52 lines
1.5 KiB
Nix
52 lines
1.5 KiB
Nix
{stdenv, fetchurl, ruby, rubygems, makeWrapper, patches, overrides}:
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let
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gemDefaults = { name, basename, requiredGems, sha256, meta }:
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{
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buildInputs = [rubygems ruby makeWrapper];
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unpackPhase = ":";
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configurePhase=":";
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bulidPhase=":";
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src = fetchurl {
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url = "http://rubygems.org/downloads/${name}.gem";
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inherit sha256;
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};
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name = "ruby-${name}";
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propagatedBuildInputs = requiredGems;
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inherit meta;
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installPhase = ''
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export HOME=$TMP/home; mkdir -pv "$HOME"
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gem install -V --ignore-dependencies \
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-i "$out/${ruby.gemPath}" -n "$out/bin" "$src" $gemFlags -- $buildFlags
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rm -frv $out/${ruby.gemPath}/cache # don't keep the .gem file here
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addToSearchPath GEM_PATH $out/${ruby.gemPath}
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for prog in $out/bin/*; do
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wrapProgram "$prog" \
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--prefix GEM_PATH : "$GEM_PATH" \
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--prefix RUBYLIB : "${rubygems}/lib" \
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--set RUBYOPT 'rubygems'
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done
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for prog in $out/gems/*/bin/*; do
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[[ -e "$out/bin/$(basename $prog)" ]]
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done
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runHook postInstall
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'';
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};
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mb = stdenv.lib.maybeAttr;
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patchedGem = a: stdenv.mkDerivation (removeAttrs (stdenv.lib.mergeAttrsByFuncDefaults
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([ (gemDefaults a) ]
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++ (stdenv.lib.concatMap (p: [(mb a.basename {} p) (mb a.name {} p)] )
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patches)))
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[ "mergeAttrBy" ]);
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in
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aName: a@{ name, basename, requiredGems, sha256, meta }:
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stdenv.lib.foldl (d: o: mb name (mb basename d o) o) (patchedGem a) overrides
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