anchor.diff:      sha256 = "1yjhjhk3jzjip13lq009vlg84lm2lzwhac5jy0aq3vkcz6rp94rc";
     };
   
  +  # TODO: This patch should be included with the next release after v1.2.1
  +  #       these lines should be removed when this happens.
  +  patches = [
  +    (fetchpatch {
  +        name = "FB_ORCA_AGENT_version_bump.patch";
  +        url = "https://github.com/bitlbee/bitlbee-facebook/commit/49ea312d98b0578b9b2c1ff759e2cfa820a41f4d.patch";
  +        sha256 = "0nzyyg8pw4f2jcickcpxq7r2la5wgl7q6iz94lhzybrkhss5753d";
  +      }
  +    )
  +  ];
  +
     nativeBuildInputs = [ autoconf automake libtool pkg-config ];
   
     buildInputs = [ bitlbee json-glib ];
  
positive.code:     ./autogen.sh
    '';
  
    meta = {
      description = "The Facebook protocol plugin for bitlbee";
  
      homepage = "https://github.com/bitlbee/bitlbee-facebook";
      license = licenses.gpl2Plus;
      platforms = lib.platforms.linux;
    };
  }
  
negative.code: { lib, fetchFromGitHub, fetchpatch, stdenv, bitlbee, autoconf, automake, libtool, pkg-config, json-glib }:
  
  stdenv.mkDerivation rec {
    pname = "bitlbee-facebook";
    version = "1.2.1";
  