anchor.diff:    };
   
     testify = buildFromGitHub {
  -    version = 2;
  -    rev = "v1.1.4";
  +    version = 3;
  +    rev = "f6abca593680b2315d2075e0f5e2a9751e3f431a";
       owner = "stretchr";
       repo = "testify";
  -    sha256 = "0n3z8225px7rylkwz6rvf48ykrh591a7p8gc27a2dh2zskny5qsz";
  +    sha256 = "0mwxlfl20v7rylwkxda2j78q69xznp8sca427y1svi550f2paryn";
       propagatedBuildInputs = [
         go-difflib
         go-spew
         objx
       ];
  +    date = "2017-06-01";
     };
   
     kr_text = buildFromGitHub {
  
positive.code:     sha256 = "1l09ibm48a92q9galxf2q5d81a2b4rcd5qa11ss5if18v9wvcnfa";
    };
  
    scada-client = buildFromGitHub {
      version = 1;
      date = "2016-06-01";
  
negative.code:   };
  
    minio = buildFromGitHub {
      version = 3;
      owner = "minio";
      repo = "minio";
      rev = "RELEASE.2017-06-13T19-01-01Z";
      sha256 = "1c8hsmpwzadj7a6rj62ndpl3xcp25m60qzgpbz50kcbxpss9idx4";
      buildInputs = [
        amqp
        atomic
        azure-sdk-for-go
        cli_minio
        color
        cors
        crypto
        dsync
        elastic_v5
        gjson
        go-bindata-assetfs
        go-homedir_minio
        go-humanize
        go-nats
        go-nats-streaming
        go-version
        handlers
        jwt-go
        logrus
        mc_pkg
        minio-go
        mux
        mysql
        pb
        pq
        profile
        redigo
        reedsolomon
        rpc
        sarama_v1
        sha256-simd
        skyring-common
        structs
        yaml_v2
      ];
    };
  
  