bool nautilus_sendto_installed = Environment.find_program_in_path(SENDTO_EXEC) != null;
    if (!nautilus_sendto_installed)
    {
       DBus.Connection connection;

       try {
         connection = DBus.Bus.get (DBus.BusType.SESSION);
       } catch (DBus.Error error) {
         warning ("Error: %s\n", error.message);
         return;
       };

       DBus.Object object = connection.get_object ("org.freedesktop.PackageKit",
                                                   "org/freedesktop/PackageKit",
                                                   "org.freedesktop.PackageKit.Modify");
       GLib.Error error;
       if (!object.call ("InstallPackageNames", out error,
                         typeof (string), "nautilus-sendto",
                         typeof (string), "",
                         GLib.Type.INVALID, GLib.Type.INVALID))
       {
         warning ("Error: %s\n", error.message);
         return;
       }
     }