anchor.diff:  , libpeas
   , dbus
   , vala
  +, wrapGAppsHook
   , xorg
   , xvfb_run
   , libxml2
  
positive.code:     pkgconfig
      desktop-file-utils
      vala
    ];
  
    buildInputs = [
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "calls";
    version = "0.1.1";
  
    src = fetchFromGitLab {
      domain = "source.puri.sm";
      owner = "Librem5";
      repo = "calls";
      rev = "v${version}";
      sha256 = "01inx4mvrzvklwrfryw5hw9p89v8cn78m3qmv97g7a3v0h5c0n35";
    };
  
  