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geforkt von Mirrors/Paper
Paper/scripts/decompile.sh
Zach Brown 963393ce85 Fix decompile script json regex
When Mojang added 1.13.2-pre2 to their manifest page it exposed a flaw
in the way the script's regex was getting the version json manifest.

I've tweaked the regex such that it will always first get the version
entry and then use that entry to get the json url, rather than trying to
do the whole thing in one shot.

Fixes GH-1582
2018-10-16 20:38:05 -04:00

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#!/usr/bin/env bash
(
set -e
PS1="$"
basedir="$(cd "$1" && pwd -P)"
workdir="$basedir/work"
minecraftversion=$(cat "$workdir/BuildData/info.json" | grep minecraftVersion | cut -d '"' -f 4)
windows="$([[ "$OSTYPE" == "cygwin" || "$OSTYPE" == "msys" ]] && echo "true" || echo "false")"
decompiledir="$workdir/Minecraft/$minecraftversion"
spigotdecompiledir="$decompiledir/spigot"
forgedecompiledir="$decompiledir/forge"
forgeflowerversion="1.5.380.19"
forgeflowerurl="http://files.minecraftforge.net/maven/net/minecraftforge/forgeflower/$forgeflowerversion/forgeflower-$forgeflowerversion.jar"
# temp use patched version
forgeflowerurl="https://zachbr.keybase.pub/paper/forgeflower-patched/forgeflower-1.5.380.19.jar?dl=1"
forgeflowerbin="$workdir/ForgeFlower/$forgeflowerversion.jar"
# TODO: Make this better? We don't need spigot compat for this stage
forgefloweroptions="-dgs=1 -hdc=0 -asc=1 -udv=1 -jvn=1"
forgeflowercachefile="$decompiledir/forgeflowercache"
forgeflowercachevalue="$forgeflowerurl - $forgeflowerversion - $forgefloweroptions";
classdir="$decompiledir/classes"
versionjson="$workdir/Minecraft/$minecraftversion/$minecraftversion.json"
if [ ! -f "$versionjson" ]; then
echo "Downloading $minecraftversion JSON Data"
verescaped=$(echo ${minecraftversion} | sed 's/\./\\./g')
echo $verescaped
verentry=$(curl -s "https://launchermeta.mojang.com/mc/game/version_manifest.json" | grep -oE "{\"id\": \"${verescaped}\".*?\.json")
echo $verentry
jsonurl=$(echo $verentry | grep -oE https:\/\/.*?\.json)
echo $jsonurl
curl -o "$versionjson" "$jsonurl"
echo "$versionjson - $jsonurl"
fi
function downloadLibraries {
group=$1
groupesc=$(echo ${group} | sed 's/\./\\./g')
grouppath=$(echo ${group} | sed 's/\./\//g')
libdir="$decompiledir/libraries/${group}/"
mkdir -p "$libdir"
shift
for lib in "$@"
do
jar="$libdir/${lib}-sources.jar"
destlib="$libdir/${lib}"
if [ ! -f "$jar" ]; then
libesc=$(echo ${lib} | sed 's/\./\\]./g')
ver=$(grep -oE "${groupesc}:${libesc}:[0-9\.]+" "$versionjson" | sed "s/${groupesc}:${libesc}://g")
echo "Downloading ${group}:${lib}:${ver} Sources"
curl -s -o "$jar" "https://libraries.minecraft.net/${grouppath}/${lib}/${ver}/${lib}-${ver}-sources.jar"
set +e
grep "<html>" "$jar" && grep -oE "<title>.*?</title>" "$jar" && rm "$jar" && echo "Failed to download $jar" && exit 1
set -e
fi
if [ ! -d "$destlib/$grouppath" ]; then
echo "Extracting $group:$lib Sources"
mkdir -p "$destlib"
(cd "$destlib" && jar xf "$jar")
fi
done
}
downloadLibraries "com.mojang" datafixerupper authlib brigadier
# prep folders
mkdir -p "$workdir/ForgeFlower"
mkdir -p "$spigotdecompiledir"
mkdir -p "$forgedecompiledir"
echo "Extracting NMS classes..."
if [ ! -d "$classdir" ]; then
mkdir -p "$classdir"
cd "$classdir"
set +e
jar xf "$decompiledir/$minecraftversion-mapped.jar" net/minecraft/server
if [ "$?" != "0" ]; then
cd "$basedir"
echo "Failed to extract NMS classes."
exit 1
fi
set -e
fi
needsDecomp=0
if [ ! -f "$forgeflowercachefile" ]; then
needsDecomp=1
elif [ "$(cat ${forgeflowercachefile})" != "$forgeflowercachevalue" ]; then
needsDecomp=1
fi
if [ "$needsDecomp" == "1" ]; then
# our local cache is now invalidated, we can update forgeflower to get better deobfuscation
rm -rf "$forgedecompiledir/net"
fi
# Forge (for Paper mc-dev imports, and dev src folders for unimported files)
if [ ! -d "$forgedecompiledir/net" ] ; then
echo "Decompiling classes (stage 1)..."
cd "$basedir"
if [ ! -f "$forgeflowerbin" ]; then
echo "Downloading ForgeFlower ($forgeflowerversion)..."
curl -s -o "$forgeflowerbin" "$forgeflowerurl"
fi
set +e
java -Ddecomp.renameparams=true -jar "$forgeflowerbin" ${forgefloweroptions} -ind=' ' "$classdir" "$forgedecompiledir"
if [ "$?" != "0" ]; then
rm -rf "$forgedecompiledir/net"
echo "Failed to decompile classes."
exit 1
fi
echo "$forgeflowercachevalue" > "$forgeflowercachefile"
set -e
fi
# Spigot (for CraftBukkit patches)
# if we see the old net folder, copy it to spigot to avoid redecompiling
if [ -d "$decompiledir/net" ]; then
cp -r "$decompiledir/net" "$spigotdecompiledir/"
fi
if [ ! -d "$spigotdecompiledir/net" ]; then
echo "Decompiling classes (stage 2)..."
cd "$basedir"
set +e
java -jar "$workdir/BuildData/bin/fernflower.jar" -dgs=1 -hdc=0 -asc=1 -udv=0 "$classdir" "$spigotdecompiledir"
if [ "$?" != "0" ]; then
rm -rf "$spigotdecompiledir/net"
echo "Failed to decompile classes."
exit 1
fi
set -e
fi
# set a symlink to current
currentlink="$workdir/Minecraft/current"
if ([ ! -e "$currentlink" ] || [ -L "$currentlink" ]) && [ "$windows" == "false" ]; then
set +e
echo "Pointing $currentlink to $minecraftversion"
rm -rf "$currentlink" || true
ln -sfn "$minecraftversion" "$currentlink" || echo "Failed to set current symlink"
fi
)