anchor.diff:      kodiupdate = enableKodiupdate;
       lastgenre = enableLastfm;
       lastimport = enableLastfm;
  +    loadext = enableLoadext;
       mpdstats = enableMpd;
       mpdupdate = enableMpd;
  +    playlist = enablePlaylist;
       replaygain = enableReplaygain;
       sonosupdate = enableSonosUpdate;
  +    subsonicupdate = enableSubsonicupdate;
       thumbnails = enableThumbnails;
       web = enableWeb;
     };
  
positive.code: 
  in pythonPackages.buildPythonApplication rec {
    pname = "beets";
    version = "1.4.7";
  
    src = fetchFromGitHub {
      owner = "beetbox";
      repo = "beets";
      rev = "v${version}";
      sha256 = "17gfz0g7pqm6wha8zf63zpw07zgi787w1bjwdcxdh1l3z4m7jc9l";
    };
  
    propagatedBuildInputs = [
  
negative.code:   patches = [
      ./replaygain-default-bs1770gain.patch
      ./keyfinder-default-bin.patch
    ];
  
    postPatch = ''
  