PaperMC/scripts/remap.sh

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#!/usr/bin/env bash
(
set -e
PS1="$"
basedir="$(cd "$1" && pwd -P)"
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workdir="$basedir/work"
minecraftversion=$(cat "${workdir}/BuildData/info.json" | grep minecraftVersion | cut -d '"' -f 4)
minecrafthash=$(cat "${workdir}/BuildData/info.json" | grep minecraftHash | cut -d '"' -f 4)
accesstransforms="$workdir/BuildData/mappings/"$(cat "${workdir}/BuildData/info.json" | grep accessTransforms | cut -d '"' -f 4)
classmappings="$workdir/BuildData/mappings/"$(cat "${workdir}/BuildData/info.json" | grep classMappings | cut -d '"' -f 4)
membermappings="$workdir/BuildData/mappings/"$(cat "${workdir}/BuildData/info.json" | grep memberMappings | cut -d '"' -f 4)
packagemappings="$workdir/BuildData/mappings/"$(cat "${workdir}/BuildData/info.json" | grep packageMappings | cut -d '"' -f 4)
jarpath="$workdir/Minecraft/$minecraftversion/$minecraftversion"
echo "Downloading unmapped vanilla jar..."
if [ ! -f "$jarpath.jar" ]; then
mkdir -p "$workdir/Minecraft/$minecraftversion"
curl -s -o "$jarpath.jar" "https://s3.amazonaws.com/Minecraft.Download/versions/$minecraftversion/minecraft_server.$minecraftversion.jar"
if [ "$?" != "0" ]; then
echo "Failed to download the vanilla server jar. Check connectivity or try again later."
exit 1
fi
fi
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# OS X doesn't have md5sum, just md5 -r
if [[ "$OSTYPE" == "darwin"* ]]; then
shopt -s expand_aliases
alias md5sum='md5 -r'
echo "Using an alias for md5sum on macOS"
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fi
checksum=$(md5sum "$jarpath.jar" | cut -d ' ' -f 1)
if [ "$checksum" != "$minecrafthash" ]; then
echo "The MD5 checksum of the downloaded server jar does not match the BuildData hash."
exit 1
fi
echo "Applying class mappings..."
if [ ! -f "$jarpath-cl.jar" ]; then
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java -jar "$workdir/BuildData/bin/SpecialSource-2.jar" map -i "$jarpath.jar" -m "$classmappings" -o "$jarpath-cl.jar" 1>/dev/null
if [ "$?" != "0" ]; then
echo "Failed to apply class mappings."
exit 1
fi
fi
echo "Applying member mappings..."
if [ ! -f "$jarpath-m.jar" ]; then
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java -jar "$workdir/BuildData/bin/SpecialSource-2.jar" map -i "$jarpath-cl.jar" -m "$membermappings" -o "$jarpath-m.jar" 1>/dev/null
if [ "$?" != "0" ]; then
echo "Failed to apply member mappings."
exit 1
fi
fi
echo "Creating remapped jar..."
if [ ! -f "$jarpath-mapped.jar" ]; then
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java -jar "$workdir/BuildData/bin/SpecialSource.jar" --kill-lvt -i "$jarpath-m.jar" --access-transformer "$accesstransforms" -m "$packagemappings" -o "$jarpath-mapped.jar" 1>/dev/null
if [ "$?" != "0" ]; then
echo "Failed to create remapped jar."
exit 1
fi
fi
echo "Installing remapped jar..."
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cd "$workdir/CraftBukkit" # Need to be in a directory with a valid POM at the time of install.
mvn install:install-file -q -Dfile="$jarpath-mapped.jar" -Dpackaging=jar -DgroupId=org.spigotmc -DartifactId=minecraft-server -Dversion="$minecraftversion-SNAPSHOT"
if [ "$?" != "0" ]; then
echo "Failed to install remapped jar."
exit 1
fi
)