anchor.diff:  
     src = fetchurl {
       url    = "mirror://gnome/sources/${pname}/${networkmanager.major}/${name}.tar.xz";
  -    sha256 = "02b42e7c17c9cd6c840563750da92ce58da1ec621df7f0c2402016026e727756";
  +    sha256 = "431b7b4876638c6a537c8bf9c91a9250532b3d960b22b056df554695a81e4499";
     };
   
     configureFlags = [ "--sysconfdir=/etc" ];
  
positive.code: { stdenv, fetchurl, intltool, pkgconfig, libglade, networkmanager, gnome3
  , libnotify, libsecret, polkit, isocodes
  , mobile_broadband_provider_info, glib_networking, gsettings_desktop_schemas
  , makeWrapper, udev, libgudev, hicolor_icon_theme }:
  
  stdenv.mkDerivation rec {
    name    = "${pname}-${version}";
  
negative.code:   buildInputs = [
      gnome3.gtk libglade networkmanager libnotify libsecret gsettings_desktop_schemas
      polkit isocodes makeWrapper udev libgudev gnome3.gconf gnome3.libgnome_keyring
      modemmanager jansson
    ];
  
    nativeBuildInputs = [ intltool pkgconfig ];
  