anchor.diff:  { stdenv
   , fetchurl
  -, file
   , gettext
  -, intltool
   , lib
  -#, meson
  -#, ninja
  +, meson
  +, ninja
   
   , glib
   , gobject-introspection
  
positive.code: }:
  
  let
    inherit (lib)
      boolEn;
  
    channel = "0.3";
    version = "${channel}.4";
  in
  stdenv.mkDerivation rec {
    name = "grilo-${version}";
  
negative.code:   src = fetchurl {
      url = "mirror://gnome/sources/grilo/${channel}/${name}.tar.xz";
      hashOutput = false;
      sha256 = "ea3baf71692df177649a968635ed2bc39855c34c327274245c240f726831e9b7";
    };
  
    nativeBuildInputs = [
      gettext
      meson
      ninja
      vala
    ];
  
  