anchor.diff:      imagemagick
       makeWrapper
       pkgconfig
  -    xmlto docbook_xml_dtd_45 
  +    xmlto docbook_xml_dtd_45
       docbook_xsl findXMLCatalogs
     ];
  -   
  +
     propagatedUserEnvPkgs = [ hicolor_icon_theme ];
     buildInputs = [ cairo librsvg dbus gdk_pixbuf gobjectIntrospection
                     git lgi libpthreadstubs libstartup_notification
  
positive.code: with luaPackages; stdenv.mkDerivation rec {
    name = "awesome-${version}";
    version = "4.2";
    
    src = fetchFromGitHub {
      owner = "awesomewm";
      repo = "awesome";
  
negative.code:   postInstall = ''
      wrapProgram $out/bin/awesome \
        --set GDK_PIXBUF_MODULE_FILE "$GDK_PIXBUF_MODULE_FILE" \
        --prefix LUA_CPATH ";" '${lgi}/lib/lua/${lua.luaversion}/?.so' \
        --prefix LUA_PATH ";" '${lgi}/share/lua/${lua.luaversion}/?.lua' \
        --prefix GI_TYPELIB_PATH : "$GI_TYPELIB_PATH" \
        --prefix LD_LIBRARY_PATH : "$LD_LIBRARY_PATH" \
        --prefix PATH : "${stdenv.lib.makeBinPath [ compton unclutter procps iproute coreutils curl alsaUtils findutils xterm ]}"
  