Waterfall/rebuildPatches.sh
Techcable 3809083007
Turn waterfall into a patch-based fork like Spigot and Paper (WIP)
Allows us to easily see and manage the diff with upstream.
Makes fixing conflicts with upstream easier and shows a cleaner, more acurate commit history.

All credits to scripts go to @md_5 @aikar @Zbob750 @Thinkofname @Byteflux @Techcable (GPL3 Licensed)
2016-05-30 14:51:51 -06:00

62 lines
1.7 KiB
Bash
Executable File

#!/usr/bin/env bash
(
PS1="$"
basedir="$(cd "$1" && pwd -P)"
workdir="$basedir/work"
echo "Rebuilding patch files from current fork state..."
git config core.safecrlf false
function cleanupPatches {
cd "$1"
for patch in *.patch; do
echo "$patch"
gitver=$(tail -n 2 "$patch" | grep -ve "^$" | tail -n 1)
diffs=$(git diff --staged "$patch" | grep -E "^(\+|\-)" | grep -Ev "(From [a-z0-9]{32,}|\-\-\- a|\+\+\+ b|.index)")
testver=$(echo "$diffs" | tail -n 2 | grep -ve "^$" | tail -n 1 | grep "$gitver")
if [ "x$testver" != "x" ]; then
diffs=$(echo "$diffs" | sed 'N;$!P;$!D;$d')
fi
if [ "x$diffs" == "x" ] ; then
git reset HEAD "$patch" >/dev/null
git checkout -- "$patch" >/dev/null
fi
done
}
function savePatches {
what=$1
what_name=$(basename "$what")
target=$2
echo "Formatting patches for $what..."
cd "$basedir/${what_name}-Patches/"
if [ -d "$basedir/$target/.git/rebase-apply" ]; then
# in middle of a rebase, be smarter
echo "REBASE DETECTED - PARTIAL SAVE"
last=$(cat "$basedir/$target/.git/rebase-apply/last")
next=$(cat "$basedir/$target/.git/rebase-apply/next")
for i in $(seq -f "%04g" 1 1 $last)
do
if [ $i -lt $next ]; then
rm ${i}-*.patch
fi
done
else
rm -rf *.patch
fi
cd "$basedir/$target"
git format-patch --no-stat -N -o "$basedir/${what_name}-Patches/" upstream/upstream >/dev/null
cd "$basedir"
git add -A "$basedir/${what_name}-Patches"
cleanupPatches "$basedir/${what_name}-Patches"
echo " Patches saved for $what to $what_name-Patches/"
}
savePatches "BungeeCord" "Waterfall-Proxy"
)