pyrox.dev
1{ stdenv, lib, coursier, jre, makeWrapper, setJavaClassPath }:
2
3stdenv.mkDerivation rec {
4 pname = "metals";
5 version = "0.11.9";
6
7 deps = stdenv.mkDerivation {
8 name = "${pname}-deps-${version}";
9 buildCommand = ''
10 export COURSIER_CACHE=$(pwd)
11 ${coursier}/bin/cs fetch org.scalameta:metals_2.13:${version} \
12 -r bintray:scalacenter/releases \
13 -r sonatype:snapshots > deps
14 mkdir -p $out/share/java
15 cp -n $(< deps) $out/share/java/
16 '';
17 outputHashMode = "recursive";
18 outputHashAlgo = "sha256";
19 outputHash = "sha256-CJ34OZOAM0Le9U0KSe0nKINnxA3iUgqUMtS06YnjvVo=";
20 };
21
22 nativeBuildInputs = [ makeWrapper setJavaClassPath ];
23 buildInputs = [ deps ];
24
25 dontUnpack = true;
26
27 extraJavaOpts = "-XX:+UseG1GC -XX:+UseStringDeduplication -Xss4m -Xms100m";
28
29 installPhase = ''
30 mkdir -p $out/bin
31
32 makeWrapper ${jre}/bin/java $out/bin/metals \
33 --add-flags "${extraJavaOpts} -cp $CLASSPATH scala.meta.metals.Main"
34 '';
35
36 meta = with lib; {
37 homepage = "https://scalameta.org/metals/";
38 license = licenses.asl20;
39 description = "Work-in-progress language server for Scala";
40 maintainers = with maintainers; [ fabianhjr tomahna ];
41 };
42}