anchor.diff:  , gtk3
   , libvirt
   , spice-gtk
  -, python3
   , appstream-glib
   , spice-protocol
   , libhandy
  
positive.code: 
    nativeBuildInputs = [
      appstream-glib # for appstream-util
      desktop-file-utils
      gettext
      gobject-introspection
      itstool
      meson
      ninja
      pkg-config
      python3
      vala
      wrapGAppsHook
    ];
  
    # Required for USB redirection PolicyKit rules file
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "gnome-boxes";
    version = "43.rc";
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
      sha256 = "NVes9/6x1eIEa8HcOnKayAFr3DehaYEOQ8aFEArnxq8=";
    };
  
    patches = [
  