{ buildRubyGem, makeWrapper, ruby, coreutils }: buildRubyGem rec { inherit ruby; name = "${gemName}-${version}"; gemName = "bundler"; version = "1.13.6"; sha256 = "1xyhy9cn8w9passp64p6hb3df2fpiqbds6rj7xha1335xpgj5zgs"; dontPatchShebangs = true; postFixup = '' sed -i -e "s/activate_bin_path/bin_path/g" $out/bin/bundle ''; }