anchor.diff:    buildInputs = [ glib gtk3 gnome3.defaultIconTheme libwnck3 gobjectIntrospection ];
   
     propagatedBuildInputs = with python3Packages; [ pygobject3 pep8 ];
  +
  +  passthru = {
  +    updateScript = gnome3.updateScript {
  +      packageName = pname;
  +      attrPath = "dfeet";
  +      versionPolicy = "none";
  +    };
  +  };
   
     meta = {
       description = "D-Feet is an easy to use D-Bus debugger";
  
positive.code: , python3Packages, wrapGAppsHook, gnome3, libwnck3, gobjectIntrospection }:
  
  let
    version = "${major}.13";
    major = "0.3";
  in python3Packages.buildPythonApplication rec {
    name = "d-feet-${version}";
    format = "other";
  
    src = fetchurl {
      url = "mirror://gnome/sources/d-feet/${major}/d-feet-${version}.tar.xz";
      sha256 = "1md3lzs55sg04ds69dbginpxqvgg3qnf1lfx3vmsxph6bbd2y6ll";
    };
  
  
negative.code:       and invoke methods on those interfaces.
      '';
  
      homepage = https://wiki.gnome.org/Apps/DFeet;
      platforms = stdenv.lib.platforms.all;
      license = stdenv.lib.licenses.gpl2;
      maintainers = with stdenv.lib.maintainers; [ ktosiek ];
  