anchor.diff:    ];
   
     buildInputs = [
  -    libxfce4util
       libxfce4ui
       xfce4-panel
  -    gtk3
  +    xfconf
     ];
   
     passthru.updateScript = xfce.updateScript {
  
positive.code: , fetchurl
  , pkg-config
  , intltool
  , libxfce4util
  , xfce4-panel
  , libxfce4ui
  , gtk3
  , xfce
  }:
  
  
negative.code:   category = "panel-plugins";
  in stdenv.mkDerivation rec {
    pname  = "xfce4-systemload-plugin";
    version = "1.3.1";
  
    src = fetchurl {
      url = "mirror://xfce/src/${category}/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.bz2";
      sha256 = "0lknh5l30qs5c69wwjcblbyhczvdbxs59fqkb8mpqbfm05w01lan";
    };
  
    nativeBuildInputs = [
  