anchor.diff:  
       # needed by meson_post_install.sh
       python3
  -    glib.dev
  +    glib
       desktop-file-utils
     ];
   
  
positive.code: { lib, stdenv
  , gettext
  , fetchurl
  , pkg-config
  
negative.code: , python3
  , desktop-file-utils
  , wrapGAppsHook
  , gnome
  }:
  
  stdenv.mkDerivation rec {
    pname = "gnome-power-manager";
    version = "43.0";
  
    src = fetchurl {
      url = "mirror://gnome/sources/gnome-power-manager/${lib.versions.major version}/gnome-power-manager-${version}.tar.xz";
      sha256 = "faq0i73bMOnfKrplDLYNBeZnyfiFrOagoeeVDgy90y8=";
    };
  
    nativeBuildInputs = [
  