anchor.diff:      transmission_head = self.transmission_head.override {
         useStableVersionUserAgent = true;
       };
  -    #desktop = self.haskellPackages.ghcWithPackages (self : with self; [
  +    #desktop = self.haskellPackages.ghcWithPackages (self: with self; [
       #  haskell-ngPackages.xdgBasedir
        # xmonad
         #yi
  
positive.code:         cdrtools
          ffmpeg_head
          flac
          mediainfo
          #mixxx
          #mkvtoolnix
          opus-tools
  
negative.code:         #icedtea8_web
          ninja
          nodejs
          openjdk
          perl
          # FIXME: errors with python 3.6
          #python3Packages.aws-cli
  