anchor.diff:    });
   
   in rec {
  -
  -  push = zncDerivation rec {
  -    name = "znc-push-${version}";
  -    version = "1.0.0";
  -    module_name = "push";
  -
  -    src = fetchurl {
  -        url = "https://github.com/jreese/znc-push/archive/v${version}.tar.gz";
  -        sha256 = "1v9a16b1d8mfzhddf4drh6rbxa0szr842g7614r8ninmc0gi7a2v";
  -    };
  -
  -    meta = {
  -      description = "Push notification service module for ZNC";
  -      homepage = https://github.com/jreese/znc-push;
  -      repositories.git = https://github.com/jreese/znc-push.git;
  -      license = stdenv.lib.licenses.mit;
  -      maintainers = [ stdenv.lib.maintainers.offline ];
  -    };
  -  };
   
     fish = zncDerivation rec {
       name = "znc-fish-8e1f150fda";
  
positive.code: { stdenv, fetchurl, fetchgit,  znc }:
  
  let
  
    zncDerivation = a@{
      name, src, module_name,
      buildPhase ? "${znc}/bin/znc-buildmod ${module_name}.cpp",
  
negative.code:     };
    };
  
    push = zncDerivation rec {
      name = "znc-push-${version}";
      version = "git-2015-12-07";
      module_name = "push";
  
      src = fetchgit {
        url = "https://github.com/jreese/znc-push.git";
        rev = "717a2b1741eee75456b0862ef76dbb5af906e936";
        sha256 = "1lr5bhcy8156f7sbah7kjgz4g4mhkkwgvwjd2rxpbwnpq3ssza9k";
      };
  
      meta = {
        description = "Push notification service module for ZNC";
        homepage = https://github.com/jreese/znc-push;
        repositories.git = https://github.com/jreese/znc-push.git;
        license = stdenv.lib.licenses.mit;
        maintainers = [ stdenv.lib.maintainers.offline ];
      };
    };
  
  }
  