{ buildRubyGem, makeWrapper, ruby, coreutils }:

buildRubyGem rec {
  inherit ruby;
  name = "${gemName}-${version}";
  gemName = "bundler";
  version = "1.13.1";
  sha256 = "02gbjbv7wq33a17pzp83s36v4yg5r2l3rynkhrq1qlq6vc1n47yg";
  dontPatchShebangs = true;

  postFixup = ''
    sed -i -e "s/activate_bin_path/bin_path/g" $out/bin/bundle
  '';
}