anchor.diff: -{ stdenv, fetchurl, pkgs, unzip, sqlite, makeWrapper, mono46, ffmpeg, ... }:
  +{ stdenv, fetchurl, pkgs, unzip, sqlite, makeWrapper, mono54, ffmpeg, ... }:
   
   stdenv.mkDerivation rec {
     name = "emby-${version}";
  
positive.code:     mkdir -p $out/bin
      cp -r * $out/bin
  
      makeWrapper "${mono46}/bin/mono" $out/bin/MediaBrowser.Server.Mono \
        --add-flags "$out/bin/MediaBrowser.Server.Mono.exe -ffmpeg ${ffmpeg}/bin/ffmpeg -ffprobe ${ffmpeg}/bin/ffprobe"
    '';
  
  
negative.code:     makeWrapper
    ];
    propagatedBuildInputs = with pkgs; [
      mono54
      sqlite
    ];
  
  