nixpkgs/pkgs/development/tools/metals/default.nix
2020-11-20 18:30:49 +01:00

63 lines
2.3 KiB
Nix

{ stdenv, lib, coursier, jdk, jre, makeWrapper }:
stdenv.mkDerivation rec {
pname = "metals";
version = "0.9.6";
deps = stdenv.mkDerivation {
name = "${pname}-deps-${version}";
buildCommand = ''
export COURSIER_CACHE=$(pwd)
${coursier}/bin/coursier fetch org.scalameta:metals_2.12:${version} \
-r bintray:scalacenter/releases \
-r sonatype:snapshots > deps
mkdir -p $out/share/java
cp -n $(< deps) $out/share/java/
'';
outputHashMode = "recursive";
outputHashAlgo = "sha256";
outputHash = "0cjivkrykvp2m8bj3x9fsk7nsr5vxf87jfh4rjn24kfliljwfh2w";
};
nativeBuildInputs = [ makeWrapper ];
buildInputs = [ jdk deps ];
phases = [ "installPhase" ];
extraJavaOpts = "-XX:+UseG1GC -XX:+UseStringDeduplication -Xss4m -Xms100m";
installPhase = ''
mkdir -p $out/bin
# This variant is not targeted at any particular client, clients are
# expected to declare their supported features in initialization options.
makeWrapper ${jre}/bin/java $out/bin/metals \
--prefix PATH : ${lib.makeBinPath [ jdk ]} \
--add-flags "${extraJavaOpts} -cp $CLASSPATH scala.meta.metals.Main"
# Further variants targeted at clients with featuresets pre-set.
makeWrapper ${jre}/bin/java $out/bin/metals-emacs \
--prefix PATH : ${lib.makeBinPath [ jdk ]} \
--add-flags "${extraJavaOpts} -Dmetals.client=emacs -cp $CLASSPATH scala.meta.metals.Main"
makeWrapper ${jre}/bin/java $out/bin/metals-vim \
--prefix PATH : ${lib.makeBinPath [ jdk ]} \
--add-flags "${extraJavaOpts} -Dmetals.client=coc.nvim -cp $CLASSPATH scala.meta.metals.Main"
makeWrapper ${jre}/bin/java $out/bin/metals-vim-lsc \
--prefix PATH : ${lib.makeBinPath [ jdk ]} \
--add-flags "${extraJavaOpts} -Dmetals.client=vim-lsc -cp $CLASSPATH scala.meta.metals.Main"
makeWrapper ${jre}/bin/java $out/bin/metals-sublime \
--prefix PATH : ${lib.makeBinPath [ jdk ]} \
--add-flags "${extraJavaOpts} -Dmetals.client=sublime -cp $CLASSPATH scala.meta.metals.Main"
'';
meta = with stdenv.lib; {
homepage = "https://scalameta.org/metals/";
license = licenses.asl20;
description = "Work-in-progress language server for Scala";
maintainers = with maintainers; [ ceedubs tomahna ];
};
}