anchor.diff:    src = fetchurl {
       url = "mirror://sourceforge/mediainfo/source/libmediainfo/${version}/"
         + "libmediainfo_${version}.tar.xz";
  -    sha256 = "200d4d7c52b6b3c1bed455e75fbc5b899b0c74846eab45e368388c74a2250e2e";
  +    sha256 = "3624a187c7159a055805a475e4bbcfd3d55b77b765507fd066b205cd55902114";
     };
   
     nativeBuildInputs = [
  
positive.code:     install -D -m 644 -v 'libmediainfo.pc' "$out/lib/pkgconfig/libmediainfo.pc"
    '';
  
    meta = with stdenv.lib; {
      description = "Shared library for mediainfo";
      homepage = http://mediaarea.net/;
      license = licenses.bsd2;
  
negative.code: { stdenv
  , autoreconfHook
  , fetchurl
  , lib
  
  , curl
  , libmms
  