{ lib, stdenv, jre, coursier, makeWrapper, setJavaClassPath }: let baseName = "scalafmt"; version = "3.7.9"; deps = stdenv.mkDerivation { name = "${baseName}-deps-${version}"; buildCommand = '' export COURSIER_CACHE=$(pwd) ${coursier}/bin/cs fetch org.scalameta:scalafmt-cli_2.13:${version} > deps mkdir -p $out/share/java cp $(< deps) $out/share/java/ ''; outputHashMode = "recursive"; outputHash = "sha256-r4vv62H0AryjZb+34fVHvqvndipOYyf6XpQC9u8Dxso="; }; in stdenv.mkDerivation { pname = baseName; inherit version; nativeBuildInputs = [ makeWrapper setJavaClassPath ]; buildInputs = [ deps ]; dontUnpack = true; installPhase = '' runHook preInstall makeWrapper ${jre}/bin/java $out/bin/${baseName} \ --add-flags "-cp $CLASSPATH org.scalafmt.cli.Cli" runHook postInstall ''; installCheckPhase = '' $out/bin/${baseName} --version | grep -q "${version}" ''; meta = with lib; { description = "Opinionated code formatter for Scala"; homepage = "http://scalameta.org/scalafmt"; license = licenses.asl20; maintainers = [ maintainers.markus1189 ]; }; }