anchor.diff:    };
   
     consul = buildFromGitHub {
  -    rev = "v0.6.0";
  +    rev = "v0.6.3";
       owner = "hashicorp";
       repo = "consul";
  -    sha256 = "0m0ajq6sbfax2nqfwjjqdv12whiblhw75jkpzg8i4fl85i2hridm";
  +    sha256 = "14vsm3f968qbbcx048il8rz2sgkn8yqgf4k2vnyfd92q86gqw9jq";
   
       buildInputs = [
  -      datadog-go circbuf armon_go-metrics go-radix bolt go-dockerclient errwrap
  -      go-checkpoint go-cleanhttp go-immutable-radix go-memdb ugorji_go
  -      go-multierror go-syslog golang-lru hcl logutils memberlist
  -      net-rpc-msgpackrpc raft raft-boltdb scada-client serf yamux
  -      muxado dns cli mapstructure columnize crypto
  +      datadog-go circbuf armon_go-metrics go-radix speakeasy bolt
  +      go-bindata-assetfs go-dockerclient errwrap go-checkpoint go-cleanhttp
  +      go-immutable-radix go-memdb ugorji_go go-multierror go-reap go-syslog
  +      golang-lru hcl logutils memberlist net-rpc-msgpackrpc raft raft-boltdb
  +      scada-client serf yamux muxado dns cli mapstructure columnize crypto sys
       ];
   
       # Keep consul.ui for backward compatability
  
positive.code:   };
  
    go-bindata-assetfs = buildFromGitHub {
      rev     = "d5cac425555ca5cf00694df246e04f05e6a55150";
      owner   = "elazarl";
      repo    = "go-bindata-assetfs";
      sha256  = "636ce247ff6f85c14f38a421f46662fa77bdc29762692e1f72b3cd1f9d7a1d17";
  
      date = "2015-08-13";
  
      meta = with stdenv.lib; {
        description = "Serves embedded files from jteeuwen/go-bindata with net/http";
  
negative.code:       repo = "go-shellwords";
        sha256 = "c792abe5fda48d0dfbdc32a84edb86d884a0ccbd9ed49ad48a30cda5ba028a22";
      };
    };
  
    go-reap = buildFromGitHub {
      rev = "2d85522212dcf5a84c6b357094f5c44710441912";
      owner  = "hashicorp";
      repo   = "go-reap";
      sha256 = "01pahld0vdssw6550bwhjbs0cm1g0hwd21lg1i57lk8i4pwp0fd9";
      date = "2016-01-13";
      buildInputs = [ sys ];
    };
  
    go-restful = buildFromGitHub {
  