pvv-nixos-config/pkgs/minecraft-server-fabric/generate-loader.nix

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2021-12-19 03:21:30 +01:00
{ lib, fetchurl, stdenv, unzip, zip, jre_headless }:
let
lock = import ./lock.nix;
libraries = lib.forEach lock.libraries fetchurl;
in
stdenv.mkDerivation {
name = "fabric-server-launch.jar";
nativeBuildInputs = [ unzip zip jre_headless ];
libraries = libraries;
buildPhase = ''
for i in $libraries; do
unzip -o $i
done
cat > META-INF/MANIFEST.MF << EOF
Manifest-Version: 1.0
Main-Class: net.fabricmc.loader.impl.launch.server.FabricServerLauncher
Name: org/objectweb/asm/
Implementation-Version: 9.2
EOF
cat > fabric-server-launch.properties << EOF
launch.mainClass=net.fabricmc.loader.impl.launch.knot.KnotServer
EOF
'';
installPhase = ''
jar cmvf META-INF/MANIFEST.MF "server.jar" .
zip -d server.jar 'META-INF/*.SF' 'META-INF/*.RSA' 'META-INF/*.DSA'
cp server.jar "$out"
'';
phases = [ "buildPhase" "installPhase" ];
}