anchor.diff:      installFlags = buildFlags;
   
       meta = with lib; {
  -      homepage = "https://github.com/jbrundiers/vdr-plugin-markad";
  +      homepage = "https://github.com/kfb77/vdr-plugin-markad";
         description = "MarkAd marks advertisements in VDR recordings.";
         maintainers = [ maintainers.ck3d ];
         license = licenses.gpl2;
  
positive.code:     buildFlags = [
        "DESTDIR=$(out)"
        "LIBDIR=/lib/vdr"
        "APIVERSION=${vdr.version}"
        "VDRDIR=${vdr.dev}/include/vdr"
        "LOCDIR=/share/locale"
  
negative.code: 
    markad = stdenv.mkDerivation rec {
      pname = "vdr-markad";
      version = "3.0.25";
  
      src = fetchFromGitHub {
        repo = "vdr-plugin-markad";
        owner = "kfb77";
        sha256 = "sha256-m7cUAxwXj62spelHYH6uTIoViSavSR0d4psr7+KLJg8=";
        rev = "v${version}";
      };
  
      buildInputs = [ vdr ffmpeg ];
  
      postPatch = ''
        substituteInPlace command/Makefile --replace '/usr' ""
  