anchor.diff:    };
   
     meta = with stdenv.lib; {
  -    homepage = "https://goodies.xfce.org/projects/panel-plugins/${pname}";
  +    homepage = "https://docs.xfce.org/panel-plugins/xfce4-mpc-plugin";
       description = "MPD plugin for Xfce panel";
       platforms = platforms.linux;
  +    license = licenses.bsd2;
       maintainers = [ ];
  -    broken = true;
     };
   }
  
positive.code: 
  stdenv.mkDerivation rec {
    pname  = "xfce4-mpc-plugin";
    version = "0.4.5";
  
    src = fetchurl {
      url = "mirror://xfce/src/${category}/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.bz2";
      sha256 = "1kvgq1pq7cykqdc3227dq0izad093ppfw3nfsrcp9i8mi6i5f7z7";
    };
  
    nativeBuildInputs = [ pkgconfig ];
    buildInputs = [ intltool libxfce4util libxfce4ui xfce4-panel
      xfconf gtk2 exo ];
    
    passthru.updateScript = xfce.updateScript {
      inherit pname version;
      attrPath = "xfce.${pname}";
  
negative.code: { stdenv, fetchurl, pkgconfig, intltool, libxfce4util, xfce4-panel,
    libxfce4ui, gtk3, exo, xfce }:
  
  let
    category = "panel-plugins";
  