anchor.diff:  
     installPhase = ''
       python setup.py install --prefix $out
  -    wrapProgram $out/bin/batti --set PYTHONPATH "$PYTHONPATH:$(toPythonPath $out)"
  +    wrapProgram "$out/bin/batti" \
  +      --set PYTHONPATH "$PYTHONPATH:$(toPythonPath $out)" \
  +      --set GDK_PIXBUF_MODULE_FILE "$GDK_PIXBUF_MODULE_FILE" \
  +      --prefix XDG_DATA_DIRS : "$out/share:$XDG_ICON_DIRS:$GSETTINGS_SCHEMAS_PATH"
     '';
   
   
  
positive.code:   };
  
    buildInputs = with stdenv.lib;
    [ pkgconfig makeWrapper gettext python gtk pygtk dbus_python upower ];
  
    configurePhase = "true";
  
  
negative.code: { stdenv, fetchurl
  , pkgconfig, gettext, python
  , gtk, pygtk, dbus_python
  , gdk_pixbuf, upower
  , makeWrapper }:
  
  stdenv.mkDerivation rec {
  
  