48 lines
1.7 KiB
Nix
48 lines
1.7 KiB
Nix
{ lib, stdenv, callPackage, runCommand, ruby }@defs:
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# Use for simple installation of Ruby tools shipped in a Gem.
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# Start with a Gemfile that includes `gem <toolgem>`
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# > nix-shell -p bundler bundix
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# (shell)> bundle lock
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# (shell)> bundix
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# Then use rubyTool in the default.nix:
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# rubyTool { pname = "gemifiedTool"; gemdir = ./.; exes = ["gemified-tool"]; }
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# The 'exes' parameter ensures that a copy of e.g. rake doesn't polute the system.
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{
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# use the name of the name in question; its version will be picked up from the gemset
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pname
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# gemdir is the location of the Gemfile{,.lock} and gemset.nix; usually ./.
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, gemdir
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# Exes is the list of executables provided by the gems in the Gemfile
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, exes ? []
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# Scripts are ruby programs depend on gems in the Gemfile (e.g. scripts/rails)
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, scripts ? []
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, ruby ? defs.ruby
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, gemfile ? null
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, lockfile ? null
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, gemset ? null
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, preferLocalBuild ? false
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, allowSubstitutes ? false
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, meta ? {}
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, postBuild ? ""
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}@args:
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let
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basicEnv = (callPackage ../bundled-common {}) args;
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cmdArgs = removeAttrs args [ "pname" "postBuild" ]
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// { inherit preferLocalBuild allowSubstitutes; }; # pass the defaults
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in
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runCommand basicEnv.name cmdArgs ''
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mkdir -p $out/bin;
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${(lib.concatMapStrings (x: "ln -s '${basicEnv}/bin/${x}' $out/bin/${x};\n") exes)}
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${(lib.concatMapStrings (s: "makeWrapper $out/bin/$(basename ${s}) $srcdir/${s} " +
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"--set BUNDLE_GEMFILE ${basicEnv.confFiles}/Gemfile "+
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"--set BUNDLE_PATH ${basicEnv}/${ruby.gemPath} "+
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"--set BUNDLE_FROZEN 1 "+
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"--set GEM_HOME ${basicEnv}/${ruby.gemPath} "+
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"--set GEM_PATH ${basicEnv}/${ruby.gemPath} "+
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"--run \"cd $srcdir\";\n") scripts)}
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${postBuild}
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''
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