anchor.diff:      # cd/dvd
       cdparanoia libdvdcss libdvdread
       # others
  -    ffmpeg libmusicbrainz2
  +    ffmpeg libmusicbrainz2 shared_mime_info
     ];
     postFixup =
       let k3bPath = lib.makeBinPath [
  
positive.code:     # qt
      qtwebkit
      # kde
      libkcddb kcmutils kfilemetadata knewstuff knotifyconfig solid kxmlgui
      # formats
      flac lame libmad libmpcdec libvorbis
      # sound utilities
  
negative.code: { mkDerivation, lib
  , extra-cmake-modules, kdoctools, makeWrapper
  , qtwebkit
  , libkcddb, karchive, kcmutils, kfilemetadata, knewstuff, knotifyconfig, solid, kxmlgui
  , flac, lame, libmad, libmpcdec, libvorbis
  , libsamplerate, libsndfile, taglib
  , cdparanoia, cdrdao, cdrtools, dvdplusrwtools, libburn, libdvdcss, libdvdread, vcdimager
  , ffmpeg, libmusicbrainz2, normalize, sox, transcode, shared_mime_info
  }:
  
  mkDerivation {
  