anchor.diff:      sha256 = "185af0x475hq2wmm2zdvxjyslkplf8zzqijdxa937zqxq63qiw4w";
     };
   
  -  net-rpc-msgpackrpc = buildGoPackage rec {
  -    rev = "d377902b7aba83dd3895837b902f6cf3f71edcb2";
  -    name = "net-rpc-msgpackrpc-${stdenv.lib.strings.substring 0 7 rev}";
  -    goPackagePath = "github.com/hashicorp/net-rpc-msgpackrpc";
  -
  -    src = fetchFromGitHub {
  -      inherit rev;
  -      owner = "hashicorp";
  -      repo = "net-rpc-msgpackrpc";
  -      sha256 = "05q8qlf42ygafcp8zdyx7y7kv9vpjrxnp8ak4qcszz9kgl2cg969";
  -    };
  -
  -    propagatedBuildInputs = [ ugorji.go ];
  +  net-rpc-msgpackrpc = buildFromGitHub {
  +    date = "2015-11-15";
  +    rev = "a14192a58a694c123d8fe5481d4a4727d6ae82f3";
  +    owner = "hashicorp";
  +    repo = "net-rpc-msgpackrpc";
  +    sha256 = "0sqx6zw211fjphj1j6w7bc5191csh2jn1wkihycsd4mk5kbwvjxp";
  +    propagatedBuildInputs = [ ugorji.go go-multierror ];
     };
   
     ngrok = buildFromGitHub {
  
positive.code:   };
  
    yamux = buildFromGitHub {
      rev    = "b2e55852ddaf823a85c67f798080eb7d08acd71d";
      owner  = "hashicorp";
      repo   = "yamux";
      sha256 = "0mr87my5m8lgc0byjcddlclxg34d07cpi9p78ps3rhzq7p37g533";
    };
  
    xdr = buildFromGitHub {
  
negative.code:   };
  
    golang-lru = buildFromGitHub {
      date   = "2015-11-28";
      rev    = "b361c4c189a958f7d0ad435952611c140751afe2";
      owner  = "hashicorp";
      repo   = "golang-lru";
      sha256 = "0hj1fa7iw2dv6zw0r6kalpn9vqxgb5mqw4p7nbnkdq5csz3qgiqj";
    };
  
    golang-petname = buildFromGitHub {
  