anchor.diff:      date = "2016-03-18";
     };
   
  +  crypt = buildFromGitHub {
  +    owner = "xordataexchange";
  +    repo = "crypt";
  +    rev = "749e360c8f236773f28fc6d3ddfce4a470795227";
  +    date = "2015-05-23";
  +    sha256 = "a5dfaca2c8a2e8e731ce3e912a5a610dc9e43838c55867fe0df66cbc6f05807d";
  +    propagatedBuildInputs = [
  +      consul
  +      crypto
  +    ];
  +    patches = [
  +      (fetchTritonPatch {
  +        rev = "77ff70bae635d2ac5bae8c647120d336070a579e";
  +        file = "crypt/crypt-2015-05-remove-etcd-support.patch";
  +        sha256 = "e942558fc230884e4ddbbafd97f7a3ea56bacdfea90a24f8790d37c399265904";
  +      })
  +    ];
  +    postPatch = ''
  +      sed -i backend/consul/consul.go \
  +        -e 's,"github.com/armon/consul-api",consulapi "github.com/hashicorp/consul/api",'
  +    '';
  +  };
  +
     cssmin = buildFromGitHub {
       owner = "dchest";
       repo = "cssmin";
  
positive.code:     '';
    };
  
    b = buildFromGitHub {
      date = "2016-02-10";
      rev = "47184dd8c1d2c7e7f87dae8448ee2007cdf0c6c4";
  
negative.code:   };
  
    rcrowley_go-metrics = buildFromGitHub {
      rev = "cfa5a85e9f0abbdf1701b59082c36fc7bff10759";
      date = "2016-06-13";
      owner = "rcrowley";
      repo = "go-metrics";
      sha256 = "0bk7r6f960w4pyc366w63v4fa2zwmzlakrqsc957wq93l32l0r0h";
      propagatedBuildInputs = [ stathat ];
    };
  
  