anchor.diff:      dconf
       evolution-data-server
       gdm
  -    geocode-glib
  +    geocode-glib_2
       glib
       gnome-desktop
       gnome-menus
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "gnome-panel";
    version = "3.44.0";
  
    outputs = [ "out" "dev" "man" ];
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
      hash = "sha256-mWVfddAxh2wTDtI8TaIsCZ57zEBIsCVaPDo7vHh7Mao=";
    };
  
    patches = [
  
negative.code: { stdenv
  , lib
  , fetchurl
  , autoreconfHook
  , dconf
  , evolution-data-server
  , gdm
  , geocode-glib_2
  , gettext
  , glib
  , gnome-desktop
  