anchor.diff:    };
   
     gcloud-golang = buildFromGitHub {
  -    rev = "v0.1.0";
  +    rev = "05253f6a829103296c351b643f6815aedd81a3fb";
  +    date = "2016-08-17";
       owner = "GoogleCloudPlatform";
       repo = "gcloud-golang";
  -    sha256 = "0ffivk0nrna5wf7vk4a7djfwjq1hfnj9w3lw6afazdf6zsgpqp7x";
  +    sha256 = "65e80ea0c3255382962635c5c7af441b12e0560ef1c8774144ca3f866c6f90b9";
       goPackagePath = "cloud.google.com/go";
       goPackageAliases = [
         "google.golang.org/cloud"
  
positive.code:   };
  
    gcloud-golang-compute-metadata = buildFromGitHub {
      inherit (gcloud-golang) rev owner repo sha256 goPackagePath goPackageAliases;
      subPackages = [ "compute/metadata" "internal" ];
      buildInputs = [ net ];
    };
  
negative.code:   };
  
    gcloud-golang-for-go4 = buildFromGitHub {
      inherit (gcloud-golang) rev date owner repo sha256 goPackagePath goPackageAliases;
      subPackages = [
        "storage"
      ];
  