nixpkgs/pkgs/development/tools/scalafmt/default.nix

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{ stdenv, fetchurl, unzip, jre }:
stdenv.mkDerivation rec {
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version = "0.6.8";
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baseName = "scalafmt";
name = "${baseName}-${version}";
src = fetchurl {
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url = "https://github.com/scalameta/scalafmt/releases/download/v${version}/${baseName}.tar.gz";
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sha256 = "1iaanrxk5lhxx1zj9gbxzgqbnyy1azfrab984mga7di5z1hs02s2";
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};
unpackPhase = "tar xvzf $src";
installPhase = ''
mkdir -p "$out/bin"
mkdir -p "$out/lib"
cp cli/target/scala-2.11/scalafmt.jar "$out/lib/${name}.jar"
cat > "$out/bin/${baseName}" << EOF
#!${stdenv.shell}
exec ${jre}/bin/java -jar "$out/lib/${name}.jar" "\$@"
EOF
chmod a+x "$out/bin/${baseName}"
'';
meta = with stdenv.lib; {
description = "Opinionated code formatter for Scala";
homepage = http://scalafmt.org;
license = licenses.asl20;
platforms = platforms.linux;
maintainers = [ maintainers.markus1189 ];
};
}