anchor.diff:      version = 2;
       owner = "ncw";
       repo = "rclone";
  -    rev = "37fe6d56e5ff5f7dd0b41f9466ea7492d588fdfc";
  -    sha256 = "1jm1zv46jic4218zy3dzl995n63z1d6974d9841c8gqfl077b56l";
  +    rev = "381b8453070d4c9d6ada204eae6efd72cc65971d";
  +    sha256 = "0ly4506v6xc1km9y2axdlk8cnsxbfxvykxxdhy2k9dhh3r9c1gvs";
       propagatedBuildInputs = [
         aws-sdk-go
         cobra
  
positive.code:       testify
      ];
      meta.useUnstable = true;
      date = "2017-01-30";
    };
  
    cupcake_rdb = buildFromGitHub {
  
negative.code: 
    google-cloud-go = buildFromGitHub {
      version = 2;
      date = "2017-01-20";
      rev = "3258e6905e9694db9bcd41910c65ecc30ae6dbbe";
      owner = "GoogleCloudPlatform";
      repo = "google-cloud-go";
      sha256 = "0vy16ryvn8yl2xqnnq20qk5zn40nkf56iy760rk83m8rkd5v3rdz";
      goPackagePath = "cloud.google.com/go";
      goPackageAliases = [
        "google.golang.org/cloud"
  