nixpkgs/pkgs/development/tools/misc/chruby/default.nix
Charles Strahan a8a9b93d98 chruby: allow for specifying Rubies to use
This allows the user to specify an attrset of Rubies to use with chruby by
overriding the default of ~/.rubies with a path to a symlink tree.
2014-10-27 03:48:30 +00:00

44 lines
1.1 KiB
Nix

{ stdenv, lib, fetchFromGitHub, runCommand, rubies ? null }:
let
rubiesEnv = runCommand "chruby-env" { preferLocalBuild = true; } ''
mkdir $out
${lib.concatStrings
(lib.mapAttrsToList (name: path: "ln -s ${path} $out/${name}\n") rubies)}
'';
in stdenv.mkDerivation rec {
name = "chruby";
src = fetchFromGitHub {
owner = "postmodern";
repo = "chruby";
rev = "d5ae98410311aec1358d4cfcc1e3ec02de593c3b";
sha256 = "1iq9milnnj3189yw02hkly2pnnh4g0vn2fxq6dfx90kldjwpwxq5";
};
phases = [ "unpackPhase" "patchPhase" "installPhase" "fixupPhase" ];
patches = lib.optionalString (rubies != null) [
./env.patch
];
postPatch = lib.optionalString (rubies != null) ''
substituteInPlace share/chruby/chruby.sh --replace "@rubiesEnv@" ${rubiesEnv}
'';
installPhase = ''
mkdir $out
cp -r bin $out
cp -r share $out
'';
meta = with lib; {
description = "Changes the current Ruby";
homepage = https://github.com/postmodern/chruby;
license = licenses.mit;
platforms = platforms.unix;
maintainers = with maintainers; [ cstrahan ];
};
}