anchor.diff:  
     go-nats-streaming = buildFromGitHub {
       version = 3;
  -    rev = "74358b8d57b1beed7a9cebbe332437f46ac2aed4";
  +    rev = "1b74f22f414c315e983e8aa6dea3571c999a31b2";
       owner = "nats-io";
       repo = "go-nats-streaming";
  -    sha256 = "1vwssdpmz2ai2s6wzhn7c12ixh9bkzdz1v2ilv1lm7fkinw031sd";
  +    sha256 = "057hidxf2kqhwrvzz21i5a53b44xvb6g2dyzp2rd0za0ykp99a1y";
       propagatedBuildInputs = [
         go-nats
         nuid
         gogo_protobuf
       ];
  -    date = "2017-08-09";
  +    date = "2017-08-18";
     };
   
     go-netrc = buildFromGitHub {
  
positive.code: 
    memberlist = buildFromGitHub {
      version = 3;
      rev = "ea4ef7f066304a8e6f28bdb958888fe899f3b44e";
      owner = "hashicorp";
      repo = "memberlist";
      sha256 = "0w34qqcjbjr276lw0h8rsri7lck9bib1dd6n900h0q5cnyv69mmp";
      propagatedBuildInputs = [
        dns
        ugorji_go
  
negative.code:     version = 3;
      owner = "russross";
      repo = "blackfriday";
      rev = "4048872b16cc0fc2c5fd9eacf0ed2c2fedaa0c8c";
      sha256 = "ddb0f4a4debe1ad4a210213c95fdf3c08cc21f18fd6a7cc3b76ed45228d57781";
      propagatedBuildInputs = [
        sanitized-anchor-name
      ];
      # V2 breaks goorgeus right now
      meta.autoUpdate = true;
    };
  
    blake2b-simd = buildFromGitHub {
  