{ buildRubyGem, ruby }: buildRubyGem rec { inherit ruby; name = "${gemName}-${version}"; gemName = "bundler"; version = "2.3.9"; source.sha256 = "sha256-VZiKuSDP3sSoBXUPcPmwHR/GbZs47NIF+ZlXtHSZWzg="; dontPatchShebangs = true; postFixup = '' sed -i -e "s/activate_bin_path/bin_path/g" $out/bin/bundle ''; }