anchor.diff:    };
   
     hcl = buildFromGitHub {
  -    date = "2016-02-10";
  -    rev = "1c284ec98f4b398443cbabb0d9197f7f4cc0077c";
  +    date = "2016-03-01";
  +    rev = "71c7409f1abba841e528a80556ed2c67671744c3";
       owner  = "hashicorp";
       repo   = "hcl";
  -    sha256 = "0adlb6r00v4b9lzdsi27h2s4jcd6v3z8gbb7xzarqi04xh8kni1d";
  +    sha256 = "09jzf8k68vcaxn1frq1y63y4brisbs4n5r89zxl7a9hr5xfsjx75";
     };
   
     hipchat-go = buildGoPackage rec {
  
positive.code:     ];
    };
  
    vcs = buildFromGitHub {
      rev    = "1.0.0";
      owner  = "Masterminds";
  
negative.code:     buildInputs = [ logrus docopt-go hipchat-go gopherduty consul-api opsgenie-go-sdk influxdb8-client ];
    };
  
    consul-template = buildFromGitHub {
      rev = "v0.13.0";
      owner = "hashicorp";
      repo = "consul-template";
      sha256 = "0zcx315f7xfw1bkxx2835zh8ql3zvwnqnzb8algkdqx7403jl6c5";
  
      buildInputs = [
        consul-api
        go-cleanhttp
        go-multierror
        go-reap
        go-syslog
        logutils
        mapstructure
        serf
        yaml-v2
        vault-api
      ];
    };
  
    context = buildGoPackage rec {
  