anchor.diff:      owner = "OpenRCT2";
       repo = "OpenRCT2";
       rev = "v${openrct2-version}";
  -    sha256 = "0xmj0qs49d1xlc8lbspr1vg66i0jdjlhcfxci72x6knjvd0vcgz0";
  +    sha256 = "01v9nsabqjq8hjmyshcp7f5liagfq8sxx9i3yqqab7zk4iixag1h";
     };
   
     objects-src = fetchFromGitHub {
  
positive.code:   '';
  
    preConfigure = ''
      # Verify that the correct version of the third party repositories is used.
  
      grep -q '^set(OBJECTS_VERSION "${objects-version}")$' CMakeLists.txt \
        || (echo "OBJECTS_VERSION differs!"; exit 1)
  
negative.code:   meta = with lib; {
      description = "Open source re-implementation of RollerCoaster Tycoon 2 (original game required)";
      homepage = "https://openrct2.io/";
      downloadPage = "https://github.com/OpenRCT2/OpenRCT2/releases";
      license = licenses.gpl3Only;
      platforms = platforms.linux;
      maintainers = with maintainers; [ oxzi ];
  