anchor.diff:  , python3
   , ninja
   , vala
  +, gnome-settings-daemon
   , gtk3
   , granite
   , wingpanel
  
positive.code:   ];
  
    buildInputs = [
      granite
      gtk3
      libcanberra-gtk3
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "wingpanel-indicator-sound";
    version = "6.0.2";
  
    src = fetchFromGitHub {
      owner = "elementary";
      repo = pname;
      rev = version;
      sha256 = "sha256-hifEd2uL1sBLF8H8KwYoxCyVpGkv9f4SqD6WmB7xJ7I=";
    };
  
    nativeBuildInputs = [
  