anchor.diff:      substituteInPlace data/rtng-bookmark-editor.desktop \
         --replace radiotray-ng-notification radiotray-ng-on
     '';
  +
  +  cmakeFlags = stdenv.lib.optional doCheck "-DBUILD_TESTS=ON";
   
     enableParallelBuilding = true;
   
  
positive.code: in
  stdenv.mkDerivation rec {
    name = "radiotray-ng-${version}";
    version = "0.2.0";
  
    src = fetchFromGitHub {
      owner = "ebruck";
      repo = "radiotray-ng";
      rev = "v${version}";
      sha256 = "12mhi0q137cjdpmpczvrcr7szq1ja1r8bm0gh03b925y8xyrqp5z";
    };
  
    nativeBuildInputs = [ cmake pkgconfig wrapGAppsHook makeWrapper ];
  
negative.code:     ++ pythonInputs;
  
    prePatch = ''
      for x in debian/CMakeLists.txt include/radiotray-ng/common.hpp data/*.desktop; do
        substituteInPlace $x --replace /usr $out
      done
  
      # We don't find the radiotray-ng-notification icon otherwise
      substituteInPlace data/radiotray-ng.desktop \
  