anchor.diff:    cmakeFlags = [ "-DBUILD_EXTENSION=OFF" ];
     wrapPrefixVariables = [ "PYTHONPATH" ];
   
  +  passthru = {
  +    updateScript = gnome3.updateScript {
  +      packageName = "chrome-gnome-shell";
  +    };
  +  };
  +
     meta = with stdenv.lib; {
       description = "GNOME Shell integration for Chrome";
  +    homepage = https://wiki.gnome.org/Projects/GnomeShellIntegrationForChrome;
       longDescription = ''
         To use the integration, install the <link xlink:href="https://wiki.gnome.org/Projects/GnomeShellIntegrationForChrome/Installation">browser extension</link>, and then set <option>services.gnome3.chrome-gnome-shell.enable</option> to <literal>true</literal>. For Firefox based browsers, you will also need to build the wrappers with <option>nixpkgs.config.firefox.enableGnomeExtensions</option> set to <literal>true</literal>.
       '';
  
positive.code: {stdenv, fetchurl, cmake, ninja, jq, python3, gnome3, wrapGAppsHook}:
  
  let
    version = "9";
  
    inherit (python3.pkgs) python pygobject3 requests;
  in stdenv.mkDerivation rec {
  
negative.code: 
    src = fetchurl {
      url = "mirror://gnome/sources/chrome-gnome-shell/${version}/${name}.tar.xz";
      sha256 = "1wp6qvcp758yfj8xlj15sk1d3jsb1p8136y8xxwpi9wfdjpzjs8j";
    };
  
    nativeBuildInputs = [ cmake ninja jq wrapGAppsHook ];
  