149 lines
4.2 KiB
Nix
149 lines
4.2 KiB
Nix
# based on:
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# - https://github.com/Faeranne/nix-minecraft/blob/f4e4514f1d65b6a19704eab85070741e40c1d272/pkgs/forge-servers/derivation.nix
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# - https://github.com/Infinidoge/nix-minecraft/blob/ab4790259bf8ed20f4417de5a0e5ee592094c7c3/pkgs/build-support/mkTextileLoader.nix
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#
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# Locks (lock_game.json, lock_launcher.json, lock_libraries.json)
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# are copied from https://github.com/Faeranne/nix-minecraft/tree/f4e4514f1d65b6a19704eab85070741e40c1d272/pkgs/forge-servers
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#
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# Locks are modified to have only one version of Forge (1.20.1-47.3.1)
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# I didn't want to deal with many versions of Forge
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{ lib
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, stdenvNoCC
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, fetchurl
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, gameVersion
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, loaderVersion
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, jre_headless
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, jq
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}:
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let
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minecraftInfo = (lib.importJSON ./lock_game.json).${gameVersion};
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forge-installer = "forge-${gameVersion}-${loaderVersion}-installer";
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mappingsInfo = minecraftInfo.mappings;
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mappings = fetchurl {
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name = "minecraft-mappings";
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version = "${gameVersion}";
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inherit (mappingsInfo) sha1 url;
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};
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vanillaInfo = minecraftInfo.server;
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vanilla = fetchurl {
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name = "vanilla-server";
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version = "${gameVersion}";
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inherit (vanillaInfo) sha1 url;
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};
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loader = (lib.importJSON ./lock_launcher.json).${gameVersion}.${loaderVersion};
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libraries = minecraftInfo.libraries;
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libraries_lock = lib.importJSON ./lock_libraries.json;
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fetchedLibraries = lib.forEach libraries (l:
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let
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library = libraries_lock.${l};
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in
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fetchurl {
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inherit (library) url sha1;
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}
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);
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in
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stdenvNoCC.mkDerivation {
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pname = "forge-loader";
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version = "${gameVersion}-${loaderVersion}";
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libraries = fetchedLibraries;
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src = fetchurl {
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name = forge-installer;
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inherit (loader) url;
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hash = loader.md5;
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};
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preferLocalBuild = true;
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installPhase = if (loader.type == "installer") then (
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let
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libraries_path = lib.concatStringsSep " " (lib.forEach libraries (l: libraries_lock.${l}.path));
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in
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''
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LIB_PATHS=(${libraries_path})
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mkdir $out
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for i in $libraries; do
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NIX_LIB=$(basename $i)
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NIX_LIB_NAME="''${NIX_LIB:33}"
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for l in ''${!LIB_PATHS[@]}; do
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LIB="''${LIB_PATHS[$l]}"
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LIB_NAME=$(basename $LIB)
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if [[ $LIB_NAME == $NIX_LIB_NAME ]]; then
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mkdir -p "$out/libraries/$(dirname $LIB)"
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ln -s $i $out/libraries/$LIB
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echo Linking library: $LIB_NAME
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break
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fi
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done
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done
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MOJMAP_DIR_NAME=$(basename $out/libraries/de/oceanlabs/mcp/mcp_config/${gameVersion}-*)
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echo $MOJMAP_DIR_NAME
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MOJMAP_DIR=$out/libraries/net/minecraft/server/$MOJMAP_DIR_NAME
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mkdir -p "$MOJMAP_DIR"
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ln -s ${mappings} $MOJMAP_DIR/server-$MOJMAP_DIR_NAME-mappings.txt
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MINECRAFT_LIB=$out/libraries/net/minecraft/server/${gameVersion}
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mkdir -p "$MINECRAFT_LIB"
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ln -s ${vanilla} $MINECRAFT_LIB/server-${gameVersion}.jar
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cp $src $out/forge-installer.jar
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echo Patching forge installer...
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pushd $out
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${jre_headless}/bin/jar xf $out/forge-installer.jar install_profile.json
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mv $out/install_profile.json $out/install_profile_original.json
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${lib.getExe jq} 'del(.processors[] | select(.args[1]=="DOWNLOAD_MOJMAPS"))' $out/install_profile_original.json > $out/install_profile.json
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mkdir -p $out/META-INF
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touch $out/META-INF/FORGE.RSA
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${jre_headless}/bin/jar uf $out/forge-installer.jar install_profile.json META-INF/FORGE.RSA
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popd
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rm $out/install_profile.json
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rm $out/install_profile_original.json
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rm -rf $out/META-INF
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echo Running installer...
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${jre_headless}/bin/java -jar $out/forge-installer.jar --offline --installServer $out
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echo Cleaning up...
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rm $out/run.bat
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rm $out/run.sh
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rm $out/user_jvm_args.txt
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rm $out/forge-installer.jar
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substituteInPlace $out/libraries/net/minecraftforge/forge/1.20.1-47.3.1/unix_args.txt \
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--replace libraries $out/libraries
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'') else throw "Cannot work with other types of packaging than installer!";
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dontUnpack = true;
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meta = with lib; {
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description = "Minecraft Server";
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homepage = "https://minecraft.net";
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license = licenses.unfreeRedistributable;
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platforms = platforms.unix;
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maintainers = with maintainers; [ infinidoge ];
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mainProgram = "minecraft-server";
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};
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}
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