42 lines
1.2 KiB
Nix
42 lines
1.2 KiB
Nix
{ stdenv, lib, coursier, jre, makeWrapper, setJavaClassPath }:
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stdenv.mkDerivation rec {
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pname = "metals";
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version = "0.11.12";
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deps = stdenv.mkDerivation {
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name = "${pname}-deps-${version}";
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buildCommand = ''
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export COURSIER_CACHE=$(pwd)
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${coursier}/bin/cs fetch org.scalameta:metals_2.13:${version} \
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-r bintray:scalacenter/releases \
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-r sonatype:snapshots > deps
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mkdir -p $out/share/java
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cp $(< deps) $out/share/java/
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'';
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outputHashMode = "recursive";
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outputHashAlgo = "sha256";
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outputHash = "sha256-3zYjjrd3Hc2T4vwnajiAMNfTDUprKJZnZp2waRLQjI4=";
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};
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nativeBuildInputs = [ makeWrapper setJavaClassPath ];
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buildInputs = [ deps ];
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dontUnpack = true;
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extraJavaOpts = "-XX:+UseG1GC -XX:+UseStringDeduplication -Xss4m -Xms100m";
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installPhase = ''
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mkdir -p $out/bin
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makeWrapper ${jre}/bin/java $out/bin/metals \
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--add-flags "${extraJavaOpts} -cp $CLASSPATH scala.meta.metals.Main"
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'';
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meta = with lib; {
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homepage = "https://scalameta.org/metals/";
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license = licenses.asl20;
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description = "Work-in-progress language server for Scala";
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maintainers = with maintainers; [ fabianhjr tomahna ];
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};
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}
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