err := m.unlock(); err != nil {
-		return NewMultiError(prevErr, err)
+		return multierror.Append(prevErr, err)
 	}
 	return prevErr
 }
@@ -918,3 +971,10 @@ func (m *Migrate) logVerbosePrintf(format string, v ...interface{}) {
 		m.Log.Printf(format, v...)
 	}
 }
+
+// logErr writes error to m.Log if not nil
+func (m *Migrate) logErr(err error) {
+	if m.Log != nil {
+		m.Log.Printf("error: %v", err)
+	}
+}

src/vendor/github.com/golang-migrate/migrate/v4/migration.go

@@ -129,7 +129,9 @@ func (m *Migration) Buffer() error {
 
 	// start reading from body, peek won't move the read pointer though
 	// poor man's solution?
-	b.Peek(int(m.BufferSize))
+	if _, err := b.Peek(int(m.BufferSize)); err != nil && err != io.EOF {
+		return err
+	}
 
 	m.FinishedBuffering = time.Now()
 
@@ -145,10 +147,14 @@ func (m *Migration) Buffer() error {
 
 	// close bufferWriter so Buffer knows that there is no
 	// more data coming
-	m.bufferWriter.Close()
+	if err := m.bufferWriter.Close(); err != nil {
+		return err
+	}
 
 	// it's safe to close the Body too
-	m.Body.Close()
+	if err := m.Body.Close(); err != nil {
+		return err
+	}
 
 	return nil
 }

src/vendor/github.com/golang-migrate/migrate/v4/source/errors.go

@@ -0,0 +1,15 @@
+package source
+
+import "os"
+
+// ErrDuplicateMigration is an error type for reporting duplicate migration
+// files.
+type ErrDuplicateMigration struct {
+	Migration
+	os.FileInfo
+}
+
+// Error implements error interface.
+func (e ErrDuplicateMigration) Error() string {
+	return "duplicate migration file: " + e.Name()
+}

src/vendor/github.com/golang-migrate/migrate/v4/source/file/file.go

@@ -0,0 +1,61 @@
+package file
+
+import (
+	"net/http"
+	nurl "net/url"
+	"os"
+	"path/filepath"
+
+	"github.com/golang-migrate/migrate/v4/source"
+	"github.com/golang-migrate/migrate/v4/source/httpfs"
+)
+
+func init() {
+	source.Register("file", &File{})
+}
+
+type File struct {
+	httpfs.PartialDriver
+	url  string
+	path string
+}
+
+func (f *File) Open(url string) (source.Driver, error) {
+	u, err := nurl.Parse(url)
+	if err != nil {
+		return nil, err
+	}
+
+	// concat host and path to restore full path
+	// host might be `.`
+	p := u.Opaque
+	if len(p) == 0 {
+		p = u.Host + u.Path
+	}
+
+	if len(p) == 0 {
+		// default to current directory if no path
+		wd, err := os.Getwd()
+		if err != nil {
+			return nil, err
+		}
+		p = wd
+
+	} else if p[0:1] == "." || p[0:1] != "/" {
+		// make path absolute if relative
+		abs, err := filepath.Abs(p)
+		if err != nil {
+			return nil, err
+		}
+		p = abs
+	}
+
+	nf := &File{
+		url:  url,
+		path: p,
+	}
+	if err := nf.Init(http.Dir(p), ""); err != nil {
+		return nil, err
+	}
+	return nf, nil
+}

src/vendor/github.com/golang-migrate/migrate/v4/source/httpfs/README.md

@@ -0,0 +1,49 @@
+# httpfs
+
+## Usage
+
+This package could be used to create new migration source drivers that uses
+`http.FileSystem` to read migration files.
+
+Struct `httpfs.PartialDriver` partly implements the `source.Driver` interface. It has all
+the methods except for `Open()`. Embedding this struct and adding `Open()` method
+allows users of this package to create new migration sources. Example:
+
+```go
+struct mydriver {
+        httpfs.PartialDriver
+}
+
+func (d *mydriver) Open(url string) (source.Driver, error) {
+	var fs http.FileSystem
+	var path string
+	var ds mydriver
+
+	// acquire fs and path from url
+	// set-up ds if necessary
+
+	if err := ds.Init(fs, path); err != nil {
+		return nil, err
+	}
+	return &ds, nil
+}
+```
+
+This package also provides a simple `source.Driver` implementation that works
+with `http.FileSystem` provided by the user of this package. It is created with
+`httpfs.New()` call.
+
+Example of using `http.Dir()` to read migrations from `sql` directory:
+
+```go
+	src, err := httpfs.New(http.Dir("sql")
+	if err != nil {
+		// do something
+	}
+	m, err := migrate.NewWithSourceInstance("httpfs", src, "database://url")
+	if err != nil {
+		// do something
+	}
+        err = m.Up()
+	...
+```

src/vendor/github.com/golang-migrate/migrate/v4/source/httpfs/driver.go

@@ -0,0 +1,31 @@
+package httpfs
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/golang-migrate/migrate/v4/source"
+)
+
+// driver is a migration source driver for reading migrations from
+// http.FileSystem instances. It implements source.Driver interface and can be
+// used as a migration source for the main migrate library.
+type driver struct {
+	PartialDriver
+}
+
+// New creates a new migrate source driver from a http.FileSystem instance and a
+// relative path to migration files within the virtual FS.
+func New(fs http.FileSystem, path string) (source.Driver, error) {
+	var d driver
+	if err := d.Init(fs, path); err != nil {
+		return nil, err
+	}
+	return &d, nil
+}
+
+// Open completes the implementetion of source.Driver interface. Other methods
+// are implemented by the embedded PartialDriver struct.
+func (d *driver) Open(url string) (source.Driver, error) {
+	return nil, errors.New("Open() cannot be called on the httpfs passthrough driver")
+}

src/vendor/github.com/golang-migrate/migrate/v4/source/httpfs/partial_driver.go

@@ -0,0 +1,138 @@
+package httpfs
+
+import (
+	"io"
+	"net/http"
+	"os"
+	"path"
+	"strconv"
+
+	"github.com/golang-migrate/migrate/v4/source"
+)
+
+// PartialDriver is a helper service for creating new source drivers working with
+// http.FileSystem instances. It implements all source.Driver interface methods
+// except for Open(). New driver could embed this struct and add missing Open()
+// method.
+//
+// To prepare PartialDriver for use Init() function.
+type PartialDriver struct {
+	migrations *source.Migrations
+	fs         http.FileSystem
+	path       string
+}
+
+// Init prepares not initialized PartialDriver instance to read migrations from a
+// http.FileSystem instance and a relative path.
+func (p *PartialDriver) Init(fs http.FileSystem, path string) error {
+	root, err := fs.Open(path)
+	if err != nil {
+		return err
+	}
+
+	files, err := root.Readdir(0)
+	if err != nil {
+		_ = root.Close()
+		return err
+	}
+	if err = root.Close(); err != nil {
+		return err
+	}
+
+	ms := source.NewMigrations()
+	for _, file := range files {
+		if file.IsDir() {
+			continue
+		}
+
+		m, err := source.DefaultParse(file.Name())
+		if err != nil {
+			continue // ignore files that we can't parse
+		}
+
+		if !ms.Append(m) {
+			return source.ErrDuplicateMigration{
+				Migration: *m,
+				FileInfo:  file,
+			}
+		}
+	}
+
+	p.fs = fs
+	p.path = path
+	p.migrations = ms
+	return nil
+}
+
+// Close is part of source.Driver interface implementation. This is a no-op.
+func (p *PartialDriver) Close() error {
+	return nil
+}
+
+// First is part of source.Driver interface implementation.
+func (p *PartialDriver) First() (version uint, err error) {
+	if version, ok := p.migrations.First(); ok {
+		return version, nil
+	}
+	return 0, &os.PathError{
+		Op:   "first",
+		Path: p.path,
+		Err:  os.ErrNotExist,
+	}
+}
+
+// Prev is part of source.Driver interface implementation.
+func (p *PartialDriver) Prev(version uint) (prevVersion uint, err error) {
+	if version, ok := p.migrations.Prev(version); ok {
+		return version, nil
+	}
+	return 0, &os.PathError{
+		Op:   "prev for version " + strconv.FormatUint(uint64(version), 10),
+		Path: p.path,
+		Err:  os.ErrNotExist,
+	}
+}
+
+// Next is part of source.Driver interface implementation.
+func (p *PartialDriver) Next(version uint) (nextVersion uint, err error) {
+	if version, ok := p.migrations.Next(version); ok {
+		return version, nil
+	}
+	return 0, &os.PathError{
+		Op:   "next for version " + strconv.FormatUint(uint64(version), 10),
+		Path: p.path,
+		Err:  os.ErrNotExist,
+	}
+}
+
+// ReadUp is part of source.Driver interface implementation.
+func (p *PartialDriver) ReadUp(version uint) (r io.ReadCloser, identifier string, err error) {
+	if m, ok := p.migrations.Up(version); ok {
+		body, err := p.fs.Open(path.Join(p.path, m.Raw))
+		if err != nil {
+			return nil, "", err
+		}
+		return body, m.Identifier, nil
+	}
+	return nil, "", &os.PathError{
+		Op:   "read up for version " + strconv.FormatUint(uint64(version), 10),
+		Path: p.path,
+		Err:  os.ErrNotExist,
+	}
+}
+
+// ReadDown is part of source.Driver interface implementation.
+func (p *PartialDriver) ReadDown(version uint) (r io.ReadCloser, identifier string, err error) {
+	if m, ok := p.migrations.Down(version); ok {
+		body, err := p.fs.Open(path.Join(p.path, m.Raw))
+		if err != nil {
+			return nil, "", err
+		}
+		return body, m.Identifier, nil
+	}
+	return nil, "", &os.PathError{
+		Op:   "read down for version " + strconv.FormatUint(uint64(version), 10),
+		Path: p.path,
+		Err:  os.ErrNotExist,
+	}
+}

src/vendor/github.com/golang-migrate/migrate/v4/source/migration.go

@@ -67,7 +67,7 @@ func (i *Migrations) Append(m *Migration) (ok bool) {
 
 func (i *Migrations) buildIndex() {
 	i.index = make(uintSlice, 0)
-	for version, _ := range i.migrations {
+	for version := range i.migrations {
 		i.index = append(i.index, version)
 	}
 	sort.Sort(i.index)

src/vendor/github.com/golang-migrate/migrate/v4/util.go

@@ -7,11 +7,16 @@ import (
 )
 
 // MultiError holds multiple errors.
+//
+// Deprecated: Use github.com/hashicorp/go-multierror instead
 type MultiError struct {
 	Errs []error
 }
 
 // NewMultiError returns an error type holding multiple errors.
+//
+// Deprecated: Use github.com/hashicorp/go-multierror instead
+//
 func NewMultiError(errs ...error) MultiError {
 	compactErrs := make([]error, 0)
 	for _, e := range errs {
@@ -22,7 +27,7 @@ func NewMultiError(errs ...error) MultiError {
 	return MultiError{compactErrs}
 }
 
-// Error implements error. Mulitple errors are concatenated with 'and's.
+// Error implements error. Multiple errors are concatenated with 'and's.
 func (m MultiError) Error() string {
 	var strs = make([]string, 0)
 	for _, e := range m.Errs {
@@ -43,22 +48,6 @@ func suint(n int) uint {
 	return uint(n)
 }
 
-var errNoScheme = fmt.Errorf("no scheme")
-
-// schemeFromUrl returns the scheme from a URL string
-func schemeFromUrl(url string) (string, error) {
-	u, err := nurl.Parse(url)
-	if err != nil {
-		return "", err
-	}
-
-	if len(u.Scheme) == 0 {
-		return "", errNoScheme
-	}
-
-	return u.Scheme, nil
-}
-
 // FilterCustomQuery filters all query values starting with `x-`
 func FilterCustomQuery(u *nurl.URL) *nurl.URL {
 	ux := *u

src/vendor/github.com/golang/protobuf/proto/lib.go

@@ -393,7 +393,7 @@ func (p *Buffer) Bytes() []byte { return p.buf }
 // than relying on this API.
 //
 // If deterministic serialization is requested, map entries will be sorted
-// by keys in lexographical order. This is an implementation detail and
+// by keys in lexicographical order. This is an implementation detail and
 // subject to change.
 func (p *Buffer) SetDeterministic(deterministic bool) {
 	p.deterministic = deterministic

src/vendor/github.com/golang/protobuf/proto/text.go

@@ -456,6 +456,8 @@ func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error {
 	return nil
 }
 
+var textMarshalerType = reflect.TypeOf((*encoding.TextMarshaler)(nil)).Elem()
+
 // writeAny writes an arbitrary field.
 func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Properties) error {
 	v = reflect.Indirect(v)
@@ -519,8 +521,8 @@ func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Propert
 			// mutating this value.
 			v = v.Addr()
 		}
-		if etm, ok := v.Interface().(encoding.TextMarshaler); ok {
+		if v.Type().Implements(textMarshalerType) {
-			text, err := etm.MarshalText()
+			text, err := v.Interface().(encoding.TextMarshaler).MarshalText()
 			if err != nil {
 				return err
 			}

src/vendor/github.com/gorilla/handlers/.travis.yml

@@ -1,20 +0,0 @@
-language: go
-sudo: false
-
-matrix:
-  include:
-    - go: 1.4
-    - go: 1.5
-    - go: 1.6
-    - go: 1.7
-    - go: 1.8
-    - go: tip
-  allow_failures:
-    - go: tip
-
-script:
-  - go get -t -v ./...
-  - diff -u <(echo -n) <(gofmt -d .)
-  - go vet $(go list ./... | grep -v /vendor/)
-  - go test -v -race ./...
-  

src/vendor/github.com/gorilla/handlers/README.md

@@ -1,6 +1,7 @@
 gorilla/handlers
 ================
-[![GoDoc](https://godoc.org/github.com/gorilla/handlers?status.svg)](https://godoc.org/github.com/gorilla/handlers) [![Build Status](https://travis-ci.org/gorilla/handlers.svg?branch=master)](https://travis-ci.org/gorilla/handlers)
+[![GoDoc](https://godoc.org/github.com/gorilla/handlers?status.svg)](https://godoc.org/github.com/gorilla/handlers)
+[![CircleCI](https://circleci.com/gh/gorilla/handlers.svg?style=svg)](https://circleci.com/gh/gorilla/handlers)
 [![Sourcegraph](https://sourcegraph.com/github.com/gorilla/handlers/-/badge.svg)](https://sourcegraph.com/github.com/gorilla/handlers?badge)
 
 
@@ -25,7 +26,7 @@ with Go's `net/http` package (or any framework supporting `http.Handler`), inclu
 * [**RecoveryHandler**](https://godoc.org/github.com/gorilla/handlers#RecoveryHandler) for recovering from unexpected panics.
 
 Other handlers are documented [on the Gorilla
-website](http://www.gorillatoolkit.org/pkg/handlers).
+website](https://www.gorillatoolkit.org/pkg/handlers).
 
 ## Example
 

src/vendor/github.com/gorilla/handlers/compress.go

@@ -80,6 +80,7 @@ func CompressHandlerLevel(h http.Handler, level int) http.Handler {
 			switch strings.TrimSpace(enc) {
 			case "gzip":
 				w.Header().Set("Content-Encoding", "gzip")
+				r.Header.Del("Accept-Encoding")
 				w.Header().Add("Vary", "Accept-Encoding")
 
 				gw, _ := gzip.NewWriterLevel(w, level)
@@ -111,6 +112,7 @@ func CompressHandlerLevel(h http.Handler, level int) http.Handler {
 				break L
 			case "deflate":
 				w.Header().Set("Content-Encoding", "deflate")
+				r.Header.Del("Accept-Encoding")
 				w.Header().Add("Vary", "Accept-Encoding")
 
 				fw, _ := flate.NewWriter(w, level)

src/vendor/github.com/gorilla/handlers/cors.go

@@ -19,12 +19,14 @@ type cors struct {
 	maxAge                 int
 	ignoreOptions          bool
 	allowCredentials       bool
+	optionStatusCode       int
 }
 
 // OriginValidator takes an origin string and returns whether or not that origin is allowed.
 type OriginValidator func(string) bool
 
 var (
+	defaultCorsOptionStatusCode = 200
 	defaultCorsMethods          = []string{"GET", "HEAD", "POST"}
 	defaultCorsHeaders          = []string{"Accept", "Accept-Language", "Content-Language", "Origin"}
 	// (WebKit/Safari v9 sends the Origin header by default in AJAX requests)
@@ -48,7 +50,10 @@ const (
 func (ch *cors) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	origin := r.Header.Get(corsOriginHeader)
 	if !ch.isOriginAllowed(origin) {
+		if r.Method != corsOptionMethod || ch.ignoreOptions {
 			ch.h.ServeHTTP(w, r)
+		}
+
 		return
 	}
 
@@ -111,18 +116,23 @@ func (ch *cors) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 
 	returnOrigin := origin
+	if ch.allowedOriginValidator == nil && len(ch.allowedOrigins) == 0 {
+		returnOrigin = "*"
+	} else {
 		for _, o := range ch.allowedOrigins {
 			// A configuration of * is different than explicitly setting an allowed
-		// origin. Returning arbitrary origin headers an an access control allow
+			// origin. Returning arbitrary origin headers in an access control allow
 			// origin header is unsafe and is not required by any use case.
 			if o == corsOriginMatchAll {
 				returnOrigin = "*"
 				break
 			}
 		}
+	}
 	w.Header().Set(corsAllowOriginHeader, returnOrigin)
 
 	if r.Method == corsOptionMethod {
+		w.WriteHeader(ch.optionStatusCode)
 		return
 	}
 	ch.h.ServeHTTP(w, r)
@@ -159,7 +169,8 @@ func parseCORSOptions(opts ...CORSOption) *cors {
 	ch := &cors{
 		allowedMethods:   defaultCorsMethods,
 		allowedHeaders:   defaultCorsHeaders,
-		allowedOrigins: []string{corsOriginMatchAll},
+		allowedOrigins:   []string{},
+		optionStatusCode: defaultCorsOptionStatusCode,
 	}
 
 	for _, option := range opts {
@@ -244,7 +255,20 @@ func AllowedOriginValidator(fn OriginValidator) CORSOption {
 	}
 }
 
-// ExposeHeaders can be used to specify headers that are available
+// OptionStatusCode sets a custom status code on the OPTIONS requests.
+// Default behaviour sets it to 200 to reflect best practices. This is option is not mandatory
+// and can be used if you need a custom status code (i.e 204).
+//
+// More informations on the spec:
+// https://fetch.spec.whatwg.org/#cors-preflight-fetch
+func OptionStatusCode(code int) CORSOption {
+	return func(ch *cors) error {
+		ch.optionStatusCode = code
+		return nil
+	}
+}
+
+// ExposedHeaders can be used to specify headers that are available
 // and will not be stripped out by the user-agent.
 func ExposedHeaders(headers []string) CORSOption {
 	return func(ch *cors) error {
@@ -307,6 +331,10 @@ func (ch *cors) isOriginAllowed(origin string) bool {
 		return ch.allowedOriginValidator(origin)
 	}
 
+	if len(ch.allowedOrigins) == 0 {
+		return true
+	}
+
 	for _, allowedOrigin := range ch.allowedOrigins {
 		if allowedOrigin == origin || allowedOrigin == corsOriginMatchAll {
 			return true

src/vendor/github.com/gorilla/handlers/go.mod

@@ -0,0 +1 @@
+module github.com/gorilla/handlers

src/vendor/github.com/gorilla/handlers/handlers.go

@@ -7,15 +7,10 @@ package handlers
 import (
 	"bufio"
 	"fmt"
-	"io"
 	"net"
 	"net/http"
-	"net/url"
 	"sort"
-	"strconv"
 	"strings"
-	"time"
-	"unicode/utf8"
 )
 
 // MethodHandler is an http.Handler that dispatches to a handler whose key in the
@@ -48,59 +43,6 @@ func (h MethodHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	}
 }
 
-// loggingHandler is the http.Handler implementation for LoggingHandlerTo and its
-// friends
-type loggingHandler struct {
-	writer  io.Writer
-	handler http.Handler
-}
-
-// combinedLoggingHandler is the http.Handler implementation for LoggingHandlerTo
-// and its friends
-type combinedLoggingHandler struct {
-	writer  io.Writer
-	handler http.Handler
-}
-
-func (h loggingHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	t := time.Now()
-	logger := makeLogger(w)
-	url := *req.URL
-	h.handler.ServeHTTP(logger, req)
-	writeLog(h.writer, req, url, t, logger.Status(), logger.Size())
-}
-
-func (h combinedLoggingHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	t := time.Now()
-	logger := makeLogger(w)
-	url := *req.URL
-	h.handler.ServeHTTP(logger, req)
-	writeCombinedLog(h.writer, req, url, t, logger.Status(), logger.Size())
-}
-
-func makeLogger(w http.ResponseWriter) loggingResponseWriter {
-	var logger loggingResponseWriter = &responseLogger{w: w, status: http.StatusOK}
-	if _, ok := w.(http.Hijacker); ok {
-		logger = &hijackLogger{responseLogger{w: w, status: http.StatusOK}}
-	}
-	h, ok1 := logger.(http.Hijacker)
-	c, ok2 := w.(http.CloseNotifier)
-	if ok1 && ok2 {
-		return hijackCloseNotifier{logger, h, c}
-	}
-	if ok2 {
-		return &closeNotifyWriter{logger, c}
-	}
-	return logger
-}
-
-type commonLoggingResponseWriter interface {
-	http.ResponseWriter
-	http.Flusher
-	Status() int
-	Size() int
-}
-
 // responseLogger is wrapper of http.ResponseWriter that keeps track of its HTTP
 // status code and body size
 type responseLogger struct {
@@ -165,173 +107,6 @@ type hijackCloseNotifier struct {
 	http.CloseNotifier
 }
 
-const lowerhex = "0123456789abcdef"
-
-func appendQuoted(buf []byte, s string) []byte {
-	var runeTmp [utf8.UTFMax]byte
-	for width := 0; len(s) > 0; s = s[width:] {
-		r := rune(s[0])
-		width = 1
-		if r >= utf8.RuneSelf {
-			r, width = utf8.DecodeRuneInString(s)
-		}
-		if width == 1 && r == utf8.RuneError {
-			buf = append(buf, `\x`...)
-			buf = append(buf, lowerhex[s[0]>>4])
-			buf = append(buf, lowerhex[s[0]&0xF])
-			continue
-		}
-		if r == rune('"') || r == '\\' { // always backslashed
-			buf = append(buf, '\\')
-			buf = append(buf, byte(r))
-			continue
-		}
-		if strconv.IsPrint(r) {
-			n := utf8.EncodeRune(runeTmp[:], r)
-			buf = append(buf, runeTmp[:n]...)
-			continue
-		}
-		switch r {
-		case '\a':
-			buf = append(buf, `\a`...)
-		case '\b':
-			buf = append(buf, `\b`...)
-		case '\f':
-			buf = append(buf, `\f`...)
-		case '\n':
-			buf = append(buf, `\n`...)
-		case '\r':
-			buf = append(buf, `\r`...)
-		case '\t':
-			buf = append(buf, `\t`...)
-		case '\v':
-			buf = append(buf, `\v`...)
-		default:
-			switch {
-			case r < ' ':
-				buf = append(buf, `\x`...)
-				buf = append(buf, lowerhex[s[0]>>4])
-				buf = append(buf, lowerhex[s[0]&0xF])
-			case r > utf8.MaxRune:
-				r = 0xFFFD
-				fallthrough
-			case r < 0x10000:
-				buf = append(buf, `\u`...)
-				for s := 12; s >= 0; s -= 4 {
-					buf = append(buf, lowerhex[r>>uint(s)&0xF])
-				}
-			default:
-				buf = append(buf, `\U`...)
-				for s := 28; s >= 0; s -= 4 {
-					buf = append(buf, lowerhex[r>>uint(s)&0xF])
-				}
-			}
-		}
-	}
-	return buf
-
-}
-
-// buildCommonLogLine builds a log entry for req in Apache Common Log Format.
-// ts is the timestamp with which the entry should be logged.
-// status and size are used to provide the response HTTP status and size.
-func buildCommonLogLine(req *http.Request, url url.URL, ts time.Time, status int, size int) []byte {
-	username := "-"
-	if url.User != nil {
-		if name := url.User.Username(); name != "" {
-			username = name
-		}
-	}
-
-	host, _, err := net.SplitHostPort(req.RemoteAddr)
-
-	if err != nil {
-		host = req.RemoteAddr
-	}
-
-	uri := req.RequestURI
-
-	// Requests using the CONNECT method over HTTP/2.0 must use
-	// the authority field (aka r.Host) to identify the target.
-	// Refer: https://httpwg.github.io/specs/rfc7540.html#CONNECT
-	if req.ProtoMajor == 2 && req.Method == "CONNECT" {
-		uri = req.Host
-	}
-	if uri == "" {
-		uri = url.RequestURI()
-	}
-
-	buf := make([]byte, 0, 3*(len(host)+len(username)+len(req.Method)+len(uri)+len(req.Proto)+50)/2)
-	buf = append(buf, host...)
-	buf = append(buf, " - "...)
-	buf = append(buf, username...)
-	buf = append(buf, " ["...)
-	buf = append(buf, ts.Format("02/Jan/2006:15:04:05 -0700")...)
-	buf = append(buf, `] "`...)
-	buf = append(buf, req.Method...)
-	buf = append(buf, " "...)
-	buf = appendQuoted(buf, uri)
-	buf = append(buf, " "...)
-	buf = append(buf, req.Proto...)
-	buf = append(buf, `" `...)
-	buf = append(buf, strconv.Itoa(status)...)
-	buf = append(buf, " "...)
-	buf = append(buf, strconv.Itoa(size)...)
-	return buf
-}
-
-// writeLog writes a log entry for req to w in Apache Common Log Format.
-// ts is the timestamp with which the entry should be logged.
-// status and size are used to provide the response HTTP status and size.
-func writeLog(w io.Writer, req *http.Request, url url.URL, ts time.Time, status, size int) {
-	buf := buildCommonLogLine(req, url, ts, status, size)
-	buf = append(buf, '\n')
-	w.Write(buf)
-}
-
-// writeCombinedLog writes a log entry for req to w in Apache Combined Log Format.
-// ts is the timestamp with which the entry should be logged.
-// status and size are used to provide the response HTTP status and size.
-func writeCombinedLog(w io.Writer, req *http.Request, url url.URL, ts time.Time, status, size int) {
-	buf := buildCommonLogLine(req, url, ts, status, size)
-	buf = append(buf, ` "`...)
-	buf = appendQuoted(buf, req.Referer())
-	buf = append(buf, `" "`...)
-	buf = appendQuoted(buf, req.UserAgent())
-	buf = append(buf, '"', '\n')
-	w.Write(buf)
-}
-
-// CombinedLoggingHandler return a http.Handler that wraps h and logs requests to out in
-// Apache Combined Log Format.
-//
-// See http://httpd.apache.org/docs/2.2/logs.html#combined for a description of this format.
-//
-// LoggingHandler always sets the ident field of the log to -
-func CombinedLoggingHandler(out io.Writer, h http.Handler) http.Handler {
-	return combinedLoggingHandler{out, h}
-}
-
-// LoggingHandler return a http.Handler that wraps h and logs requests to out in
-// Apache Common Log Format (CLF).
-//
-// See http://httpd.apache.org/docs/2.2/logs.html#common for a description of this format.
-//
-// LoggingHandler always sets the ident field of the log to -
-//
-// Example:
-//
-//  r := mux.NewRouter()
-//  r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-//  	w.Write([]byte("This is a catch-all route"))
-//  })
-//  loggedRouter := handlers.LoggingHandler(os.Stdout, r)
-//  http.ListenAndServe(":1123", loggedRouter)
-//
-func LoggingHandler(out io.Writer, h http.Handler) http.Handler {
-	return loggingHandler{out, h}
-}
-
 // isContentType validates the Content-Type header matches the supplied
 // contentType. That is, its type and subtype match.
 func isContentType(h http.Header, contentType string) bool {

src/vendor/github.com/gorilla/handlers/handlers_go18.go

@@ -19,3 +19,11 @@ func (l *responseLogger) Push(target string, opts *http.PushOptions) error {
 	}
 	return p.Push(target, opts)
 }
+
+func (c *compressResponseWriter) Push(target string, opts *http.PushOptions) error {
+	p, ok := c.ResponseWriter.(http.Pusher)
+	if !ok {
+		return fmt.Errorf("compressResponseWriter does not implement http.Pusher")
+	}
+	return p.Push(target, opts)
+}

src/vendor/github.com/gorilla/handlers/logging.go

@@ -0,0 +1,255 @@
+// Copyright 2013 The Gorilla Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package handlers
+
+import (
+	"io"
+	"net"
+	"net/http"
+	"net/url"
+	"strconv"
+	"time"
+	"unicode/utf8"
+)
+
+// Logging
+
+// LogFormatterParams is the structure any formatter will be handed when time to log comes
+type LogFormatterParams struct {
+	Request    *http.Request
+	URL        url.URL
+	TimeStamp  time.Time
+	StatusCode int
+	Size       int
+}
+
+// LogFormatter gives the signature of the formatter function passed to CustomLoggingHandler
+type LogFormatter func(writer io.Writer, params LogFormatterParams)
+
+// loggingHandler is the http.Handler implementation for LoggingHandlerTo and its
+// friends
+
+type loggingHandler struct {
+	writer    io.Writer
+	handler   http.Handler
+	formatter LogFormatter
+}
+
+func (h loggingHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	t := time.Now()
+	logger := makeLogger(w)
+	url := *req.URL
+
+	h.handler.ServeHTTP(logger, req)
+	if req.MultipartForm != nil {
+		req.MultipartForm.RemoveAll()
+	}
+
+	params := LogFormatterParams{
+		Request:    req,
+		URL:        url,
+		TimeStamp:  t,
+		StatusCode: logger.Status(),
+		Size:       logger.Size(),
+	}
+
+	h.formatter(h.writer, params)
+}
+
+func makeLogger(w http.ResponseWriter) loggingResponseWriter {
+	var logger loggingResponseWriter = &responseLogger{w: w, status: http.StatusOK}
+	if _, ok := w.(http.Hijacker); ok {
+		logger = &hijackLogger{responseLogger{w: w, status: http.StatusOK}}
+	}
+	h, ok1 := logger.(http.Hijacker)
+	c, ok2 := w.(http.CloseNotifier)
+	if ok1 && ok2 {
+		return hijackCloseNotifier{logger, h, c}
+	}
+	if ok2 {
+		return &closeNotifyWriter{logger, c}
+	}
+	return logger
+}
+
+type commonLoggingResponseWriter interface {
+	http.ResponseWriter
+	http.Flusher
+	Status() int
+	Size() int
+}
+
+const lowerhex = "0123456789abcdef"
+
+func appendQuoted(buf []byte, s string) []byte {
+	var runeTmp [utf8.UTFMax]byte
+	for width := 0; len(s) > 0; s = s[width:] {
+		r := rune(s[0])
+		width = 1
+		if r >= utf8.RuneSelf {
+			r, width = utf8.DecodeRuneInString(s)
+		}
+		if width == 1 && r == utf8.RuneError {
+			buf = append(buf, `\x`...)
+			buf = append(buf, lowerhex[s[0]>>4])
+			buf = append(buf, lowerhex[s[0]&0xF])
+			continue
+		}
+		if r == rune('"') || r == '\\' { // always backslashed
+			buf = append(buf, '\\')
+			buf = append(buf, byte(r))
+			continue
+		}
+		if strconv.IsPrint(r) {
+			n := utf8.EncodeRune(runeTmp[:], r)
+			buf = append(buf, runeTmp[:n]...)
+			continue
+		}
+		switch r {
+		case '\a':
+			buf = append(buf, `\a`...)
+		case '\b':
+			buf = append(buf, `\b`...)
+		case '\f':
+			buf = append(buf, `\f`...)
+		case '\n':
+			buf = append(buf, `\n`...)
+		case '\r':
+			buf = append(buf, `\r`...)
+		case '\t':
+			buf = append(buf, `\t`...)
+		case '\v':
+			buf = append(buf, `\v`...)
+		default:
+			switch {
+			case r < ' ':
+				buf = append(buf, `\x`...)
+				buf = append(buf, lowerhex[s[0]>>4])
+				buf = append(buf, lowerhex[s[0]&0xF])
+			case r > utf8.MaxRune:
+				r = 0xFFFD
+				fallthrough
+			case r < 0x10000:
+				buf = append(buf, `\u`...)
+				for s := 12; s >= 0; s -= 4 {
+					buf = append(buf, lowerhex[r>>uint(s)&0xF])
+				}
+			default:
+				buf = append(buf, `\U`...)
+				for s := 28; s >= 0; s -= 4 {
+					buf = append(buf, lowerhex[r>>uint(s)&0xF])
+				}
+			}
+		}
+	}
+	return buf
+
+}
+
+// buildCommonLogLine builds a log entry for req in Apache Common Log Format.
+// ts is the timestamp with which the entry should be logged.
+// status and size are used to provide the response HTTP status and size.
+func buildCommonLogLine(req *http.Request, url url.URL, ts time.Time, status int, size int) []byte {
+	username := "-"
+	if url.User != nil {
+		if name := url.User.Username(); name != "" {
+			username = name
+		}
+	}
+
+	host, _, err := net.SplitHostPort(req.RemoteAddr)
+
+	if err != nil {
+		host = req.RemoteAddr
+	}
+
+	uri := req.RequestURI
+
+	// Requests using the CONNECT method over HTTP/2.0 must use
+	// the authority field (aka r.Host) to identify the target.
+	// Refer: https://httpwg.github.io/specs/rfc7540.html#CONNECT
+	if req.ProtoMajor == 2 && req.Method == "CONNECT" {
+		uri = req.Host
+	}
+	if uri == "" {
+		uri = url.RequestURI()
+	}
+
+	buf := make([]byte, 0, 3*(len(host)+len(username)+len(req.Method)+len(uri)+len(req.Proto)+50)/2)
+	buf = append(buf, host...)
+	buf = append(buf, " - "...)
+	buf = append(buf, username...)
+	buf = append(buf, " ["...)
+	buf = append(buf, ts.Format("02/Jan/2006:15:04:05 -0700")...)
+	buf = append(buf, `] "`...)
+	buf = append(buf, req.Method...)
+	buf = append(buf, " "...)
+	buf = appendQuoted(buf, uri)
+	buf = append(buf, " "...)
+	buf = append(buf, req.Proto...)
+	buf = append(buf, `" `...)
+	buf = append(buf, strconv.Itoa(status)...)
+	buf = append(buf, " "...)
+	buf = append(buf, strconv.Itoa(size)...)
+	return buf
+}
+
+// writeLog writes a log entry for req to w in Apache Common Log Format.
+// ts is the timestamp with which the entry should be logged.
+// status and size are used to provide the response HTTP status and size.
+func writeLog(writer io.Writer, params LogFormatterParams) {
+	buf := buildCommonLogLine(params.Request, params.URL, params.TimeStamp, params.StatusCode, params.Size)
+	buf = append(buf, '\n')
+	writer.Write(buf)
+}
+
+// writeCombinedLog writes a log entry for req to w in Apache Combined Log Format.
+// ts is the timestamp with which the entry should be logged.
+// status and size are used to provide the response HTTP status and size.
+func writeCombinedLog(writer io.Writer, params LogFormatterParams) {
+	buf := buildCommonLogLine(params.Request, params.URL, params.TimeStamp, params.StatusCode, params.Size)
+	buf = append(buf, ` "`...)
+	buf = appendQuoted(buf, params.Request.Referer())
+	buf = append(buf, `" "`...)
+	buf = appendQuoted(buf, params.Request.UserAgent())
+	buf = append(buf, '"', '\n')
+	writer.Write(buf)
+}
+
+// CombinedLoggingHandler return a http.Handler that wraps h and logs requests to out in
+// Apache Combined Log Format.
+//
+// See http://httpd.apache.org/docs/2.2/logs.html#combined for a description of this format.
+//
+// LoggingHandler always sets the ident field of the log to -
+func CombinedLoggingHandler(out io.Writer, h http.Handler) http.Handler {
+	return loggingHandler{out, h, writeCombinedLog}
+}
+
+// LoggingHandler return a http.Handler that wraps h and logs requests to out in
+// Apache Common Log Format (CLF).
+//
+// See http://httpd.apache.org/docs/2.2/logs.html#common for a description of this format.
+//
+// LoggingHandler always sets the ident field of the log to -
+//
+// Example:
+//
+//  r := mux.NewRouter()
+//  r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+//  	w.Write([]byte("This is a catch-all route"))
+//  })
+//  loggedRouter := handlers.LoggingHandler(os.Stdout, r)
+//  http.ListenAndServe(":1123", loggedRouter)
+//
+func LoggingHandler(out io.Writer, h http.Handler) http.Handler {
+	return loggingHandler{out, h, writeLog}
+}
+
+// CustomLoggingHandler provides a way to supply a custom log formatter
+// while taking advantage of the mechanisms in this package
+func CustomLoggingHandler(out io.Writer, h http.Handler, f LogFormatter) http.Handler {
+	return loggingHandler{out, h, f}
+}

src/vendor/github.com/gorilla/handlers/proxy_headers.go

@@ -31,8 +31,8 @@ var (
 // ProxyHeaders inspects common reverse proxy headers and sets the corresponding
 // fields in the HTTP request struct. These are X-Forwarded-For and X-Real-IP
 // for the remote (client) IP address, X-Forwarded-Proto or X-Forwarded-Scheme
-// for the scheme (http|https) and the RFC7239 Forwarded header, which may
+// for the scheme (http|https), X-Forwarded-Host for the host and the RFC7239
-// include both client IPs and schemes.
+// Forwarded header, which may include both client IPs and schemes.
 //
 // NOTE: This middleware should only be used when behind a reverse
 // proxy like nginx, HAProxy or Apache. Reverse proxies that don't (or are

src/vendor/github.com/gorilla/mux/.travis.yml

@@ -1,24 +0,0 @@
-language: go
-
-
-matrix:
-  include:
-    - go: 1.7.x
-    - go: 1.8.x
-    - go: 1.9.x
-    - go: 1.10.x
-    - go: 1.11.x
-    - go: 1.x
-      env: LATEST=true
-    - go: tip
-  allow_failures:
-    - go: tip
-
-install:
-  - # Skip
-
-script:
-  - go get -t -v ./...
-  - diff -u <(echo -n) <(gofmt -d .)
-  - if [[ "$LATEST" = true ]]; then go vet .; fi
-  - go test -v -race ./...

src/vendor/github.com/gorilla/mux/ISSUE_TEMPLATE.md

@@ -1,11 +0,0 @@
-**What version of Go are you running?** (Paste the output of `go version`)
-
-
-**What version of gorilla/mux are you at?** (Paste the output of `git rev-parse HEAD` inside `$GOPATH/src/github.com/gorilla/mux`)
-
-
-**Describe your problem** (and what you have tried so far)
-
-
-**Paste a minimal, runnable, reproduction of your issue below** (use backticks to format it)
-

src/vendor/github.com/gorilla/mux/README.md

@@ -1,10 +1,10 @@
 # gorilla/mux
 
 [![GoDoc](https://godoc.org/github.com/gorilla/mux?status.svg)](https://godoc.org/github.com/gorilla/mux)
-[![Build Status](https://travis-ci.org/gorilla/mux.svg?branch=master)](https://travis-ci.org/gorilla/mux)
+[![CircleCI](https://circleci.com/gh/gorilla/mux.svg?style=svg)](https://circleci.com/gh/gorilla/mux)
 [![Sourcegraph](https://sourcegraph.com/github.com/gorilla/mux/-/badge.svg)](https://sourcegraph.com/github.com/gorilla/mux?badge)
 
-![Gorilla Logo](http://www.gorillatoolkit.org/static/images/gorilla-icon-64.png)
+![Gorilla Logo](https://cloud-cdn.questionable.services/gorilla-icon-64.png)
 
 https://www.gorillatoolkit.org/pkg/mux
 
@@ -25,10 +25,12 @@ The name mux stands for "HTTP request multiplexer". Like the standard `http.Serv
 * [Examples](#examples)
 * [Matching Routes](#matching-routes)
 * [Static Files](#static-files)
+* [Serving Single Page Applications](#serving-single-page-applications) (e.g. React, Vue, Ember.js, etc.)
 * [Registered URLs](#registered-urls)
 * [Walking Routes](#walking-routes)
 * [Graceful Shutdown](#graceful-shutdown)
 * [Middleware](#middleware)
+* [Handling CORS Requests](#handling-cors-requests)
 * [Testing Handlers](#testing-handlers)
 * [Full Example](#full-example)
 
@@ -210,6 +212,93 @@ func main() {
 }
 ```
 
+### Serving Single Page Applications
+
+Most of the time it makes sense to serve your SPA on a separate web server from your API,
+but sometimes it's desirable to serve them both from one place. It's possible to write a simple
+handler for serving your SPA (for use with React Router's [BrowserRouter](https://reacttraining.com/react-router/web/api/BrowserRouter) for example), and leverage
+mux's powerful routing for your API endpoints.
+
+```go
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/gorilla/mux"
+)
+
+// spaHandler implements the http.Handler interface, so we can use it
+// to respond to HTTP requests. The path to the static directory and
+// path to the index file within that static directory are used to
+// serve the SPA in the given static directory.
+type spaHandler struct {
+	staticPath string
+	indexPath  string
+}
+
+// ServeHTTP inspects the URL path to locate a file within the static dir
+// on the SPA handler. If a file is found, it will be served. If not, the
+// file located at the index path on the SPA handler will be served. This
+// is suitable behavior for serving an SPA (single page application).
+func (h spaHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+    // get the absolute path to prevent directory traversal
+	path, err := filepath.Abs(r.URL.Path)
+	if err != nil {
+        // if we failed to get the absolute path respond with a 400 bad request
+        // and stop
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+    // prepend the path with the path to the static directory
+	path = filepath.Join(h.staticPath, path)
+
+    // check whether a file exists at the given path
+	_, err = os.Stat(path)
+	if os.IsNotExist(err) {
+		// file does not exist, serve index.html
+		http.ServeFile(w, r, filepath.Join(h.staticPath, h.indexPath))
+		return
+	} else if err != nil {
+        // if we got an error (that wasn't that the file doesn't exist) stating the
+        // file, return a 500 internal server error and stop
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+    // otherwise, use http.FileServer to serve the static dir
+	http.FileServer(http.Dir(h.staticPath)).ServeHTTP(w, r)
+}
+
+func main() {
+	router := mux.NewRouter()
+
+	router.HandleFunc("/api/health", func(w http.ResponseWriter, r *http.Request) {
+		// an example API handler
+		json.NewEncoder(w).Encode(map[string]bool{"ok": true})
+	})
+
+	spa := spaHandler{staticPath: "build", indexPath: "index.html"}
+	router.PathPrefix("/").Handler(spa)
+
+	srv := &http.Server{
+		Handler: router,
+		Addr:    "127.0.0.1:8000",
+		// Good practice: enforce timeouts for servers you create!
+		WriteTimeout: 15 * time.Second,
+		ReadTimeout:  15 * time.Second,
+	}
+
+	log.Fatal(srv.ListenAndServe())
+}
+```
+
 ### Registered URLs
 
 Now let's see how to build registered URLs.
@@ -491,6 +580,73 @@ r.Use(amw.Middleware)
 
 Note: The handler chain will be stopped if your middleware doesn't call `next.ServeHTTP()` with the corresponding parameters. This can be used to abort a request if the middleware writer wants to. Middlewares _should_ write to `ResponseWriter` if they _are_ going to terminate the request, and they _should not_ write to `ResponseWriter` if they _are not_ going to terminate it.
 
+### Handling CORS Requests
+
+[CORSMethodMiddleware](https://godoc.org/github.com/gorilla/mux#CORSMethodMiddleware) intends to make it easier to strictly set the `Access-Control-Allow-Methods` response header.
+
+* You will still need to use your own CORS handler to set the other CORS headers such as `Access-Control-Allow-Origin`
+* The middleware will set the `Access-Control-Allow-Methods` header to all the method matchers (e.g. `r.Methods(http.MethodGet, http.MethodPut, http.MethodOptions)` -> `Access-Control-Allow-Methods: GET,PUT,OPTIONS`) on a route
+* If you do not specify any methods, then:
+> _Important_: there must be an `OPTIONS` method matcher for the middleware to set the headers.
+
+Here is an example of using `CORSMethodMiddleware` along with a custom `OPTIONS` handler to set all the required CORS headers:
+
+```go
+package main
+
+import (
+	"net/http"
+	"github.com/gorilla/mux"
+)
+
+func main() {
+    r := mux.NewRouter()
+
+    // IMPORTANT: you must specify an OPTIONS method matcher for the middleware to set CORS headers
+    r.HandleFunc("/foo", fooHandler).Methods(http.MethodGet, http.MethodPut, http.MethodPatch, http.MethodOptions)
+    r.Use(mux.CORSMethodMiddleware(r))
+    
+    http.ListenAndServe(":8080", r)
+}
+
+func fooHandler(w http.ResponseWriter, r *http.Request) {
+    w.Header().Set("Access-Control-Allow-Origin", "*")
+    if r.Method == http.MethodOptions {
+        return
+    }
+
+    w.Write([]byte("foo"))
+}
+```
+
+And an request to `/foo` using something like:
+
+```bash
+curl localhost:8080/foo -v
+```
+
+Would look like:
+
+```bash
+*   Trying ::1...
+* TCP_NODELAY set
+* Connected to localhost (::1) port 8080 (#0)
+> GET /foo HTTP/1.1
+> Host: localhost:8080
+> User-Agent: curl/7.59.0
+> Accept: */*
+> 
+< HTTP/1.1 200 OK
+< Access-Control-Allow-Methods: GET,PUT,PATCH,OPTIONS
+< Access-Control-Allow-Origin: *
+< Date: Fri, 28 Jun 2019 20:13:30 GMT
+< Content-Length: 3
+< Content-Type: text/plain; charset=utf-8
+< 
+* Connection #0 to host localhost left intact
+foo
+```
+
 ### Testing Handlers
 
 Testing handlers in a Go web application is straightforward, and _mux_ doesn't complicate this any further. Given two files: `endpoints.go` and `endpoints_test.go`, here's how we'd test an application using _mux_.

src/vendor/github.com/gorilla/mux/context.go

@@ -1,18 +0,0 @@
-package mux
-
-import (
-	"context"
-	"net/http"
-)
-
-func contextGet(r *http.Request, key interface{}) interface{} {
-	return r.Context().Value(key)
-}
-
-func contextSet(r *http.Request, key, val interface{}) *http.Request {
-	if val == nil {
-		return r
-	}
-
-	return r.WithContext(context.WithValue(r.Context(), key, val))
-}

src/vendor/github.com/gorilla/mux/doc.go

@@ -295,7 +295,7 @@ A more complex authentication middleware, which maps session token to users, cou
 	r := mux.NewRouter()
 	r.HandleFunc("/", handler)
 
-	amw := authenticationMiddleware{}
+	amw := authenticationMiddleware{tokenUsers: make(map[string]string)}
 	amw.Populate()
 
 	r.Use(amw.Middleware)

src/vendor/github.com/gorilla/mux/go.mod

@@ -1 +1,3 @@
 module github.com/gorilla/mux
+
+go 1.12

src/vendor/github.com/gorilla/mux/middleware.go

@@ -32,37 +32,19 @@ func (r *Router) useInterface(mw middleware) {
 	r.middlewares = append(r.middlewares, mw)
 }
 
-// CORSMethodMiddleware sets the Access-Control-Allow-Methods response header
+// CORSMethodMiddleware automatically sets the Access-Control-Allow-Methods response header
-// on a request, by matching routes based only on paths. It also handles
+// on requests for routes that have an OPTIONS method matcher to all the method matchers on
-// OPTIONS requests, by settings Access-Control-Allow-Methods, and then
+// the route. Routes that do not explicitly handle OPTIONS requests will not be processed
-// returning without calling the next http handler.
+// by the middleware. See examples for usage.
 func CORSMethodMiddleware(r *Router) MiddlewareFunc {
 	return func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
-			var allMethods []string
+			allMethods, err := getAllMethodsForRoute(r, req)
-
-			err := r.Walk(func(route *Route, _ *Router, _ []*Route) error {
-				for _, m := range route.matchers {
-					if _, ok := m.(*routeRegexp); ok {
-						if m.Match(req, &RouteMatch{}) {
-							methods, err := route.GetMethods()
-							if err != nil {
-								return err
-							}
-
-							allMethods = append(allMethods, methods...)
-						}
-						break
-					}
-				}
-				return nil
-			})
-
 			if err == nil {
-				w.Header().Set("Access-Control-Allow-Methods", strings.Join(append(allMethods, "OPTIONS"), ","))
+				for _, v := range allMethods {
-
+					if v == http.MethodOptions {
-				if req.Method == "OPTIONS" {
+						w.Header().Set("Access-Control-Allow-Methods", strings.Join(allMethods, ","))
-					return
+					}
 				}
 			}
 
@@ -70,3 +52,23 @@ func CORSMethodMiddleware(r *Router) MiddlewareFunc {
 		})
 	}
 }
+
+// getAllMethodsForRoute returns all the methods from method matchers matching a given
+// request.
+func getAllMethodsForRoute(r *Router, req *http.Request) ([]string, error) {
+	var allMethods []string
+
+	for _, route := range r.routes {
+		var match RouteMatch
+		if route.Match(req, &match) || match.MatchErr == ErrMethodMismatch {
+			methods, err := route.GetMethods()
+			if err != nil {
+				return nil, err
+			}
+
+			allMethods = append(allMethods, methods...)
+		}
+	}
+
+	return allMethods, nil
+}

src/vendor/github.com/gorilla/mux/mux.go

@@ -5,6 +5,7 @@
 package mux
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"net/http"
@@ -58,8 +59,7 @@ type Router struct {
 
 	// If true, do not clear the request context after handling the request.
 	//
-	// Deprecated: No effect when go1.7+ is used, since the context is stored
+	// Deprecated: No effect, since the context is stored on the request itself.
-	// on the request itself.
 	KeepContext bool
 
 	// Slice of middlewares to be called after a match is found
@@ -111,10 +111,8 @@ func copyRouteConf(r routeConf) routeConf {
 		c.regexp.queries = append(c.regexp.queries, copyRouteRegexp(q))
 	}
 
-	c.matchers = make([]matcher, 0, len(r.matchers))
+	c.matchers = make([]matcher, len(r.matchers))
-	for _, m := range r.matchers {
+	copy(c.matchers, r.matchers)
-		c.matchers = append(c.matchers, m)
-	}
 
 	return c
 }
@@ -197,8 +195,8 @@ func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	var handler http.Handler
 	if r.Match(req, &match) {
 		handler = match.Handler
-		req = setVars(req, match.Vars)
+		req = requestWithVars(req, match.Vars)
-		req = setCurrentRoute(req, match.Route)
+		req = requestWithRoute(req, match.Route)
 	}
 
 	if handler == nil && match.MatchErr == ErrMethodMismatch {
@@ -428,7 +426,7 @@ const (
 
 // Vars returns the route variables for the current request, if any.
 func Vars(r *http.Request) map[string]string {
-	if rv := contextGet(r, varsKey); rv != nil {
+	if rv := r.Context().Value(varsKey); rv != nil {
 		return rv.(map[string]string)
 	}
 	return nil
@@ -440,18 +438,20 @@ func Vars(r *http.Request) map[string]string {
 // after the handler returns, unless the KeepContext option is set on the
 // Router.
 func CurrentRoute(r *http.Request) *Route {
-	if rv := contextGet(r, routeKey); rv != nil {
+	if rv := r.Context().Value(routeKey); rv != nil {
 		return rv.(*Route)
 	}
 	return nil
 }
 
-func setVars(r *http.Request, val interface{}) *http.Request {
+func requestWithVars(r *http.Request, vars map[string]string) *http.Request {
-	return contextSet(r, varsKey, val)
+	ctx := context.WithValue(r.Context(), varsKey, vars)
+	return r.WithContext(ctx)
 }
 
-func setCurrentRoute(r *http.Request, val interface{}) *http.Request {
+func requestWithRoute(r *http.Request, route *Route) *http.Request {
-	return contextSet(r, routeKey, val)
+	ctx := context.WithValue(r.Context(), routeKey, route)
+	return r.WithContext(ctx)
 }
 
 // ----------------------------------------------------------------------------

src/vendor/github.com/gorilla/mux/regexp.go

@@ -181,7 +181,8 @@ func (r *routeRegexp) Match(req *http.Request, match *RouteMatch) bool {
 			}
 		}
 		return r.regexp.MatchString(host)
-	} else {
+	}
+
 	if r.regexpType == regexpTypeQuery {
 		return r.matchQueryString(req)
 	}
@@ -190,12 +191,11 @@ func (r *routeRegexp) Match(req *http.Request, match *RouteMatch) bool {
 		path = req.URL.EscapedPath()
 	}
 	return r.regexp.MatchString(path)
-	}
 }
 
 // url builds a URL part using the given values.
 func (r *routeRegexp) url(values map[string]string) (string, error) {
-	urlValues := make([]interface{}, len(r.varsN))
+	urlValues := make([]interface{}, len(r.varsN), len(r.varsN))
 	for k, v := range r.varsN {
 		value, ok := values[v]
 		if !ok {
@@ -230,14 +230,51 @@ func (r *routeRegexp) getURLQuery(req *http.Request) string {
 		return ""
 	}
 	templateKey := strings.SplitN(r.template, "=", 2)[0]
-	for key, vals := range req.URL.Query() {
+	val, ok := findFirstQueryKey(req.URL.RawQuery, templateKey)
-		if key == templateKey && len(vals) > 0 {
+	if ok {
-			return key + "=" + vals[0]
+		return templateKey + "=" + val
-		}
 	}
 	return ""
 }
 
+// findFirstQueryKey returns the same result as (*url.URL).Query()[key][0].
+// If key was not found, empty string and false is returned.
+func findFirstQueryKey(rawQuery, key string) (value string, ok bool) {
+	query := []byte(rawQuery)
+	for len(query) > 0 {
+		foundKey := query
+		if i := bytes.IndexAny(foundKey, "&;"); i >= 0 {
+			foundKey, query = foundKey[:i], foundKey[i+1:]
+		} else {
+			query = query[:0]
+		}
+		if len(foundKey) == 0 {
+			continue
+		}
+		var value []byte
+		if i := bytes.IndexByte(foundKey, '='); i >= 0 {
+			foundKey, value = foundKey[:i], foundKey[i+1:]
+		}
+		if len(foundKey) < len(key) {
+			// Cannot possibly be key.
+			continue
+		}
+		keyString, err := url.QueryUnescape(string(foundKey))
+		if err != nil {
+			continue
+		}
+		if keyString != key {
+			continue
+		}
+		valueString, err := url.QueryUnescape(string(value))
+		if err != nil {
+			continue
+		}
+		return valueString, true
+	}
+	return "", false
+}
+
 func (r *routeRegexp) matchQueryString(req *http.Request) bool {
 	return r.regexp.MatchString(r.getURLQuery(req))
 }

src/vendor/github.com/gorilla/mux/route.go

@@ -74,7 +74,7 @@ func (r *Route) Match(req *http.Request, match *RouteMatch) bool {
 		return false
 	}
 
-	if match.MatchErr == ErrMethodMismatch {
+	if match.MatchErr == ErrMethodMismatch && r.handler != nil {
 		// We found a route which matches request method, clear MatchErr
 		match.MatchErr = nil
 		// Then override the mis-matched handler
@@ -412,11 +412,30 @@ func (r *Route) Queries(pairs ...string) *Route {
 type schemeMatcher []string
 
 func (m schemeMatcher) Match(r *http.Request, match *RouteMatch) bool {
-	return matchInArray(m, r.URL.Scheme)
+	scheme := r.URL.Scheme
+	// https://golang.org/pkg/net/http/#Request
+	// "For [most] server requests, fields other than Path and RawQuery will be
+	// empty."
+	// Since we're an http muxer, the scheme is either going to be http or https
+	// though, so we can just set it based on the tls termination state.
+	if scheme == "" {
+		if r.TLS == nil {
+			scheme = "http"
+		} else {
+			scheme = "https"
+		}
+	}
+	return matchInArray(m, scheme)
 }
 
 // Schemes adds a matcher for URL schemes.
 // It accepts a sequence of schemes to be matched, e.g.: "http", "https".
+// If the request's URL has a scheme set, it will be matched against.
+// Generally, the URL scheme will only be set if a previous handler set it,
+// such as the ProxyHeaders handler from gorilla/handlers.
+// If unset, the scheme will be determined based on the request's TLS
+// termination state.
+// The first argument to Schemes will be used when constructing a route URL.
 func (r *Route) Schemes(schemes ...string) *Route {
 	for k, v := range schemes {
 		schemes[k] = strings.ToLower(v)
@@ -493,8 +512,8 @@ func (r *Route) Subrouter() *Router {
 // This also works for host variables:
 //
 //     r := mux.NewRouter()
-//     r.Host("{subdomain}.domain.com").
+//     r.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler).
-//       HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler).
+//       Host("{subdomain}.domain.com").
 //       Name("article")
 //
 //     // url.String() will be "http://news.domain.com/articles/technology/42"
@@ -502,6 +521,13 @@ func (r *Route) Subrouter() *Router {
 //                                      "category", "technology",
 //                                      "id", "42")
 //
+// The scheme of the resulting url will be the first argument that was passed to Schemes:
+//
+//     // url.String() will be "https://example.com"
+//     r := mux.NewRouter()
+//     url, err := r.Host("example.com")
+//                  .Schemes("https", "http").URL()
+//
 // All variables defined in the route are required, and their values must
 // conform to the corresponding patterns.
 func (r *Route) URL(pairs ...string) (*url.URL, error) {
@@ -635,7 +661,7 @@ func (r *Route) GetQueriesRegexp() ([]string, error) {
 	if r.regexp.queries == nil {
 		return nil, errors.New("mux: route doesn't have queries")
 	}
-	var queries []string
+	queries := make([]string, 0, len(r.regexp.queries))
 	for _, query := range r.regexp.queries {
 		queries = append(queries, query.regexp.String())
 	}
@@ -654,7 +680,7 @@ func (r *Route) GetQueriesTemplates() ([]string, error) {
 	if r.regexp.queries == nil {
 		return nil, errors.New("mux: route doesn't have queries")
 	}
-	var queries []string
+	queries := make([]string, 0, len(r.regexp.queries))
 	for _, query := range r.regexp.queries {
 		queries = append(queries, query.template)
 	}

src/vendor/github.com/gorilla/mux/test_helpers.go

@@ -15,5 +15,5 @@ import "net/http"
 // can be set by making a route that captures the required variables,
 // starting a server and sending the request to that server.
 func SetURLVars(r *http.Request, val map[string]string) *http.Request {
-	return setVars(r, val)
+	return requestWithVars(r, val)
 }

src/vendor/github.com/hashicorp/errwrap/LICENSE

@@ -0,0 +1,354 @@
+Mozilla Public License, version 2.0
+
+1. Definitions
+
+1.1. “Contributor”
+
+     means each individual or legal entity that creates, contributes to the
+     creation of, or owns Covered Software.
+
+1.2. “Contributor Version”
+
+     means the combination of the Contributions of others (if any) used by a
+     Contributor and that particular Contributor’s Contribution.
+
+1.3. “Contribution”
+
+     means Covered Software of a particular Contributor.
+
+1.4. “Covered Software”
+
+     means Source Code Form to which the initial Contributor has attached the
+     notice in Exhibit A, the Executable Form of such Source Code Form, and
+     Modifications of such Source Code Form, in each case including portions
+     thereof.
+
+1.5. “Incompatible With Secondary Licenses”
+     means
+
+     a. that the initial Contributor has attached the notice described in
+        Exhibit B to the Covered Software; or
+
+     b. that the Covered Software was made available under the terms of version
+        1.1 or earlier of the License, but not also under the terms of a
+        Secondary License.
+
+1.6. “Executable Form”
+
+     means any form of the work other than Source Code Form.
+
+1.7. “Larger Work”
+
+     means a work that combines Covered Software with other material, in a separate
+     file or files, that is not Covered Software.
+
+1.8. “License”
+
+     means this document.
+
+1.9. “Licensable”
+
+     means having the right to grant, to the maximum extent possible, whether at the
+     time of the initial grant or subsequently, any and all of the rights conveyed by
+     this License.
+
+1.10. “Modifications”
+
+     means any of the following:
+
+     a. any file in Source Code Form that results from an addition to, deletion
+        from, or modification of the contents of Covered Software; or
+
+     b. any new file in Source Code Form that contains any Covered Software.
+
+1.11. “Patent Claims” of a Contributor
+
+      means any patent claim(s), including without limitation, method, process,
+      and apparatus claims, in any patent Licensable by such Contributor that
+      would be infringed, but for the grant of the License, by the making,
+      using, selling, offering for sale, having made, import, or transfer of
+      either its Contributions or its Contributor Version.
+
+1.12. “Secondary License”
+
+      means either the GNU General Public License, Version 2.0, the GNU Lesser
+      General Public License, Version 2.1, the GNU Affero General Public
+      License, Version 3.0, or any later versions of those licenses.
+
+1.13. “Source Code Form”
+
+      means the form of the work preferred for making modifications.
+
+1.14. “You” (or “Your”)
+
+      means an individual or a legal entity exercising rights under this
+      License. For legal entities, “You” includes any entity that controls, is
+      controlled by, or is under common control with You. For purposes of this
+      definition, “control” means (a) the power, direct or indirect, to cause
+      the direction or management of such entity, whether by contract or
+      otherwise, or (b) ownership of more than fifty percent (50%) of the
+      outstanding shares or beneficial ownership of such entity.
+
+
+2. License Grants and Conditions
+
+2.1. Grants
+
+     Each Contributor hereby grants You a world-wide, royalty-free,
+     non-exclusive license:
+
+     a. under intellectual property rights (other than patent or trademark)
+        Licensable by such Contributor to use, reproduce, make available,
+        modify, display, perform, distribute, and otherwise exploit its
+        Contributions, either on an unmodified basis, with Modifications, or as
+        part of a Larger Work; and
+
+     b. under Patent Claims of such Contributor to make, use, sell, offer for
+        sale, have made, import, and otherwise transfer either its Contributions
+        or its Contributor Version.
+
+2.2. Effective Date
+
+     The licenses granted in Section 2.1 with respect to any Contribution become
+     effective for each Contribution on the date the Contributor first distributes
+     such Contribution.
+
+2.3. Limitations on Grant Scope
+
+     The licenses granted in this Section 2 are the only rights granted under this
+     License. No additional rights or licenses will be implied from the distribution
+     or licensing of Covered Software under this License. Notwithstanding Section
+     2.1(b) above, no patent license is granted by a Contributor:
+
+     a. for any code that a Contributor has removed from Covered Software; or
+
+     b. for infringements caused by: (i) Your and any other third party’s
+        modifications of Covered Software, or (ii) the combination of its
+        Contributions with other software (except as part of its Contributor
+        Version); or
+
+     c. under Patent Claims infringed by Covered Software in the absence of its
+        Contributions.
+
+     This License does not grant any rights in the trademarks, service marks, or
+     logos of any Contributor (except as may be necessary to comply with the
+     notice requirements in Section 3.4).
+
+2.4. Subsequent Licenses
+
+     No Contributor makes additional grants as a result of Your choice to
+     distribute the Covered Software under a subsequent version of this License
+     (see Section 10.2) or under the terms of a Secondary License (if permitted
+     under the terms of Section 3.3).
+
+2.5. Representation
+
+     Each Contributor represents that the Contributor believes its Contributions
+     are its original creation(s) or it has sufficient rights to grant the
+     rights to its Contributions conveyed by this License.
+
+2.6. Fair Use
+
+     This License is not intended to limit any rights You have under applicable
+     copyright doctrines of fair use, fair dealing, or other equivalents.
+
+2.7. Conditions
+
+     Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
+     Section 2.1.
+
+
+3. Responsibilities
+
+3.1. Distribution of Source Form
+
+     All distribution of Covered Software in Source Code Form, including any
+     Modifications that You create or to which You contribute, must be under the
+     terms of this License. You must inform recipients that the Source Code Form
+     of the Covered Software is governed by the terms of this License, and how
+     they can obtain a copy of this License. You may not attempt to alter or
+     restrict the recipients’ rights in the Source Code Form.
+
+3.2. Distribution of Executable Form
+
+     If You distribute Covered Software in Executable Form then:
+
+     a. such Covered Software must also be made available in Source Code Form,
+        as described in Section 3.1, and You must inform recipients of the
+        Executable Form how they can obtain a copy of such Source Code Form by
+        reasonable means in a timely manner, at a charge no more than the cost
+        of distribution to the recipient; and
+
+     b. You may distribute such Executable Form under the terms of this License,
+        or sublicense it under different terms, provided that the license for
+        the Executable Form does not attempt to limit or alter the recipients’
+        rights in the Source Code Form under this License.
+
+3.3. Distribution of a Larger Work
+
+     You may create and distribute a Larger Work under terms of Your choice,
+     provided that You also comply with the requirements of this License for the
+     Covered Software. If the Larger Work is a combination of Covered Software
+     with a work governed by one or more Secondary Licenses, and the Covered
+     Software is not Incompatible With Secondary Licenses, this License permits
+     You to additionally distribute such Covered Software under the terms of
+     such Secondary License(s), so that the recipient of the Larger Work may, at
+     their option, further distribute the Covered Software under the terms of
+     either this License or such Secondary License(s).
+
+3.4. Notices
+
+     You may not remove or alter the substance of any license notices (including
+     copyright notices, patent notices, disclaimers of warranty, or limitations
+     of liability) contained within the Source Code Form of the Covered
+     Software, except that You may alter any license notices to the extent
+     required to remedy known factual inaccuracies.
+
+3.5. Application of Additional Terms
+
+     You may choose to offer, and to charge a fee for, warranty, support,
+     indemnity or liability obligations to one or more recipients of Covered
+     Software. However, You may do so only on Your own behalf, and not on behalf
+     of any Contributor. You must make it absolutely clear that any such
+     warranty, support, indemnity, or liability obligation is offered by You
+     alone, and You hereby agree to indemnify every Contributor for any
+     liability incurred by such Contributor as a result of warranty, support,
+     indemnity or liability terms You offer. You may include additional
+     disclaimers of warranty and limitations of liability specific to any
+     jurisdiction.
+
+4. Inability to Comply Due to Statute or Regulation
+
+   If it is impossible for You to comply with any of the terms of this License
+   with respect to some or all of the Covered Software due to statute, judicial
+   order, or regulation then You must: (a) comply with the terms of this License
+   to the maximum extent possible; and (b) describe the limitations and the code
+   they affect. Such description must be placed in a text file included with all
+   distributions of the Covered Software under this License. Except to the
+   extent prohibited by statute or regulation, such description must be
+   sufficiently detailed for a recipient of ordinary skill to be able to
+   understand it.
+
+5. Termination
+
+5.1. The rights granted under this License will terminate automatically if You
+     fail to comply with any of its terms. However, if You become compliant,
+     then the rights granted under this License from a particular Contributor
+     are reinstated (a) provisionally, unless and until such Contributor
+     explicitly and finally terminates Your grants, and (b) on an ongoing basis,
+     if such Contributor fails to notify You of the non-compliance by some
+     reasonable means prior to 60 days after You have come back into compliance.
+     Moreover, Your grants from a particular Contributor are reinstated on an
+     ongoing basis if such Contributor notifies You of the non-compliance by
+     some reasonable means, this is the first time You have received notice of
+     non-compliance with this License from such Contributor, and You become
+     compliant prior to 30 days after Your receipt of the notice.
+
+5.2. If You initiate litigation against any entity by asserting a patent
+     infringement claim (excluding declaratory judgment actions, counter-claims,
+     and cross-claims) alleging that a Contributor Version directly or
+     indirectly infringes any patent, then the rights granted to You by any and
+     all Contributors for the Covered Software under Section 2.1 of this License
+     shall terminate.
+
+5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
+     license agreements (excluding distributors and resellers) which have been
+     validly granted by You or Your distributors under this License prior to
+     termination shall survive termination.
+
+6. Disclaimer of Warranty
+
+   Covered Software is provided under this License on an “as is” basis, without
+   warranty of any kind, either expressed, implied, or statutory, including,
+   without limitation, warranties that the Covered Software is free of defects,
+   merchantable, fit for a particular purpose or non-infringing. The entire
+   risk as to the quality and performance of the Covered Software is with You.
+   Should any Covered Software prove defective in any respect, You (not any
+   Contributor) assume the cost of any necessary servicing, repair, or
+   correction. This disclaimer of warranty constitutes an essential part of this
+   License. No use of  any Covered Software is authorized under this License
+   except under this disclaimer.
+
+7. Limitation of Liability
+
+   Under no circumstances and under no legal theory, whether tort (including
+   negligence), contract, or otherwise, shall any Contributor, or anyone who
+   distributes Covered Software as permitted above, be liable to You for any
+   direct, indirect, special, incidental, or consequential damages of any
+   character including, without limitation, damages for lost profits, loss of
+   goodwill, work stoppage, computer failure or malfunction, or any and all
+   other commercial damages or losses, even if such party shall have been
+   informed of the possibility of such damages. This limitation of liability
+   shall not apply to liability for death or personal injury resulting from such
+   party’s negligence to the extent applicable law prohibits such limitation.
+   Some jurisdictions do not allow the exclusion or limitation of incidental or
+   consequential damages, so this exclusion and limitation may not apply to You.
+
+8. Litigation
+
+   Any litigation relating to this License may be brought only in the courts of
+   a jurisdiction where the defendant maintains its principal place of business
+   and such litigation shall be governed by laws of that jurisdiction, without
+   reference to its conflict-of-law provisions. Nothing in this Section shall
+   prevent a party’s ability to bring cross-claims or counter-claims.
+
+9. Miscellaneous
+
+   This License represents the complete agreement concerning the subject matter
+   hereof. If any provision of this License is held to be unenforceable, such
+   provision shall be reformed only to the extent necessary to make it
+   enforceable. Any law or regulation which provides that the language of a
+   contract shall be construed against the drafter shall not be used to construe
+   this License against a Contributor.
+
+
+10. Versions of the License
+
+10.1. New Versions
+
+      Mozilla Foundation is the license steward. Except as provided in Section
+      10.3, no one other than the license steward has the right to modify or
+      publish new versions of this License. Each version will be given a
+      distinguishing version number.
+
+10.2. Effect of New Versions
+
+      You may distribute the Covered Software under the terms of the version of
+      the License under which You originally received the Covered Software, or
+      under the terms of any subsequent version published by the license
+      steward.
+
+10.3. Modified Versions
+
+      If you create software not governed by this License, and you want to
+      create a new license for such software, you may create and use a modified
+      version of this License if you rename the license and remove any
+      references to the name of the license steward (except to note that such
+      modified license differs from this License).
+
+10.4. Distributing Source Code Form that is Incompatible With Secondary Licenses
+      If You choose to distribute Source Code Form that is Incompatible With
+      Secondary Licenses under the terms of this version of the License, the
+      notice described in Exhibit B of this License must be attached.
+
+Exhibit A - Source Code Form License Notice
+
+      This Source Code Form is subject to the
+      terms of the Mozilla Public License, v.
+      2.0. If a copy of the MPL was not
+      distributed with this file, You can
+      obtain one at
+      http://mozilla.org/MPL/2.0/.
+
+If it is not possible or desirable to put the notice in a particular file, then
+You may include the notice in a location (such as a LICENSE file in a relevant
+directory) where a recipient would be likely to look for such a notice.
+
+You may add additional accurate notices of copyright ownership.
+
+Exhibit B - “Incompatible With Secondary Licenses” Notice
+
+      This Source Code Form is “Incompatible
+      With Secondary Licenses”, as defined by
+      the Mozilla Public License, v. 2.0.
+

src/vendor/github.com/hashicorp/errwrap/README.md

@@ -0,0 +1,89 @@
+# errwrap
+
+`errwrap` is a package for Go that formalizes the pattern of wrapping errors
+and checking if an error contains another error.
+
+There is a common pattern in Go of taking a returned `error` value and
+then wrapping it (such as with `fmt.Errorf`) before returning it. The problem
+with this pattern is that you completely lose the original `error` structure.
+
+Arguably the _correct_ approach is that you should make a custom structure
+implementing the `error` interface, and have the original error as a field
+on that structure, such [as this example](http://golang.org/pkg/os/#PathError).
+This is a good approach, but you have to know the entire chain of possible
+rewrapping that happens, when you might just care about one.
+
+`errwrap` formalizes this pattern (it doesn't matter what approach you use
+above) by giving a single interface for wrapping errors, checking if a specific
+error is wrapped, and extracting that error.
+
+## Installation and Docs
+
+Install using `go get github.com/hashicorp/errwrap`.
+
+Full documentation is available at
+http://godoc.org/github.com/hashicorp/errwrap
+
+## Usage
+
+#### Basic Usage
+
+Below is a very basic example of its usage:
+
+```go
+// A function that always returns an error, but wraps it, like a real
+// function might.
+func tryOpen() error {
+	_, err := os.Open("/i/dont/exist")
+	if err != nil {
+		return errwrap.Wrapf("Doesn't exist: {{err}}", err)
+	}
+
+	return nil
+}
+
+func main() {
+	err := tryOpen()
+
+	// We can use the Contains helpers to check if an error contains
+	// another error. It is safe to do this with a nil error, or with
+	// an error that doesn't even use the errwrap package.
+	if errwrap.Contains(err, "does not exist") {
+		// Do something
+	}
+	if errwrap.ContainsType(err, new(os.PathError)) {
+		// Do something
+	}
+
+	// Or we can use the associated `Get` functions to just extract
+	// a specific error. This would return nil if that specific error doesn't
+	// exist.
+	perr := errwrap.GetType(err, new(os.PathError))
+}
+```
+
+#### Custom Types
+
+If you're already making custom types that properly wrap errors, then
+you can get all the functionality of `errwraps.Contains` and such by
+implementing the `Wrapper` interface with just one function. Example:
+
+```go
+type AppError {
+  Code ErrorCode
+  Err  error
+}
+
+func (e *AppError) WrappedErrors() []error {
+  return []error{e.Err}
+}
+```
+
+Now this works:
+
+```go
+err := &AppError{Err: fmt.Errorf("an error")}
+if errwrap.ContainsType(err, fmt.Errorf("")) {
+	// This will work!
+}
+```

src/vendor/github.com/hashicorp/errwrap/errwrap.go

@@ -0,0 +1,169 @@
+// Package errwrap implements methods to formalize error wrapping in Go.
+//
+// All of the top-level functions that take an `error` are built to be able
+// to take any error, not just wrapped errors. This allows you to use errwrap
+// without having to type-check and type-cast everywhere.
+package errwrap
+
+import (
+	"errors"
+	"reflect"
+	"strings"
+)
+
+// WalkFunc is the callback called for Walk.
+type WalkFunc func(error)
+
+// Wrapper is an interface that can be implemented by custom types to
+// have all the Contains, Get, etc. functions in errwrap work.
+//
+// When Walk reaches a Wrapper, it will call the callback for every
+// wrapped error in addition to the wrapper itself. Since all the top-level
+// functions in errwrap use Walk, this means that all those functions work
+// with your custom type.
+type Wrapper interface {
+	WrappedErrors() []error
+}
+
+// Wrap defines that outer wraps inner, returning an error type that
+// can be cleanly used with the other methods in this package, such as
+// Contains, GetAll, etc.
+//
+// This function won't modify the error message at all (the outer message
+// will be used).
+func Wrap(outer, inner error) error {
+	return &wrappedError{
+		Outer: outer,
+		Inner: inner,
+	}
+}
+
+// Wrapf wraps an error with a formatting message. This is similar to using
+// `fmt.Errorf` to wrap an error. If you're using `fmt.Errorf` to wrap
+// errors, you should replace it with this.
+//
+// format is the format of the error message. The string '{{err}}' will
+// be replaced with the original error message.
+func Wrapf(format string, err error) error {
+	outerMsg := "<nil>"
+	if err != nil {
+		outerMsg = err.Error()
+	}
+
+	outer := errors.New(strings.Replace(
+		format, "{{err}}", outerMsg, -1))
+
+	return Wrap(outer, err)
+}
+
+// Contains checks if the given error contains an error with the
+// message msg. If err is not a wrapped error, this will always return
+// false unless the error itself happens to match this msg.
+func Contains(err error, msg string) bool {
+	return len(GetAll(err, msg)) > 0
+}
+
+// ContainsType checks if the given error contains an error with
+// the same concrete type as v. If err is not a wrapped error, this will
+// check the err itself.
+func ContainsType(err error, v interface{}) bool {
+	return len(GetAllType(err, v)) > 0
+}
+
+// Get is the same as GetAll but returns the deepest matching error.
+func Get(err error, msg string) error {
+	es := GetAll(err, msg)
+	if len(es) > 0 {
+		return es[len(es)-1]
+	}
+
+	return nil
+}
+
+// GetType is the same as GetAllType but returns the deepest matching error.
+func GetType(err error, v interface{}) error {
+	es := GetAllType(err, v)
+	if len(es) > 0 {
+		return es[len(es)-1]
+	}
+
+	return nil
+}
+
+// GetAll gets all the errors that might be wrapped in err with the
+// given message. The order of the errors is such that the outermost
+// matching error (the most recent wrap) is index zero, and so on.
+func GetAll(err error, msg string) []error {
+	var result []error
+
+	Walk(err, func(err error) {
+		if err.Error() == msg {
+			result = append(result, err)
+		}
+	})
+
+	return result
+}
+
+// GetAllType gets all the errors that are the same type as v.
+//
+// The order of the return value is the same as described in GetAll.
+func GetAllType(err error, v interface{}) []error {
+	var result []error
+
+	var search string
+	if v != nil {
+		search = reflect.TypeOf(v).String()
+	}
+	Walk(err, func(err error) {
+		var needle string
+		if err != nil {
+			needle = reflect.TypeOf(err).String()
+		}
+
+		if needle == search {
+			result = append(result, err)
+		}
+	})
+
+	return result
+}
+
+// Walk walks all the wrapped errors in err and calls the callback. If
+// err isn't a wrapped error, this will be called once for err. If err
+// is a wrapped error, the callback will be called for both the wrapper
+// that implements error as well as the wrapped error itself.
+func Walk(err error, cb WalkFunc) {
+	if err == nil {
+		return
+	}
+
+	switch e := err.(type) {
+	case *wrappedError:
+		cb(e.Outer)
+		Walk(e.Inner, cb)
+	case Wrapper:
+		cb(err)
+
+		for _, err := range e.WrappedErrors() {
+			Walk(err, cb)
+		}
+	default:
+		cb(err)
+	}
+}
+
+// wrappedError is an implementation of error that has both the
+// outer and inner errors.
+type wrappedError struct {
+	Outer error
+	Inner error
+}
+
+func (w *wrappedError) Error() string {
+	return w.Outer.Error()
+}
+
+func (w *wrappedError) WrappedErrors() []error {
+	return []error{w.Outer, w.Inner}
+}

src/vendor/github.com/hashicorp/errwrap/go.mod

@@ -0,0 +1 @@
+module github.com/hashicorp/errwrap

src/vendor/github.com/hashicorp/go-multierror/.travis.yml

@@ -0,0 +1,12 @@
+sudo: false
+
+language: go
+
+go:
+  - 1.x
+
+branches:
+  only:
+    - master
+
+script: env GO111MODULE=on make test testrace

src/vendor/github.com/hashicorp/go-multierror/LICENSE

@@ -0,0 +1,353 @@
+Mozilla Public License, version 2.0
+
+1. Definitions
+
+1.1. “Contributor”
+
+     means each individual or legal entity that creates, contributes to the
+     creation of, or owns Covered Software.
+
+1.2. “Contributor Version”
+
+     means the combination of the Contributions of others (if any) used by a
+     Contributor and that particular Contributor’s Contribution.
+
+1.3. “Contribution”
+
+     means Covered Software of a particular Contributor.
+
+1.4. “Covered Software”
+
+     means Source Code Form to which the initial Contributor has attached the
+     notice in Exhibit A, the Executable Form of such Source Code Form, and
+     Modifications of such Source Code Form, in each case including portions
+     thereof.
+
+1.5. “Incompatible With Secondary Licenses”
+     means
+
+     a. that the initial Contributor has attached the notice described in
+        Exhibit B to the Covered Software; or
+
+     b. that the Covered Software was made available under the terms of version
+        1.1 or earlier of the License, but not also under the terms of a
+        Secondary License.
+
+1.6. “Executable Form”
+
+     means any form of the work other than Source Code Form.
+
+1.7. “Larger Work”
+
+     means a work that combines Covered Software with other material, in a separate
+     file or files, that is not Covered Software.
+
+1.8. “License”
+
+     means this document.
+
+1.9. “Licensable”
+
+     means having the right to grant, to the maximum extent possible, whether at the
+     time of the initial grant or subsequently, any and all of the rights conveyed by
+     this License.
+
+1.10. “Modifications”
+
+     means any of the following:
+
+     a. any file in Source Code Form that results from an addition to, deletion
+        from, or modification of the contents of Covered Software; or
+
+     b. any new file in Source Code Form that contains any Covered Software.
+
+1.11. “Patent Claims” of a Contributor
+
+      means any patent claim(s), including without limitation, method, process,
+      and apparatus claims, in any patent Licensable by such Contributor that
+      would be infringed, but for the grant of the License, by the making,
+      using, selling, offering for sale, having made, import, or transfer of
+      either its Contributions or its Contributor Version.
+
+1.12. “Secondary License”
+
+      means either the GNU General Public License, Version 2.0, the GNU Lesser
+      General Public License, Version 2.1, the GNU Affero General Public
+      License, Version 3.0, or any later versions of those licenses.
+
+1.13. “Source Code Form”
+
+      means the form of the work preferred for making modifications.
+
+1.14. “You” (or “Your”)
+
+      means an individual or a legal entity exercising rights under this
+      License. For legal entities, “You” includes any entity that controls, is
+      controlled by, or is under common control with You. For purposes of this
+      definition, “control” means (a) the power, direct or indirect, to cause
+      the direction or management of such entity, whether by contract or
+      otherwise, or (b) ownership of more than fifty percent (50%) of the
+      outstanding shares or beneficial ownership of such entity.
+
+
+2. License Grants and Conditions
+
+2.1. Grants
+
+     Each Contributor hereby grants You a world-wide, royalty-free,
+     non-exclusive license:
+
+     a. under intellectual property rights (other than patent or trademark)
+        Licensable by such Contributor to use, reproduce, make available,
+        modify, display, perform, distribute, and otherwise exploit its
+        Contributions, either on an unmodified basis, with Modifications, or as
+        part of a Larger Work; and
+
+     b. under Patent Claims of such Contributor to make, use, sell, offer for
+        sale, have made, import, and otherwise transfer either its Contributions
+        or its Contributor Version.
+
+2.2. Effective Date
+
+     The licenses granted in Section 2.1 with respect to any Contribution become
+     effective for each Contribution on the date the Contributor first distributes
+     such Contribution.
+
+2.3. Limitations on Grant Scope
+
+     The licenses granted in this Section 2 are the only rights granted under this
+     License. No additional rights or licenses will be implied from the distribution
+     or licensing of Covered Software under this License. Notwithstanding Section
+     2.1(b) above, no patent license is granted by a Contributor:
+
+     a. for any code that a Contributor has removed from Covered Software; or
+
+     b. for infringements caused by: (i) Your and any other third party’s
+        modifications of Covered Software, or (ii) the combination of its
+        Contributions with other software (except as part of its Contributor
+        Version); or
+
+     c. under Patent Claims infringed by Covered Software in the absence of its
+        Contributions.
+
+     This License does not grant any rights in the trademarks, service marks, or
+     logos of any Contributor (except as may be necessary to comply with the
+     notice requirements in Section 3.4).
+
+2.4. Subsequent Licenses
+
+     No Contributor makes additional grants as a result of Your choice to
+     distribute the Covered Software under a subsequent version of this License
+     (see Section 10.2) or under the terms of a Secondary License (if permitted
+     under the terms of Section 3.3).
+
+2.5. Representation
+
+     Each Contributor represents that the Contributor believes its Contributions
+     are its original creation(s) or it has sufficient rights to grant the
+     rights to its Contributions conveyed by this License.
+
+2.6. Fair Use
+
+     This License is not intended to limit any rights You have under applicable
+     copyright doctrines of fair use, fair dealing, or other equivalents.
+
+2.7. Conditions
+
+     Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
+     Section 2.1.
+
+
+3. Responsibilities
+
+3.1. Distribution of Source Form
+
+     All distribution of Covered Software in Source Code Form, including any
+     Modifications that You create or to which You contribute, must be under the
+     terms of this License. You must inform recipients that the Source Code Form
+     of the Covered Software is governed by the terms of this License, and how
+     they can obtain a copy of this License. You may not attempt to alter or
+     restrict the recipients’ rights in the Source Code Form.
+
+3.2. Distribution of Executable Form
+
+     If You distribute Covered Software in Executable Form then:
+
+     a. such Covered Software must also be made available in Source Code Form,
+        as described in Section 3.1, and You must inform recipients of the
+        Executable Form how they can obtain a copy of such Source Code Form by
+        reasonable means in a timely manner, at a charge no more than the cost
+        of distribution to the recipient; and
+
+     b. You may distribute such Executable Form under the terms of this License,
+        or sublicense it under different terms, provided that the license for
+        the Executable Form does not attempt to limit or alter the recipients’
+        rights in the Source Code Form under this License.
+
+3.3. Distribution of a Larger Work
+
+     You may create and distribute a Larger Work under terms of Your choice,
+     provided that You also comply with the requirements of this License for the
+     Covered Software. If the Larger Work is a combination of Covered Software
+     with a work governed by one or more Secondary Licenses, and the Covered
+     Software is not Incompatible With Secondary Licenses, this License permits
+     You to additionally distribute such Covered Software under the terms of
+     such Secondary License(s), so that the recipient of the Larger Work may, at
+     their option, further distribute the Covered Software under the terms of
+     either this License or such Secondary License(s).
+
+3.4. Notices
+
+     You may not remove or alter the substance of any license notices (including
+     copyright notices, patent notices, disclaimers of warranty, or limitations
+     of liability) contained within the Source Code Form of the Covered
+     Software, except that You may alter any license notices to the extent
+     required to remedy known factual inaccuracies.
+
+3.5. Application of Additional Terms
+
+     You may choose to offer, and to charge a fee for, warranty, support,
+     indemnity or liability obligations to one or more recipients of Covered
+     Software. However, You may do so only on Your own behalf, and not on behalf
+     of any Contributor. You must make it absolutely clear that any such
+     warranty, support, indemnity, or liability obligation is offered by You
+     alone, and You hereby agree to indemnify every Contributor for any
+     liability incurred by such Contributor as a result of warranty, support,
+     indemnity or liability terms You offer. You may include additional
+     disclaimers of warranty and limitations of liability specific to any
+     jurisdiction.
+
+4. Inability to Comply Due to Statute or Regulation
+
+   If it is impossible for You to comply with any of the terms of this License
+   with respect to some or all of the Covered Software due to statute, judicial
+   order, or regulation then You must: (a) comply with the terms of this License
+   to the maximum extent possible; and (b) describe the limitations and the code
+   they affect. Such description must be placed in a text file included with all
+   distributions of the Covered Software under this License. Except to the
+   extent prohibited by statute or regulation, such description must be
+   sufficiently detailed for a recipient of ordinary skill to be able to
+   understand it.
+
+5. Termination
+
+5.1. The rights granted under this License will terminate automatically if You
+     fail to comply with any of its terms. However, if You become compliant,
+     then the rights granted under this License from a particular Contributor
+     are reinstated (a) provisionally, unless and until such Contributor
+     explicitly and finally terminates Your grants, and (b) on an ongoing basis,
+     if such Contributor fails to notify You of the non-compliance by some
+     reasonable means prior to 60 days after You have come back into compliance.
+     Moreover, Your grants from a particular Contributor are reinstated on an
+     ongoing basis if such Contributor notifies You of the non-compliance by
+     some reasonable means, this is the first time You have received notice of
+     non-compliance with this License from such Contributor, and You become
+     compliant prior to 30 days after Your receipt of the notice.
+
+5.2. If You initiate litigation against any entity by asserting a patent
+     infringement claim (excluding declaratory judgment actions, counter-claims,
+     and cross-claims) alleging that a Contributor Version directly or
+     indirectly infringes any patent, then the rights granted to You by any and
+     all Contributors for the Covered Software under Section 2.1 of this License
+     shall terminate.
+
+5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
+     license agreements (excluding distributors and resellers) which have been
+     validly granted by You or Your distributors under this License prior to
+     termination shall survive termination.
+
+6. Disclaimer of Warranty
+
+   Covered Software is provided under this License on an “as is” basis, without
+   warranty of any kind, either expressed, implied, or statutory, including,
+   without limitation, warranties that the Covered Software is free of defects,
+   merchantable, fit for a particular purpose or non-infringing. The entire
+   risk as to the quality and performance of the Covered Software is with You.
+   Should any Covered Software prove defective in any respect, You (not any
+   Contributor) assume the cost of any necessary servicing, repair, or
+   correction. This disclaimer of warranty constitutes an essential part of this
+   License. No use of  any Covered Software is authorized under this License
+   except under this disclaimer.
+
+7. Limitation of Liability
+
+   Under no circumstances and under no legal theory, whether tort (including
+   negligence), contract, or otherwise, shall any Contributor, or anyone who
+   distributes Covered Software as permitted above, be liable to You for any
+   direct, indirect, special, incidental, or consequential damages of any
+   character including, without limitation, damages for lost profits, loss of
+   goodwill, work stoppage, computer failure or malfunction, or any and all
+   other commercial damages or losses, even if such party shall have been
+   informed of the possibility of such damages. This limitation of liability
+   shall not apply to liability for death or personal injury resulting from such
+   party’s negligence to the extent applicable law prohibits such limitation.
+   Some jurisdictions do not allow the exclusion or limitation of incidental or
+   consequential damages, so this exclusion and limitation may not apply to You.
+
+8. Litigation
+
+   Any litigation relating to this License may be brought only in the courts of
+   a jurisdiction where the defendant maintains its principal place of business
+   and such litigation shall be governed by laws of that jurisdiction, without
+   reference to its conflict-of-law provisions. Nothing in this Section shall
+   prevent a party’s ability to bring cross-claims or counter-claims.
+
+9. Miscellaneous
+
+   This License represents the complete agreement concerning the subject matter
+   hereof. If any provision of this License is held to be unenforceable, such
+   provision shall be reformed only to the extent necessary to make it
+   enforceable. Any law or regulation which provides that the language of a
+   contract shall be construed against the drafter shall not be used to construe
+   this License against a Contributor.
+
+
+10. Versions of the License
+
+10.1. New Versions
+
+      Mozilla Foundation is the license steward. Except as provided in Section
+      10.3, no one other than the license steward has the right to modify or
+      publish new versions of this License. Each version will be given a
+      distinguishing version number.
+
+10.2. Effect of New Versions
+
+      You may distribute the Covered Software under the terms of the version of
+      the License under which You originally received the Covered Software, or
+      under the terms of any subsequent version published by the license
+      steward.
+
+10.3. Modified Versions
+
+      If you create software not governed by this License, and you want to
+      create a new license for such software, you may create and use a modified
+      version of this License if you rename the license and remove any
+      references to the name of the license steward (except to note that such
+      modified license differs from this License).
+
+10.4. Distributing Source Code Form that is Incompatible With Secondary Licenses
+      If You choose to distribute Source Code Form that is Incompatible With
+      Secondary Licenses under the terms of this version of the License, the
+      notice described in Exhibit B of this License must be attached.
+
+Exhibit A - Source Code Form License Notice
+
+      This Source Code Form is subject to the
+      terms of the Mozilla Public License, v.
+      2.0. If a copy of the MPL was not
+      distributed with this file, You can
+      obtain one at
+      http://mozilla.org/MPL/2.0/.
+
+If it is not possible or desirable to put the notice in a particular file, then
+You may include the notice in a location (such as a LICENSE file in a relevant
+directory) where a recipient would be likely to look for such a notice.
+
+You may add additional accurate notices of copyright ownership.
+
+Exhibit B - “Incompatible With Secondary Licenses” Notice
+
+      This Source Code Form is “Incompatible
+      With Secondary Licenses”, as defined by
+      the Mozilla Public License, v. 2.0.