anchor.diff:  }:
   stdenv.mkDerivation rec {
     pname = "ardour";
  -  version = "6.5";
  +  version = "6.7";
   
     # don't fetch releases from the GitHub mirror, they are broken
     src = fetchgit {
       url = "git://git.ardour.org/ardour/ardour.git";
       rev = version;
  -    sha256 = "0sd38hchyr16biq9hcxha4ljy3pf0yhcgn90i5zfqcznnc57ildx";
  +    sha256 = "19jc29fjwgvqbg3gnmy50mrz8mh5x4nwddglasvwx83nc87qwllx";
     };
   
     patches = [
  
positive.code: , curl
  , dbus
  , doxygen
  , ffmpeg_3
  , fftw
  , fftwSinglePrec
  , flac
  
negative.code:     sed 's|/usr/include/libintl.h|${glibc.dev}/include/libintl.h|' -i wscript
      patchShebangs ./tools/
      substituteInPlace libs/ardour/video_tools_paths.cc \
        --replace 'ffmpeg_exe = X_("");' 'ffmpeg_exe = X_("${ffmpeg}/bin/ffmpeg");' \
        --replace 'ffprobe_exe = X_("");' 'ffprobe_exe = X_("${ffmpeg}/bin/ffprobe");'
    '';
  
    postInstall = ''
  