nixpkgs/pkgs/development/interpreters/ruby/gem.nix
2014-10-26 17:34:52 +00:00

88 lines
2.1 KiB
Nix

{ ruby, fetchurl, rake, rubygemsFun, makeWrapper, lib, git }:
{ name
, namePrefix ? "ruby${ruby.majorVersion}" + "-"
, buildInputs ? []
, doCheck ? false
, dontBuild ? true
, meta ? {}
, gemPath ? []
, testTask ? "test"
, ...} @ attrs:
let
rubygems = rubygemsFun ruby;
depsPath = lib.concatStringsSep ":" (map (g: "${g}/${ruby.gemPath}") gemPath);
in ruby.stdenv.mkDerivation (attrs // {
inherit doCheck;
buildInputs = [ rubygems makeWrapper git ] ++ buildInputs;
name = namePrefix + name;
src = if attrs ? src
then attrs.src
else fetchurl {
url = "http://rubygems.org/downloads/${attrs.name}.gem";
inherit (attrs) sha256;
};
unpackPhase = ''
gem unpack $src --target=gem-build
cd gem-build/*
'';
buildPhase = ''
runHook preBuild
${git}/bin/git init
${git}/bin/git add .
if gem build *.gemspec; then
export src=*.gem
else
echo >&2 "gemspec missing, not rebuilding gem"
fi
runHook postBuild
'';
installPhase = ''
runHook preInstall
GEM_HOME=$out/${ruby.gemPath} \
gem install -p http://nodtd.invalid \
--build-root / -n "$out/bin" "$src" $gemFlags -- $buildFlags
rm -frv $out/${ruby.gemPath}/cache # don't keep the .gem file here
for prog in $out/bin/*; do
wrapProgram "$prog" \
--prefix GEM_PATH : "$out/${ruby.gemPath}:$GEM_PATH" \
--prefix RUBYLIB : "${rubygems}/lib" \
--set RUBYOPT rubygems \
$extraWrapperFlags ''${extraWrapperFlagsArray[@]}
done
for prog in $out/gems/*/bin/*; do
[[ -e "$out/bin/$(basename $prog)" ]]
done
# looks like useless files which break build repeatability and consume space
rm $out/${ruby.gemPath}/doc/*/*/created.rid || true
rm $out/${ruby.gemPath}/gems/*/ext/*/mkmf.log || true
mkdir -p $out/nix-support
cat > $out/nix-support/setup-hook <<EOF
if [[ "$GEM_PATH" != *$out/${ruby.gemPath}* ]]; then
addToSearchPath GEM_PATH $out/${ruby.gemPath}
fi
EOF
runHook postInstall
'';
propagatedBuildInputs = gemPath;
propagatedUserEnvPkgs = gemPath;
passthru.isRubyGem = true;
inherit meta;
})