anchor.diff:      gtk3
       glib
       upower
  -    gnome.adwaita-icon-theme
     ];
  +
  +  passthru = {
  +    updateScript = gnome.updateScript {
  +      packageName = "gnome-power-manager";
  +      attrPath = "gnome.gnome-power-manager";
  +    };
  +  };
   
     meta = with lib; {
       homepage = "https://gitlab.gnome.org/GNOME/gnome-power-manager";
  
positive.code: { lib, stdenv
  , gettext
  , fetchurl
  , pkg-config
  
negative.code: 
      # needed by meson_post_install.sh
      python3
      glib
      desktop-file-utils
    ];
  
  