anchor.diff:      gappsWrapperArgs+=(--prefix PATH : "${lib.makeBinPath [ mtools cdrkit libcdio qemu-utils ]}")
     '';
   
  -  postPatch = ''
  -    chmod +x build-aux/post_install.py # patchShebangs requires executable file
  -    patchShebangs build-aux/post_install.py
  -  '';
  -
     passthru = {
       updateScript = gnome.updateScript {
         packageName = pname;
  
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: , gtk3
  , libvirt
  , spice-gtk
  , appstream-glib
  , spice-protocol
  , libhandy
  