anchor.diff:    '';
   
     preConfigure = ''
  -    # Verify that the correct version of the third party repositories is used.
  +    # Verify that the correct version of each third party repository is used.
   
       grep -q '^set(OBJECTS_VERSION "${objects-version}")$' CMakeLists.txt \
         || (echo "OBJECTS_VERSION differs!"; exit 1)
  
positive.code:     owner = "OpenRCT2";
      repo = "OpenRCT2";
      rev = "v${openrct2-version}";
      sha256 = "0xmj0qs49d1xlc8lbspr1vg66i0jdjlhcfxci72x6knjvd0vcgz0";
    };
  
    objects-src = fetchFromGitHub {
  
negative.code: }:
  
  let
    openrct2-version = "0.3.5.1";
  
    # Those versions MUST match the pinned versions within the CMakeLists.txt
    # file. The REPLAYS repository from the CMakeLists.txt is not necessary.
  