anchor.diff:  , ninja
   , pkg-config
   , reuse
  +, m4
   , wrapGAppsHook4
   , glib
   , gtk4
  
positive.code:     ninja
      pkg-config
      reuse
      wrapGAppsHook4
    ] ++ (with rustPlatform; [
      cargoSetupHook
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "amberol";
    version = "0.6.0";
  
    src = fetchFromGitLab {
      domain = "gitlab.gnome.org";
      owner = "World";
      repo = pname;
      rev = version;
      hash = "sha256-7cwoP2Dvlrq44orckhCjFGrSVDuG8WdW8wbpAjD5zhI=";
    };
  
    cargoDeps = rustPlatform.fetchCargoTarball {
      inherit src;
      name = "${pname}-${version}";
      hash = "sha256-CGPDaVS8F7H/tH0lRjFloWmZmW8NHheyZRCCqEavWeo=";
    };
  
    postPatch = ''
  