anchor.diff:  , wrapGAppsHook
   , meson
   , ninja
  -, python3
   , gsettings-desktop-schemas
   , itstool
   , gnome
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "gnome-system-monitor";
    version = "42.alpha";
  
    src = fetchurl {
      url = "mirror://gnome/sources/gnome-system-monitor/${lib.versions.major version}/${pname}-${version}.tar.xz";
      sha256 = "puK3mIgkm/YQpVaOCvjq2gFNiQ1PwXxWb2Gk21lHqMo=";
    };
  
    nativeBuildInputs = [
  
negative.code:     wrapGAppsHook
      meson
      ninja
    ];
  
    buildInputs = [
  