anchor.diff:  
     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;${lgi}/share/lua/${lua.luaversion}/lgi/?.lua"' \
         --prefix GI_TYPELIB_PATH : "$GI_TYPELIB_PATH" \
  
positive.code:   ];
     
    propagatedUserEnvPkgs = [ hicolor_icon_theme ];
    buildInputs = [ cairo dbus gdk_pixbuf gobjectIntrospection
                    git lgi libpthreadstubs libstartup_notification
                    libxdg_basedir lua nettools pango xcb-util-cursor
                    xorg.libXau xorg.libXdmcp xorg.libxcb xorg.libxshmfence
  
negative.code: { stdenv, fetchurl, fetchFromGitHub, luaPackages, cairo, librsvg, cmake, imagemagick, pkgconfig, gdk_pixbuf
  , xorg, libstartup_notification, libxdg_basedir, libpthreadstubs
  , xcb-util-cursor, makeWrapper, pango, gobjectIntrospection, unclutter
  , compton, procps, iproute, coreutils, curl, alsaUtils, findutils, xterm
  