anchor.diff:  , gobject-introspection
   , gtk3
   , json-glib
  -, python
   , pythonPackages
   , raptor2
   , sqlite
  
positive.code:   inherit (stdenv.lib)
      boolEn;
  
    versionMajor = "1.0";
    versionMinor = "";
    version = "${versionMajor}"; #.${versionMinor}";
  in
  stdenv.mkDerivation rec {
    name = "zeitgeist-${version}";
  
    src = fetchurl {
      url = "https://launchpad.net/zeitgeist/${versionMajor}/${version}/"
        + "+download/${name}.tar.xz";
      sha256 = "5ff508508f7a7b46acc9fbf1cf73fecb1aec214e18d9d22325aae8c2c2e8ddc8";
    };
  
    nativeBuildInputs = [
  
negative.code:     gobject-introspection
      gtk3
      json-glib
      pythonPackages.python
      pythonPackages.rdflib
      raptor2
      sqlite
  