anchor.diff:  , pkgconfig
   , substituteAll
   , wrapGAppsHook
  -, zenity }:
  +, zenity
  +}:
   
  -let
  +stdenv.mkDerivation rec {
     pname = "metacity";
  -  version = "3.36.1";
  -in stdenv.mkDerivation rec {
  -  name = "${pname}-${version}";
  +  version = "3.37.1";
   
     src = fetchurl {
  -    url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${name}.tar.xz";
  -    sha256 = "08xkq5i6czvms0ygbj7ywzl70q1l0z44nfh6b43q8rmjwa9pdw0i";
  +    url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
  +    sha256 = "09m102lpy68730y8y7vjyaw3cavlbdbiyix6s0kgna23bbcz7ml0";
     };
   
     patches = [
  
positive.code: , gnome3
  , gsettings-desktop-schemas
  , gtk3
  , libcanberra-gtk3
  , libgtop
  , libstartup_notification
  
negative.code:   ];
  
    buildInputs = [
      xorg.libXres
      glib
      gsettings-desktop-schemas
      gtk3
  