bump up github.com/docker/distribution to v2.8.0+incompatible (#16435)

Signed-off-by: yminer <yminer@vmmware.com>

rgoo mod vendor

Signed-off-by: yminer <yminer@vmmware.com>

Co-authored-by: yminer <yminer@vmmware.com>

src/go.mod

@@ -15,7 +15,7 @@ require (
 	github.com/cenkalti/backoff/v4 v4.1.1
 	github.com/coreos/go-oidc/v3 v3.0.0
 	github.com/dghubble/sling v1.1.0
-	github.com/docker/distribution v2.7.1+incompatible
+	github.com/docker/distribution v2.8.0+incompatible
 	github.com/docker/libtrust v0.0.0-20160708172513-aabc10ec26b7
 	github.com/ghodss/yaml v1.0.0
 	github.com/go-asn1-ber/asn1-ber v1.5.1

src/go.sum

@@ -432,6 +432,8 @@ github.com/docker/distribution v0.0.0-20190905152932-14b96e55d84c/go.mod h1:0+TT
 github.com/docker/distribution v2.7.1-0.20190205005809-0d3efadf0154+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
 github.com/docker/distribution v2.7.1+incompatible h1:a5mlkVzth6W5A4fOsS3D2EO5BUmsJpcB+cRlLU7cSug=
 github.com/docker/distribution v2.7.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
+github.com/docker/distribution v2.8.0+incompatible h1:l9EaZDICImO1ngI+uTifW+ZYvvz7fKISBAKpg+MbWbY=
+github.com/docker/distribution v2.8.0+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
 github.com/docker/docker v17.12.0-ce-rc1.0.20200618181300-9dc6525e6118+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/docker v20.10.9+incompatible h1:JlsVnETOjM2RLQa0Cc1XCIspUdXW3Zenq9P54uXBm6k=
 github.com/docker/docker v20.10.9+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=

src/vendor/github.com/docker/distribution/.golangci.yml

@@ -0,0 +1,20 @@
+linters:
+  enable:
+    - structcheck
+    - varcheck
+    - staticcheck
+    - unconvert
+    - gofmt
+    - goimports
+    - golint
+    - ineffassign
+    - vet
+    - unused
+    - misspell
+  disable:
+    - errcheck
+
+run:
+  deadline: 2m
+  skip-dirs:
+    - vendor

src/vendor/github.com/docker/distribution/.gometalinter.json

@@ -1,16 +0,0 @@
-{
-  "Vendor": true,
-  "Deadline": "2m",
-  "Sort": ["linter", "severity", "path", "line"],
-  "EnableGC": true,
-  "Enable": [
-    "structcheck",
-    "staticcheck",
-    "unconvert",
-
-    "gofmt",
-    "goimports",
-    "golint",
-    "vet"
-  ]
-}

src/vendor/github.com/docker/distribution/.mailmap

@@ -30,3 +30,17 @@ Helen Xie <xieyulin821@harmonycloud.cn> Helen-xie <xieyulin821@harmonycloud.cn>
 Mike Brown <brownwm@us.ibm.com> Mike Brown <mikebrow@users.noreply.github.com>
 Manish Tomar <manish.tomar@docker.com> Manish Tomar <manishtomar@users.noreply.github.com>
 Sakeven Jiang <jc5930@sina.cn> sakeven <jc5930@sina.cn>
+Milos Gajdos <milosgajdos83@gmail.com> Milos Gajdos <milosgajdos@users.noreply.github.com>
+Derek McGowan <derek@mcgstyle.net> Derek McGowa <dmcgowan@users.noreply.github.com>
+Adrian Plata <adrian.plata@docker.com> Adrian Plata <@users.noreply.github.com>
+Sebastiaan van Stijn <github@gone.nl> Sebastiaan van Stijn <thaJeztah@users.noreply.github.com>
+Vishesh Jindal <vishesh92@gmail.com> Vishesh Jindal <vishesh92@users.noreply.github.com>
+Wang Yan <wangyan@vmware.com> Wang Yan <wy65701436@users.noreply.github.com>
+Chris Patterson <chrispat@github.com> Chris Patterson <chrispat@users.noreply.github.com>
+Eohyung Lee <liquidnuker@gmail.com> Eohyung Lee <leoh0@users.noreply.github.com>
+João Pereira <484633+joaodrp@users.noreply.github.com>
+Smasherr <soundcracker@gmail.com> Smasherr <Smasherr@users.noreply.github.com>
+Thomas Berger <loki@lokis-chaos.de> Thomas Berger <tbe@users.noreply.github.com>
+Samuel Karp <skarp@amazon.com> Samuel Karp <samuelkarp@users.noreply.github.com>
+Justin Cormack <justin.cormack@docker.com>
+sayboras <sayboras@yahoo.com>

src/vendor/github.com/docker/distribution/.travis.yml

@@ -1,51 +0,0 @@
-dist: trusty
-sudo: required
-# setup travis so that we can run containers for integration tests
-services:
-  - docker
-
-language: go
-
-go:
-  - "1.11.x"
-
-go_import_path: github.com/docker/distribution
-
-addons:
-  apt:
-    packages:
-      - python-minimal
-
-
-env:
-  - TRAVIS_GOOS=linux DOCKER_BUILDTAGS="include_oss include_gcs" TRAVIS_CGO_ENABLED=1
-
-before_install:
-  - uname -r
-  - sudo apt-get -q update
-
-install:
-  - go get -u github.com/vbatts/git-validation
-    # TODO: Add enforcement of license
-    # - go get -u github.com/kunalkushwaha/ltag
-  - cd $TRAVIS_BUILD_DIR
-
-script:
-  - export GOOS=$TRAVIS_GOOS
-  - export CGO_ENABLED=$TRAVIS_CGO_ENABLED
-  - DCO_VERBOSITY=-q script/validate/dco
-  - GOOS=linux script/setup/install-dev-tools
-  - script/validate/vendor
-  - go build -i .
-  - make check
-  - make build
-  - make binaries
-    # Currently takes too long
-    #- if [ "$GOOS" = "linux" ]; then make test-race ; fi
-  - if [ "$GOOS" = "linux" ]; then make coverage ; fi
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash) -F linux
-
-before_deploy:
-    # Run tests with storage driver configurations

src/vendor/github.com/docker/distribution/Dockerfile

@@ -1,22 +1,45 @@
-FROM golang:1.11-alpine AS build
+# syntax=docker/dockerfile:1.3
 
-ENV DISTRIBUTION_DIR /go/src/github.com/docker/distribution
-ENV BUILDTAGS include_oss include_gcs
+ARG GO_VERSION=1.16
+ARG GORELEASER_XX_VERSION=1.2.5
 
-ARG GOOS=linux
-ARG GOARCH=amd64
-ARG GOARM=6
+FROM --platform=$BUILDPLATFORM crazymax/goreleaser-xx:${GORELEASER_XX_VERSION} AS goreleaser-xx
+FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-alpine AS base
+COPY --from=goreleaser-xx / /
+RUN apk add --no-cache file git
+WORKDIR /go/src/github.com/docker/distribution
 
-RUN set -ex \
-    && apk add --no-cache make git file
+FROM base AS build
+ENV GO111MODULE=auto
+ENV CGO_ENABLED=0
+ARG TARGETPLATFORM
+ARG PKG="github.com/distribution/distribution"
+ARG BUILDTAGS="include_oss include_gcs"
+RUN --mount=type=bind,rw \
+  --mount=type=cache,target=/root/.cache/go-build \
+  --mount=target=/go/pkg/mod,type=cache \
+  goreleaser-xx --debug \
+    --name="registry" \
+    --dist="/out" \
+    --main="./cmd/registry" \
+    --flags="-v" \
+    --ldflags="-s -w -X '$PKG/version.Version={{.Version}}' -X '$PKG/version.Revision={{.Commit}}' -X '$PKG/version.Package=$PKG'" \
+    --tags="$BUILDTAGS" \
+    --files="LICENSE" \
+    --files="README.md"
 
-WORKDIR $DISTRIBUTION_DIR
-COPY . $DISTRIBUTION_DIR
-RUN CGO_ENABLED=0 make PREFIX=/go clean binaries && file ./bin/registry | grep "statically linked"
+FROM scratch AS artifacts
+COPY --from=build /out/*.tar.gz /
+COPY --from=build /out/*.zip /
+COPY --from=build /out/*.sha256 /
 
-FROM alpine
+FROM scratch AS binary
+COPY --from=build /usr/local/bin/registry* /
+
+FROM alpine:3.14
+RUN apk add --no-cache ca-certificates
 COPY cmd/registry/config-dev.yml /etc/docker/registry/config.yml
-COPY --from=build /go/src/github.com/docker/distribution/bin/registry /bin/registry
+COPY --from=build /usr/local/bin/registry /bin/registry
 VOLUME ["/var/lib/registry"]
 EXPOSE 5000
 ENTRYPOINT ["registry"]

src/vendor/github.com/docker/distribution/Makefile

@@ -50,7 +50,7 @@ version/version.go:
 
 check: ## run all linters (TODO: enable "unused", "varcheck", "ineffassign", "unconvert", "staticheck", "goimports", "structcheck")
 	@echo "$(WHALE) $@"
-	gometalinter --config .gometalinter.json ./...
+	golangci-lint run
 
 test: ## run tests, except integration test with test.short
 	@echo "$(WHALE) $@"

src/vendor/github.com/docker/distribution/blobs.go

@@ -10,7 +10,7 @@ import (
 
 	"github.com/docker/distribution/reference"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 var (

src/vendor/github.com/docker/distribution/configuration/configuration.go

@@ -108,6 +108,12 @@ type Configuration struct {
 			// A file may contain multiple CA certificates encoded as PEM
 			ClientCAs []string `yaml:"clientcas,omitempty"`
 
+			// Specifies the lowest TLS version allowed
+			MinimumTLS string `yaml:"minimumtls,omitempty"`
+
+			// Specifies a list of cipher suites allowed
+			CipherSuites []string `yaml:"ciphersuites,omitempty"`
+
 			// LetsEncrypt is used to configuration setting up TLS through
 			// Let's Encrypt instead of manually specifying certificate and
 			// key. If a TLS certificate is specified, the Let's Encrypt
@@ -388,7 +394,7 @@ func (loglevel *Loglevel) UnmarshalYAML(unmarshal func(interface{}) error) error
 	switch loglevelString {
 	case "error", "warn", "info", "debug":
 	default:
-		return fmt.Errorf("Invalid loglevel %s Must be one of [error, warn, info, debug]", loglevelString)
+		return fmt.Errorf("invalid loglevel %s Must be one of [error, warn, info, debug]", loglevelString)
 	}
 
 	*loglevel = Loglevel(loglevelString)
@@ -463,7 +469,7 @@ func (storage *Storage) UnmarshalYAML(unmarshal func(interface{}) error) error {
 			}
 
 			if len(types) > 1 {
-				return fmt.Errorf("Must provide exactly one storage type. Provided: %v", types)
+				return fmt.Errorf("must provide exactly one storage type. Provided: %v", types)
 			}
 		}
 		*storage = storageMap
@@ -665,11 +671,11 @@ func Parse(rd io.Reader) (*Configuration, error) {
 						v0_1.Loglevel = Loglevel("")
 					}
 					if v0_1.Storage.Type() == "" {
-						return nil, errors.New("No storage configuration provided")
+						return nil, errors.New("no storage configuration provided")
 					}
 					return (*Configuration)(v0_1), nil
 				}
-				return nil, fmt.Errorf("Expected *v0_1Configuration, received %#v", c)
+				return nil, fmt.Errorf("expected *v0_1Configuration, received %#v", c)
 			},
 		},
 	})

src/vendor/github.com/docker/distribution/configuration/parser.go

@@ -122,7 +122,7 @@ func (p *Parser) Parse(in []byte, v interface{}) error {
 
 	parseInfo, ok := p.mapping[versionedStruct.Version]
 	if !ok {
-		return fmt.Errorf("Unsupported version: %q", versionedStruct.Version)
+		return fmt.Errorf("unsupported version: %q", versionedStruct.Version)
 	}
 
 	parseAs := reflect.New(parseInfo.ParseAs)

src/vendor/github.com/docker/distribution/docker-bake.hcl

@@ -0,0 +1,51 @@
+group "default" {
+  targets = ["image-local"]
+}
+
+// Special target: https://github.com/docker/metadata-action#bake-definition
+target "docker-metadata-action" {
+  tags = ["registry:local"]
+}
+
+target "binary" {
+  target = "binary"
+  output = ["./bin"]
+}
+
+target "artifact" {
+  target = "artifacts"
+  output = ["./bin"]
+}
+
+target "artifact-all" {
+  inherits = ["artifact"]
+  platforms = [
+    "linux/amd64",
+    "linux/arm/v6",
+    "linux/arm/v7",
+    "linux/arm64",
+    "linux/ppc64le",
+    "linux/s390x"
+  ]
+}
+
+target "image" {
+  inherits = ["docker-metadata-action"]
+}
+
+target "image-local" {
+  inherits = ["image"]
+  output = ["type=docker"]
+}
+
+target "image-all" {
+  inherits = ["image"]
+  platforms = [
+    "linux/amd64",
+    "linux/arm/v6",
+    "linux/arm/v7",
+    "linux/arm64",
+    "linux/ppc64le",
+    "linux/s390x"
+  ]
+}

src/vendor/github.com/docker/distribution/manifest/manifestlist/manifestlist.go

@@ -8,7 +8,7 @@ import (
 	"github.com/docker/distribution"
 	"github.com/docker/distribution/manifest"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 const (
@@ -54,6 +54,9 @@ func init() {
 	}
 
 	imageIndexFunc := func(b []byte) (distribution.Manifest, distribution.Descriptor, error) {
+		if err := validateIndex(b); err != nil {
+			return nil, distribution.Descriptor{}, err
+		}
 		m := new(DeserializedManifestList)
 		err := m.UnmarshalJSON(b)
 		if err != nil {
@@ -163,7 +166,7 @@ func FromDescriptorsWithMediaType(descriptors []ManifestDescriptor, mediaType st
 		},
 	}
 
-	m.Manifests = make([]ManifestDescriptor, len(descriptors), len(descriptors))
+	m.Manifests = make([]ManifestDescriptor, len(descriptors))
 	copy(m.Manifests, descriptors)
 
 	deserialized := DeserializedManifestList{
@@ -177,7 +180,7 @@ func FromDescriptorsWithMediaType(descriptors []ManifestDescriptor, mediaType st
 
 // UnmarshalJSON populates a new ManifestList struct from JSON data.
 func (m *DeserializedManifestList) UnmarshalJSON(b []byte) error {
-	m.canonical = make([]byte, len(b), len(b))
+	m.canonical = make([]byte, len(b))
 	// store manifest list in canonical
 	copy(m.canonical, b)
 
@@ -214,3 +217,23 @@ func (m DeserializedManifestList) Payload() (string, []byte, error) {
 
 	return mediaType, m.canonical, nil
 }
+
+// unknownDocument represents a manifest, manifest list, or index that has not
+// yet been validated
+type unknownDocument struct {
+	Config interface{} `json:"config,omitempty"`
+	Layers interface{} `json:"layers,omitempty"`
+}
+
+// validateIndex returns an error if the byte slice is invalid JSON or if it
+// contains fields that belong to a manifest
+func validateIndex(b []byte) error {
+	var doc unknownDocument
+	if err := json.Unmarshal(b, &doc); err != nil {
+		return err
+	}
+	if doc.Config != nil || doc.Layers != nil {
+		return errors.New("index: expected index but found manifest")
+	}
+	return nil
+}

src/vendor/github.com/docker/distribution/manifest/ocischema/builder.go

@@ -7,7 +7,7 @@ import (
 	"github.com/docker/distribution"
 	"github.com/docker/distribution/manifest"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 // Builder is a type for constructing manifests.
@@ -48,7 +48,7 @@ func NewManifestBuilder(bs distribution.BlobService, configJSON []byte, annotati
 // valid media type for oci image manifests currently: "" or "application/vnd.oci.image.manifest.v1+json"
 func (mb *Builder) SetMediaType(mediaType string) error {
 	if mediaType != "" && mediaType != v1.MediaTypeImageManifest {
-		return errors.New("Invalid media type for OCI image manifest")
+		return errors.New("invalid media type for OCI image manifest")
 	}
 
 	mb.mediaType = mediaType

src/vendor/github.com/docker/distribution/manifest/ocischema/manifest.go

@@ -8,7 +8,7 @@ import (
 	"github.com/docker/distribution"
 	"github.com/docker/distribution/manifest"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 var (
@@ -22,6 +22,9 @@ var (
 
 func init() {
 	ocischemaFunc := func(b []byte) (distribution.Manifest, distribution.Descriptor, error) {
+		if err := validateManifest(b); err != nil {
+			return nil, distribution.Descriptor{}, err
+		}
 		m := new(DeserializedManifest)
 		err := m.UnmarshalJSON(b)
 		if err != nil {
@@ -87,7 +90,7 @@ func FromStruct(m Manifest) (*DeserializedManifest, error) {
 
 // UnmarshalJSON populates a new Manifest struct from JSON data.
 func (m *DeserializedManifest) UnmarshalJSON(b []byte) error {
-	m.canonical = make([]byte, len(b), len(b))
+	m.canonical = make([]byte, len(b))
 	// store manifest in canonical
 	copy(m.canonical, b)
 
@@ -122,3 +125,22 @@ func (m *DeserializedManifest) MarshalJSON() ([]byte, error) {
 func (m DeserializedManifest) Payload() (string, []byte, error) {
 	return v1.MediaTypeImageManifest, m.canonical, nil
 }
+
+// unknownDocument represents a manifest, manifest list, or index that has not
+// yet been validated
+type unknownDocument struct {
+	Manifests interface{} `json:"manifests,omitempty"`
+}
+
+// validateManifest returns an error if the byte slice is invalid JSON or if it
+// contains fields that belong to a index
+func validateManifest(b []byte) error {
+	var doc unknownDocument
+	if err := json.Unmarshal(b, &doc); err != nil {
+		return err
+	}
+	if doc.Manifests != nil {
+		return errors.New("ocimanifest: expected manifest but found index")
+	}
+	return nil
+}

src/vendor/github.com/docker/distribution/manifest/schema1/manifest.go

@@ -108,7 +108,7 @@ type SignedManifest struct {
 
 // UnmarshalJSON populates a new SignedManifest struct from JSON data.
 func (sm *SignedManifest) UnmarshalJSON(b []byte) error {
-	sm.all = make([]byte, len(b), len(b))
+	sm.all = make([]byte, len(b))
 	// store manifest and signatures in all
 	copy(sm.all, b)
 
@@ -124,7 +124,7 @@ func (sm *SignedManifest) UnmarshalJSON(b []byte) error {
 	}
 
 	// sm.Canonical stores the canonical manifest JSON
-	sm.Canonical = make([]byte, len(bytes), len(bytes))
+	sm.Canonical = make([]byte, len(bytes))
 	copy(sm.Canonical, bytes)
 
 	// Unmarshal canonical JSON into Manifest object

src/vendor/github.com/docker/distribution/manifest/schema1/reference_builder.go

@@ -58,7 +58,7 @@ func (mb *referenceManifestBuilder) Build(ctx context.Context) (distribution.Man
 func (mb *referenceManifestBuilder) AppendReference(d distribution.Describable) error {
 	r, ok := d.(Reference)
 	if !ok {
-		return fmt.Errorf("Unable to add non-reference type to v1 builder")
+		return fmt.Errorf("unable to add non-reference type to v1 builder")
 	}
 
 	// Entries need to be prepended

src/vendor/github.com/docker/distribution/manifest/schema2/manifest.go

@@ -106,7 +106,7 @@ func FromStruct(m Manifest) (*DeserializedManifest, error) {
 
 // UnmarshalJSON populates a new Manifest struct from JSON data.
 func (m *DeserializedManifest) UnmarshalJSON(b []byte) error {
-	m.canonical = make([]byte, len(b), len(b))
+	m.canonical = make([]byte, len(b))
 	// store manifest in canonical
 	copy(m.canonical, b)
 

src/vendor/github.com/docker/distribution/manifests.go

@@ -87,7 +87,7 @@ func ManifestMediaTypes() (mediaTypes []string) {
 // UnmarshalFunc implements manifest unmarshalling a given MediaType
 type UnmarshalFunc func([]byte) (Manifest, Descriptor, error)
 
-var mappings = make(map[string]UnmarshalFunc, 0)
+var mappings = make(map[string]UnmarshalFunc)
 
 // UnmarshalManifest looks up manifest unmarshal functions based on
 // MediaType

src/vendor/github.com/docker/distribution/reference/normalize.go

@@ -56,6 +56,35 @@ func ParseNormalizedNamed(s string) (Named, error) {
 	return named, nil
 }
 
+// ParseDockerRef normalizes the image reference following the docker convention. This is added
+// mainly for backward compatibility.
+// The reference returned can only be either tagged or digested. For reference contains both tag
+// and digest, the function returns digested reference, e.g. docker.io/library/busybox:latest@
+// sha256:7cc4b5aefd1d0cadf8d97d4350462ba51c694ebca145b08d7d41b41acc8db5aa will be returned as
+// docker.io/library/busybox@sha256:7cc4b5aefd1d0cadf8d97d4350462ba51c694ebca145b08d7d41b41acc8db5aa.
+func ParseDockerRef(ref string) (Named, error) {
+	named, err := ParseNormalizedNamed(ref)
+	if err != nil {
+		return nil, err
+	}
+	if _, ok := named.(NamedTagged); ok {
+		if canonical, ok := named.(Canonical); ok {
+			// The reference is both tagged and digested, only
+			// return digested.
+			newNamed, err := WithName(canonical.Name())
+			if err != nil {
+				return nil, err
+			}
+			newCanonical, err := WithDigest(newNamed, canonical.Digest())
+			if err != nil {
+				return nil, err
+			}
+			return newCanonical, nil
+		}
+	}
+	return TagNameOnly(named), nil
+}
+
 // splitDockerDomain splits a repository name to domain and remotename string.
 // If no valid domain is found, the default domain is used. Repository name
 // needs to be already validated before.

src/vendor/github.com/docker/distribution/reference/reference.go

@@ -205,7 +205,7 @@ func Parse(s string) (Reference, error) {
 	var repo repository
 
 	nameMatch := anchoredNameRegexp.FindStringSubmatch(matches[1])
-	if nameMatch != nil && len(nameMatch) == 3 {
+	if len(nameMatch) == 3 {
 		repo.domain = nameMatch[1]
 		repo.path = nameMatch[2]
 	} else {

src/vendor/github.com/docker/distribution/registry/api/errcode/errors.go

@@ -207,11 +207,11 @@ func (errs Errors) MarshalJSON() ([]byte, error) {
 	for _, daErr := range errs {
 		var err Error
 
-		switch daErr.(type) {
+		switch daErr := daErr.(type) {
 		case ErrorCode:
-			err = daErr.(ErrorCode).WithDetail(nil)
+			err = daErr.WithDetail(nil)
 		case Error:
-			err = daErr.(Error)
+			err = daErr
 		default:
 			err = ErrorCodeUnknown.WithDetail(daErr)
 

src/vendor/github.com/docker/distribution/registry/api/v2/urls.go

@@ -252,15 +252,3 @@ func appendValuesURL(u *url.URL, values ...url.Values) *url.URL {
 	u.RawQuery = merged.Encode()
 	return u
 }
-
-// appendValues appends the parameters to the url. Panics if the string is not
-// a url.
-func appendValues(u string, values ...url.Values) string {
-	up, err := url.Parse(u)
-
-	if err != nil {
-		panic(err) // should never happen
-	}
-
-	return appendValuesURL(up, values...).String()
-}

src/vendor/github.com/docker/distribution/registry/client/auth/challenge/authchallenge.go

@@ -117,8 +117,8 @@ func init() {
 		var t octetType
 		isCtl := c <= 31 || c == 127
 		isChar := 0 <= c && c <= 127
-		isSeparator := strings.IndexRune(" \t\"(),/:;<=>?@[]\\{}", rune(c)) >= 0
-		if strings.IndexRune(" \t\r\n", rune(c)) >= 0 {
+		isSeparator := strings.ContainsRune(" \t\"(),/:;<=>?@[]\\{}", rune(c))
+		if strings.ContainsRune(" \t\r\n", rune(c)) {
 			t |= isSpace
 		}
 		if isChar && !isCtl && !isSeparator {

src/vendor/github.com/docker/distribution/registry/client/repository.go

@@ -16,7 +16,7 @@ import (
 
 	"github.com/docker/distribution"
 	"github.com/docker/distribution/reference"
-	"github.com/docker/distribution/registry/api/v2"
+	v2 "github.com/docker/distribution/registry/api/v2"
 	"github.com/docker/distribution/registry/client/transport"
 	"github.com/docker/distribution/registry/storage/cache"
 	"github.com/docker/distribution/registry/storage/cache/memory"
@@ -736,7 +736,12 @@ func (bs *blobs) Create(ctx context.Context, options ...distribution.BlobCreateO
 		return nil, err
 	}
 
-	resp, err := bs.client.Post(u, "", nil)
+	req, err := http.NewRequest("POST", u, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := bs.client.Do(req)
 	if err != nil {
 		return nil, err
 	}

src/vendor/github.com/docker/distribution/registry/storage/blobstore.go

@@ -152,16 +152,6 @@ func (bs *blobStore) readlink(ctx context.Context, path string) (digest.Digest,
 	return linked, nil
 }
 
-// resolve reads the digest link at path and returns the blob store path.
-func (bs *blobStore) resolve(ctx context.Context, path string) (string, error) {
-	dgst, err := bs.readlink(ctx, path)
-	if err != nil {
-		return "", err
-	}
-
-	return bs.path(dgst)
-}
-
 type blobStatter struct {
 	driver driver.StorageDriver
 }

src/vendor/github.com/docker/distribution/registry/storage/driver/azure/azure.go

@@ -55,17 +55,17 @@ func (factory *azureDriverFactory) Create(parameters map[string]interface{}) (st
 func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	accountName, ok := parameters[paramAccountName]
 	if !ok || fmt.Sprint(accountName) == "" {
-		return nil, fmt.Errorf("No %s parameter provided", paramAccountName)
+		return nil, fmt.Errorf("no %s parameter provided", paramAccountName)
 	}
 
 	accountKey, ok := parameters[paramAccountKey]
 	if !ok || fmt.Sprint(accountKey) == "" {
-		return nil, fmt.Errorf("No %s parameter provided", paramAccountKey)
+		return nil, fmt.Errorf("no %s parameter provided", paramAccountKey)
 	}
 
 	container, ok := parameters[paramContainer]
 	if !ok || fmt.Sprint(container) == "" {
-		return nil, fmt.Errorf("No %s parameter provided", paramContainer)
+		return nil, fmt.Errorf("no %s parameter provided", paramContainer)
 	}
 
 	realm, ok := parameters[paramRealm]

src/vendor/github.com/docker/distribution/registry/storage/driver/inmemory/mfs.go

@@ -252,20 +252,6 @@ func (d *dir) delete(p string) error {
 	return nil
 }
 
-// dump outputs a primitive directory structure to stdout.
-func (d *dir) dump(indent string) {
-	fmt.Println(indent, d.name()+"/")
-
-	for _, child := range d.children {
-		if child.isdir() {
-			child.(*dir).dump(indent + "\t")
-		} else {
-			fmt.Println(indent, child.name())
-		}
-
-	}
-}
-
 func (d *dir) String() string {
 	return fmt.Sprintf("&dir{path: %v, children: %v}", d.p, d.children)
 }

src/vendor/github.com/docker/distribution/registry/storage/driver/middleware/cloudfront/middleware.go

@@ -16,7 +16,7 @@ import (
 	"github.com/aws/aws-sdk-go/service/cloudfront/sign"
 	dcontext "github.com/docker/distribution/context"
 	storagedriver "github.com/docker/distribution/registry/storage/driver"
-	"github.com/docker/distribution/registry/storage/driver/middleware"
+	storagemiddleware "github.com/docker/distribution/registry/storage/driver/middleware"
 )
 
 // cloudFrontStorageMiddleware provides a simple implementation of layerHandler that
@@ -138,27 +138,33 @@ func newCloudFrontStorageMiddleware(storageDriver storagedriver.StorageDriver, o
 
 	// parse ipfilteredby
 	var awsIPs *awsIPs
-	if ipFilteredBy := options["ipfilteredby"].(string); ok {
-		switch strings.ToLower(strings.TrimSpace(ipFilteredBy)) {
-		case "", "none":
-			awsIPs = nil
-		case "aws":
-			newAWSIPs(ipRangesURL, updateFrequency, nil)
-		case "awsregion":
-			var awsRegion []string
-			if regions, ok := options["awsregion"].(string); ok {
-				for _, awsRegions := range strings.Split(regions, ",") {
-					awsRegion = append(awsRegion, strings.ToLower(strings.TrimSpace(awsRegions)))
+	if i, ok := options["ipfilteredby"]; ok {
+		if ipFilteredBy, ok := i.(string); ok {
+			switch strings.ToLower(strings.TrimSpace(ipFilteredBy)) {
+			case "", "none":
+				awsIPs = nil
+			case "aws":
+				awsIPs = newAWSIPs(ipRangesURL, updateFrequency, nil)
+			case "awsregion":
+				var awsRegion []string
+				if i, ok := options["awsregion"]; ok {
+					if regions, ok := i.(string); ok {
+						for _, awsRegions := range strings.Split(regions, ",") {
+							awsRegion = append(awsRegion, strings.ToLower(strings.TrimSpace(awsRegions)))
+						}
+						awsIPs = newAWSIPs(ipRangesURL, updateFrequency, awsRegion)
+					} else {
+						return nil, fmt.Errorf("awsRegion must be a comma separated string of valid aws regions")
+					}
+				} else {
+					return nil, fmt.Errorf("awsRegion is not defined")
 				}
-				awsIPs = newAWSIPs(ipRangesURL, updateFrequency, awsRegion)
-			} else {
-				return nil, fmt.Errorf("awsRegion must be a comma separated string of valid aws regions")
+			default:
+				return nil, fmt.Errorf("ipfilteredby only allows a string the following value: none|aws|awsregion")
 			}
-		default:
-			return nil, fmt.Errorf("ipfilteredby only allows a string the following value: none|aws|awsregion")
+		} else {
+			return nil, fmt.Errorf("ipfilteredby only allows a string with the following value: none|aws|awsregion")
 		}
-	} else {
-		return nil, fmt.Errorf("ipfilteredby only allows a string with the following value: none|aws|awsregion")
 	}
 
 	return &cloudFrontStorageMiddleware{

src/vendor/github.com/docker/distribution/registry/storage/driver/s3-aws/s3.go

@@ -188,19 +188,19 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 
 	regionName := parameters["region"]
 	if regionName == nil || fmt.Sprint(regionName) == "" {
-		return nil, fmt.Errorf("No region parameter provided")
+		return nil, fmt.Errorf("no region parameter provided")
 	}
 	region := fmt.Sprint(regionName)
 	// Don't check the region value if a custom endpoint is provided.
 	if regionEndpoint == "" {
 		if _, ok := validRegions[region]; !ok {
-			return nil, fmt.Errorf("Invalid region provided: %v", region)
+			return nil, fmt.Errorf("invalid region provided: %v", region)
 		}
 	}
 
 	bucket := parameters["bucket"]
 	if bucket == nil || fmt.Sprint(bucket) == "" {
-		return nil, fmt.Errorf("No bucket parameter provided")
+		return nil, fmt.Errorf("no bucket parameter provided")
 	}
 
 	encryptBool := false
@@ -209,7 +209,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	case string:
 		b, err := strconv.ParseBool(encrypt)
 		if err != nil {
-			return nil, fmt.Errorf("The encrypt parameter should be a boolean")
+			return nil, fmt.Errorf("the encrypt parameter should be a boolean")
 		}
 		encryptBool = b
 	case bool:
@@ -217,7 +217,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	case nil:
 		// do nothing
 	default:
-		return nil, fmt.Errorf("The encrypt parameter should be a boolean")
+		return nil, fmt.Errorf("the encrypt parameter should be a boolean")
 	}
 
 	secureBool := true
@@ -226,7 +226,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	case string:
 		b, err := strconv.ParseBool(secure)
 		if err != nil {
-			return nil, fmt.Errorf("The secure parameter should be a boolean")
+			return nil, fmt.Errorf("the secure parameter should be a boolean")
 		}
 		secureBool = b
 	case bool:
@@ -234,7 +234,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	case nil:
 		// do nothing
 	default:
-		return nil, fmt.Errorf("The secure parameter should be a boolean")
+		return nil, fmt.Errorf("the secure parameter should be a boolean")
 	}
 
 	skipVerifyBool := false
@@ -243,7 +243,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	case string:
 		b, err := strconv.ParseBool(skipVerify)
 		if err != nil {
-			return nil, fmt.Errorf("The skipVerify parameter should be a boolean")
+			return nil, fmt.Errorf("the skipVerify parameter should be a boolean")
 		}
 		skipVerifyBool = b
 	case bool:
@@ -251,7 +251,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	case nil:
 		// do nothing
 	default:
-		return nil, fmt.Errorf("The skipVerify parameter should be a boolean")
+		return nil, fmt.Errorf("the skipVerify parameter should be a boolean")
 	}
 
 	v4Bool := true
@@ -260,7 +260,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	case string:
 		b, err := strconv.ParseBool(v4auth)
 		if err != nil {
-			return nil, fmt.Errorf("The v4auth parameter should be a boolean")
+			return nil, fmt.Errorf("the v4auth parameter should be a boolean")
 		}
 		v4Bool = b
 	case bool:
@@ -268,7 +268,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	case nil:
 		// do nothing
 	default:
-		return nil, fmt.Errorf("The v4auth parameter should be a boolean")
+		return nil, fmt.Errorf("the v4auth parameter should be a boolean")
 	}
 
 	keyID := parameters["keyid"]
@@ -306,7 +306,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	if storageClassParam != nil {
 		storageClassString, ok := storageClassParam.(string)
 		if !ok {
-			return nil, fmt.Errorf("The storageclass parameter must be one of %v, %v invalid",
+			return nil, fmt.Errorf("the storageclass parameter must be one of %v, %v invalid",
 				[]string{s3.StorageClassStandard, s3.StorageClassReducedRedundancy}, storageClassParam)
 		}
 		// All valid storage class parameters are UPPERCASE, so be a bit more flexible here
@@ -314,7 +314,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 		if storageClassString != noStorageClass &&
 			storageClassString != s3.StorageClassStandard &&
 			storageClassString != s3.StorageClassReducedRedundancy {
-			return nil, fmt.Errorf("The storageclass parameter must be one of %v, %v invalid",
+			return nil, fmt.Errorf("the storageclass parameter must be one of %v, %v invalid",
 				[]string{noStorageClass, s3.StorageClassStandard, s3.StorageClassReducedRedundancy}, storageClassParam)
 		}
 		storageClass = storageClassString
@@ -330,11 +330,11 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	if objectACLParam != nil {
 		objectACLString, ok := objectACLParam.(string)
 		if !ok {
-			return nil, fmt.Errorf("Invalid value for objectacl parameter: %v", objectACLParam)
+			return nil, fmt.Errorf("invalid value for objectacl parameter: %v", objectACLParam)
 		}
 
 		if _, ok = validObjectACLs[objectACLString]; !ok {
-			return nil, fmt.Errorf("Invalid value for objectacl parameter: %v", objectACLParam)
+			return nil, fmt.Errorf("invalid value for objectacl parameter: %v", objectACLParam)
 		}
 		objectACL = objectACLString
 	}
@@ -366,7 +366,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	return New(params)
 }
 
-// getParameterAsInt64 converts paramaters[name] to an int64 value (using
+// getParameterAsInt64 converts parameters[name] to an int64 value (using
 // defaultt if nil), verifies it is no smaller than min, and returns it.
 func getParameterAsInt64(parameters map[string]interface{}, name string, defaultt int64, min int64, max int64) (int64, error) {
 	rv := defaultt
@@ -389,7 +389,7 @@ func getParameterAsInt64(parameters map[string]interface{}, name string, default
 	}
 
 	if rv < min || rv > max {
-		return 0, fmt.Errorf("The %s %#v parameter should be a number between %d and %d (inclusive)", name, rv, min, max)
+		return 0, fmt.Errorf("the %s %#v parameter should be a number between %d and %d (inclusive)", name, rv, min, max)
 	}
 
 	return rv, nil
@@ -401,7 +401,7 @@ func New(params DriverParameters) (*Driver, error) {
 	if !params.V4Auth &&
 		(params.RegionEndpoint == "" ||
 			strings.Contains(params.RegionEndpoint, "s3.amazonaws.com")) {
-		return nil, fmt.Errorf("On Amazon S3 this storage driver can only be used with v4 authentication")
+		return nil, fmt.Errorf("on Amazon S3 this storage driver can only be used with v4 authentication")
 	}
 
 	awsConfig := aws.NewConfig()
@@ -878,7 +878,7 @@ func (d *driver) URLFor(ctx context.Context, path string, options map[string]int
 	if ok {
 		et, ok := expires.(time.Time)
 		if ok {
-			expiresIn = et.Sub(time.Now())
+			expiresIn = time.Until(et)
 		}
 	}
 
@@ -970,8 +970,19 @@ func (d *driver) doWalk(parentCtx context.Context, objectCount *int64, path, pre
 	defer done("s3aws.ListObjectsV2Pages(%s)", path)
 	listObjectErr := d.S3.ListObjectsV2PagesWithContext(ctx, listObjectsInput, func(objects *s3.ListObjectsV2Output, lastPage bool) bool {
 
-		*objectCount += *objects.KeyCount
-		walkInfos := make([]walkInfoContainer, 0, *objects.KeyCount)
+		var count int64
+		// KeyCount was introduced with version 2 of the GET Bucket operation in S3.
+		// Some S3 implementations don't support V2 now, so we fall back to manual
+		// calculation of the key count if required
+		if objects.KeyCount != nil {
+			count = *objects.KeyCount
+			*objectCount += *objects.KeyCount
+		} else {
+			count = int64(len(objects.Contents) + len(objects.CommonPrefixes))
+			*objectCount += count
+		}
+
+		walkInfos := make([]walkInfoContainer, 0, count)
 
 		for _, dir := range objects.CommonPrefixes {
 			commonPrefix := *dir.Prefix

src/vendor/github.com/docker/distribution/registry/storage/driver/s3-aws/s3_v2_signer.go

@@ -39,12 +39,6 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
-const (
-	signatureVersion = "2"
-	signatureMethod  = "HmacSHA1"
-	timeFormat       = "2006-01-02T15:04:05Z"
-)
-
 type signer struct {
 	// Values that must be populated from the request
 	Request      *http.Request

src/vendor/github.com/docker/distribution/registry/storage/driver/swift/swift.go

@@ -160,23 +160,23 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	}
 
 	if params.Username == "" {
-		return nil, fmt.Errorf("No username parameter provided")
+		return nil, fmt.Errorf("no username parameter provided")
 	}
 
 	if params.Password == "" {
-		return nil, fmt.Errorf("No password parameter provided")
+		return nil, fmt.Errorf("no password parameter provided")
 	}
 
 	if params.AuthURL == "" {
-		return nil, fmt.Errorf("No authurl parameter provided")
+		return nil, fmt.Errorf("no authurl parameter provided")
 	}
 
 	if params.Container == "" {
-		return nil, fmt.Errorf("No container parameter provided")
+		return nil, fmt.Errorf("no container parameter provided")
 	}
 
 	if params.ChunkSize < minChunkSize {
-		return nil, fmt.Errorf("The chunksize %#v parameter should be a number that is larger than or equal to %d", params.ChunkSize, minChunkSize)
+		return nil, fmt.Errorf("the chunksize %#v parameter should be a number that is larger than or equal to %d", params.ChunkSize, minChunkSize)
 	}
 
 	return New(params)
@@ -211,15 +211,15 @@ func New(params Parameters) (*Driver, error) {
 	}
 	err := ct.Authenticate()
 	if err != nil {
-		return nil, fmt.Errorf("Swift authentication failed: %s", err)
+		return nil, fmt.Errorf("swift authentication failed: %s", err)
 	}
 
 	if _, _, err := ct.Container(params.Container); err == swift.ContainerNotFound {
 		if err := ct.ContainerCreate(params.Container, nil); err != nil {
-			return nil, fmt.Errorf("Failed to create container %s (%s)", params.Container, err)
+			return nil, fmt.Errorf("failed to create container %s (%s)", params.Container, err)
 		}
 	} else if err != nil {
-		return nil, fmt.Errorf("Failed to retrieve info about container %s (%s)", params.Container, err)
+		return nil, fmt.Errorf("failed to retrieve info about container %s (%s)", params.Container, err)
 	}
 
 	d := &driver{
@@ -258,7 +258,7 @@ func New(params Parameters) (*Driver, error) {
 		if d.TempURLContainerKey {
 			_, containerHeaders, err := d.Conn.Container(d.Container)
 			if err != nil {
-				return nil, fmt.Errorf("Failed to fetch container info %s (%s)", d.Container, err)
+				return nil, fmt.Errorf("failed to fetch container info %s (%s)", d.Container, err)
 			}
 
 			d.SecretKey = containerHeaders["X-Container-Meta-Temp-Url-Key"]
@@ -273,7 +273,7 @@ func New(params Parameters) (*Driver, error) {
 			// Use the account secret key
 			_, accountHeaders, err := d.Conn.Account()
 			if err != nil {
-				return nil, fmt.Errorf("Failed to fetch account info (%s)", err)
+				return nil, fmt.Errorf("failed to fetch account info (%s)", err)
 			}
 
 			d.SecretKey = accountHeaders["X-Account-Meta-Temp-Url-Key"]
@@ -350,7 +350,7 @@ func (d *driver) Reader(ctx context.Context, path string, offset int64) (io.Read
 		}
 		if isDLO && size == 0 {
 			if time.Now().Add(waitingTime).After(endTime) {
-				return nil, fmt.Errorf("Timeout expired while waiting for segments of %s to show up", path)
+				return nil, fmt.Errorf("timeout expired while waiting for segments of %s to show up", path)
 			}
 			time.Sleep(waitingTime)
 			waitingTime *= 2
@@ -456,7 +456,7 @@ func (d *driver) Stat(ctx context.Context, path string) (storagedriver.FileInfo,
 		_, isDLO := headers["X-Object-Manifest"]
 		if isDLO && info.Bytes == 0 {
 			if time.Now().Add(waitingTime).After(endTime) {
-				return nil, fmt.Errorf("Timeout expired while waiting for segments of %s to show up", path)
+				return nil, fmt.Errorf("timeout expired while waiting for segments of %s to show up", path)
 			}
 			time.Sleep(waitingTime)
 			waitingTime *= 2
@@ -755,7 +755,7 @@ func chunkFilenames(slice []string, maxSize int) (chunks [][]string, err error)
 			chunks = append(chunks, slice[offset:offset+chunkSize])
 		}
 	} else {
-		return nil, fmt.Errorf("Max chunk size must be > 0")
+		return nil, fmt.Errorf("max chunk size must be > 0")
 	}
 	return
 }
@@ -894,7 +894,7 @@ func (w *writer) waitForSegmentsToShowUp() error {
 			if info.Bytes == w.size {
 				break
 			}
-			err = fmt.Errorf("Timeout expired while waiting for segments of %s to show up", w.path)
+			err = fmt.Errorf("timeout expired while waiting for segments of %s to show up", w.path)
 		}
 		if time.Now().Add(waitingTime).After(endTime) {
 			break

src/vendor/github.com/docker/distribution/registry/storage/garbagecollect.go

@@ -98,15 +98,13 @@ func MarkAndSweep(ctx context.Context, storageDriver driver.StorageDriver, regis
 			return nil
 		})
 
-		if err != nil {
-			// In certain situations such as unfinished uploads, deleting all
-			// tags in S3 or removing the _manifests folder manually, this
-			// error may be of type PathNotFound.
-			//
-			// In these cases we can continue marking other manifests safely.
-			if _, ok := err.(driver.PathNotFoundError); ok {
-				return nil
-			}
+		// In certain situations such as unfinished uploads, deleting all
+		// tags in S3 or removing the _manifests folder manually, this
+		// error may be of type PathNotFound.
+		//
+		// In these cases we can continue marking other manifests safely.
+		if _, ok := err.(driver.PathNotFoundError); ok {
+			return nil
 		}
 
 		return err

src/vendor/github.com/docker/distribution/registry/storage/io.go

@@ -18,6 +18,7 @@ func getContent(ctx context.Context, driver driver.StorageDriver, p string) ([]b
 	if err != nil {
 		return nil, err
 	}
+	defer r.Close()
 
 	return readAllLimited(r, maxBlobGetSize)
 }

src/vendor/github.com/docker/distribution/registry/storage/manifeststore.go

@@ -13,7 +13,7 @@ import (
 	"github.com/docker/distribution/manifest/schema1"
 	"github.com/docker/distribution/manifest/schema2"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 // A ManifestHandler gets and puts manifests of a particular type.

src/vendor/github.com/docker/distribution/registry/storage/ocimanifesthandler.go

@@ -9,7 +9,7 @@ import (
 	dcontext "github.com/docker/distribution/context"
 	"github.com/docker/distribution/manifest/ocischema"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 //ocischemaManifestHandler is a ManifestHandler that covers ocischema manifests.

src/vendor/github.com/docker/distribution/registry/storage/paths.go

@@ -133,10 +133,7 @@ func pathFor(spec pathSpec) (string, error) {
 
 		return path.Join(append(append(repoPrefix, v.name, "_manifests", "revisions"), components...)...), nil
 	case manifestRevisionLinkPathSpec:
-		root, err := pathFor(manifestRevisionPathSpec{
-			name:     v.name,
-			revision: v.revision,
-		})
+		root, err := pathFor(manifestRevisionPathSpec(v))
 
 		if err != nil {
 			return "", err
@@ -156,10 +153,7 @@ func pathFor(spec pathSpec) (string, error) {
 
 		return path.Join(root, v.tag), nil
 	case manifestTagCurrentPathSpec:
-		root, err := pathFor(manifestTagPathSpec{
-			name: v.name,
-			tag:  v.tag,
-		})
+		root, err := pathFor(manifestTagPathSpec(v))
 
 		if err != nil {
 			return "", err
@@ -167,10 +161,7 @@ func pathFor(spec pathSpec) (string, error) {
 
 		return path.Join(root, "current", "link"), nil
 	case manifestTagIndexPathSpec:
-		root, err := pathFor(manifestTagPathSpec{
-			name: v.name,
-			tag:  v.tag,
-		})
+		root, err := pathFor(manifestTagPathSpec(v))
 
 		if err != nil {
 			return "", err
@@ -178,11 +169,7 @@ func pathFor(spec pathSpec) (string, error) {
 
 		return path.Join(root, "index"), nil
 	case manifestTagIndexEntryLinkPathSpec:
-		root, err := pathFor(manifestTagIndexEntryPathSpec{
-			name:     v.name,
-			tag:      v.tag,
-			revision: v.revision,
-		})
+		root, err := pathFor(manifestTagIndexEntryPathSpec(v))
 
 		if err != nil {
 			return "", err

src/vendor/github.com/docker/distribution/registry/storage/purgeuploads.go

@@ -59,7 +59,7 @@ func PurgeUploads(ctx context.Context, driver storageDriver.StorageDriver, older
 // file, so gather files by UUID with a date from startedAt.
 func getOutstandingUploads(ctx context.Context, driver storageDriver.StorageDriver) (map[string]uploadData, []error) {
 	var errors []error
-	uploads := make(map[string]uploadData, 0)
+	uploads := make(map[string]uploadData)
 
 	inUploadDir := false
 	root, err := pathFor(repositoriesRootPathSpec{})

src/vendor/github.com/docker/distribution/registry/storage/schema2manifesthandler.go

@@ -14,9 +14,8 @@ import (
 )
 
 var (
-	errUnexpectedURL = errors.New("unexpected URL on layer")
-	errMissingURL    = errors.New("missing URL on layer")
-	errInvalidURL    = errors.New("invalid URL on layer")
+	errMissingURL = errors.New("missing URL on layer")
+	errInvalidURL = errors.New("invalid URL on layer")
 )
 
 //schema2ManifestHandler is a ManifestHandler that covers schema2 manifests.
@@ -93,7 +92,7 @@ func (ms *schema2ManifestHandler) verifyManifest(ctx context.Context, mnfst sche
 		switch descriptor.MediaType {
 		case schema2.MediaTypeForeignLayer:
 			// Clients download this layer from an external URL, so do not check for
-			// its presense.
+			// its presence.
 			if len(descriptor.URLs) == 0 {
 				err = errMissingURL
 			}

src/vendor/github.com/docker/distribution/registry/storage/tagstore.go

@@ -50,25 +50,6 @@ func (ts *tagStore) All(ctx context.Context) ([]string, error) {
 	return tags, nil
 }
 
-// exists returns true if the specified manifest tag exists in the repository.
-func (ts *tagStore) exists(ctx context.Context, tag string) (bool, error) {
-	tagPath, err := pathFor(manifestTagCurrentPathSpec{
-		name: ts.repository.Named().Name(),
-		tag:  tag,
-	})
-
-	if err != nil {
-		return false, err
-	}
-
-	exists, err := exists(ctx, ts.blobStore.driver, tagPath)
-	if err != nil {
-		return false, err
-	}
-
-	return exists, nil
-}
-
 // Tag tags the digest with the given tag, updating the the store to point at
 // the current tag. The digest must point to a manifest.
 func (ts *tagStore) Tag(ctx context.Context, tag string, desc distribution.Descriptor) error {

src/vendor/github.com/docker/distribution/registry/storage/util.go

@@ -1,22 +0,0 @@
-package storage
-
-import (
-	"context"
-
-	"github.com/docker/distribution/registry/storage/driver"
-)
-
-// Exists provides a utility method to test whether or not a path exists in
-// the given driver.
-func exists(ctx context.Context, drv driver.StorageDriver, path string) (bool, error) {
-	if _, err := drv.Stat(ctx, path); err != nil {
-		switch err := err.(type) {
-		case driver.PathNotFoundError:
-			return false, nil
-		default:
-			return false, err
-		}
-	}
-
-	return true, nil
-}

src/vendor/github.com/docker/distribution/vendor.conf

@@ -8,7 +8,7 @@ github.com/bugsnag/bugsnag-go b1d153021fcd90ca3f080db36bec96dc690fb274
 github.com/bugsnag/osext 0dd3f918b21bec95ace9dc86c7e70266cfc5c702
 github.com/bugsnag/panicwrap e2c28503fcd0675329da73bf48b33404db873782
 github.com/denverdino/aliyungo afedced274aa9a7fcdd47ac97018f0f8db4e5de2
-github.com/dgrijalva/jwt-go a601269ab70c205d26370c16f7c81e9017c14e04
+github.com/dgrijalva/jwt-go 4bbdd8ac624fc7a9ef7aec841c43d99b5fe65a29 https://github.com/golang-jwt/jwt.git # v3.2.2
 github.com/docker/go-metrics 399ea8c73916000c64c2c76e8da00ca82f8387ab
 github.com/docker/libtrust fa567046d9b14f6aa788882a950d69651d230b21
 github.com/garyburd/redigo 535138d7bcd717d6531c701ef5933d98b1866257
@@ -48,4 +48,4 @@ gopkg.in/square/go-jose.v1 40d457b439244b546f023d056628e5184136899b
 gopkg.in/yaml.v2 v2.2.1
 rsc.io/letsencrypt e770c10b0f1a64775ae91d240407ce00d1a5bdeb https://github.com/dmcgowan/letsencrypt.git
 github.com/opencontainers/go-digest a6d0ee40d4207ea02364bd3b9e8e77b9159ba1eb
-github.com/opencontainers/image-spec ab7389ef9f50030c9b245bc16b981c7ddf192882
+github.com/opencontainers/image-spec 67d2d5658fe0476ab9bf414cec164077ebff3920 # v1.0.2

src/vendor/github.com/docker/distribution/version/version.go

@@ -8,7 +8,7 @@ var Package = "github.com/docker/distribution"
 // the latest release tag by hand, always suffixed by "+unknown". During
 // build, it will be replaced by the actual version. The value here will be
 // used if the registry is run after a go get based install.
-var Version = "v2.7.1+unknown"
+var Version = "v2.8.0-beta.1+unknown"
 
 // Revision is filled with the VCS (e.g. git) revision being used to build
 // the program at linking time.

src/vendor/modules.txt

@@ -216,7 +216,7 @@ github.com/docker/cli/cli/config
 github.com/docker/cli/cli/config/configfile
 github.com/docker/cli/cli/config/credentials
 github.com/docker/cli/cli/config/types
-# github.com/docker/distribution v2.7.1+incompatible
+# github.com/docker/distribution v2.8.0+incompatible
 ## explicit
 github.com/docker/distribution
 github.com/docker/distribution/configuration