anchor.diff:      moveToOutput lib/${python2Packages.python.libPrefix} "$py"
     '';
   
  -  outputs = [ "out" ] ++ stdenv.lib.optional pythonSupport "py";
  -
     meta = with stdenv.lib; {
       description = "A service which logs the users's activities and events";
  -    homepage = https://launchpad.net/zeitgeist;
  +    homepage = http://zeitgeist.freedesktop.org/;
       maintainers = with maintainers; [ lethalman ];
       license = licenses.gpl2;
       platforms = platforms.linux;
  
positive.code:   version = "1.0.1";
    name = "zeitgeist-${version}";
  
    src = fetchgit {
      url = "git://anongit.freedesktop.org/git/zeitgeist/zeitgeist";
      rev = "v${version}";
      sha256 = "1lgqcqr5h9ba751b7ajp7h2w1bb5qza2w3k1f95j3ab15p7q0q44";
    };
  
negative.code: { stdenv, fetchFromGitLab, pkgconfig, glib, sqlite, gobjectIntrospection, vala
  , autoconf, automake, libtool, gettext, dbus, telepathy-glib
  , gtk3, json-glib, librdf_raptor2, dbus-glib
  , pythonSupport ? true, python2Packages
  