anchor.diff:      pkg-config
       desktop-file-utils
       wrapGAppsHook4
  +    gettext
  +    glib
     ];
   
     buildInputs = [
  
positive.code: { stdenv
  , lib
  , desktop-file-utils
  , fetchpatch
  , fetchurl
  , glib
  , gtk4
  , libadwaita
  , meson
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "d-spy";
    version = "1.2.1";
  
    outputs = [ "out" "lib" "dev" ];
  
    src = fetchurl {
      url = "mirror://gnome/sources/dspy/${lib.versions.majorMinor version}/dspy-${version}.tar.xz";
      sha256 = "TjnA1to687eJASJd0VEjOFe+Ihtfs62CwdsVhyNrZlI=";
    };
  
    nativeBuildInputs = [
      meson
  