anchor.diff:  , fetchFromGitHub
   , glib
   , pkg-config
  -, wrapGAppsHook
  +, wrapGAppsHook4
   , gtk4
   }:
   
  
positive.code:     "--skip=file_list::tests"
  
      # sometimes fails on darwin
      "image_list::tests::save_current_image_overwrites_image_at_current_image_path_when_filename_is_set_to_none"
    ];
  
    postInstall = ''
  
negative.code: 
    cargoSha256 = "sha256-cUE2IZOunR/NIo/qytORRfNqCsf87LfpKA8o/v4Nkhk=";
  
    nativeBuildInputs = [ glib pkg-config wrapGAppsHook4 ];
  
    buildInputs = [ gtk4 ];
  
  