anchor.diff:      ];
     };
   
  -  gcloud-golang = buildFromGitHub {
  -    version = 2;
  -    date = "2016-10-31";
  -    rev = "2fc1b4432b57fa2dd641d443a4b88157f03b2f12";
  -    owner = "GoogleCloudPlatform";
  -    repo = "gcloud-golang";
  -    sha256 = "0kw56i92qy68c1hbdbpg6hk8q3a78d7k4zbv19vg9d3rbjjzmzaa";
  -    goPackagePath = "cloud.google.com/go";
  -    goPackageAliases = [
  -      "google.golang.org/cloud"
  -    ];
  -    propagatedBuildInputs = [
  -      net
  -      oauth2
  -      protobuf
  -      google-api-go-client
  -      grpc
  -    ];
  -    excludedPackages = "oauth2";
  -    meta.useUnstable = true;
  -  };
  -
  -  gcloud-golang-for-go4 = buildFromGitHub {
  -    inherit (gcloud-golang) rev date owner repo sha256 version goPackagePath goPackageAliases meta;
  -    subPackages = [
  -      "storage"
  -    ];
  -    propagatedBuildInputs = [
  -      gax-go
  -      google-api-go-client
  -      grpc
  -      net
  -      oauth2
  -    ];
  -  };
  -
  -  gcloud-golang-compute-metadata = buildFromGitHub {
  -    inherit (gcloud-golang) rev date owner repo sha256 version goPackagePath goPackageAliases meta;
  -    subPackages = [ "compute/metadata" "internal" ];
  -    buildInputs = [ net ];
  -  };
  -
     genproto = buildFromGitHub {
       version = 2;
       date = "2016-10-07";
  
positive.code:       prometheus_common
        yaml_v2
      ];
      meta.broken = true;
    };
  
    prometheus_client_golang = buildFromGitHub {
  
negative.code:     propagatedBuildInputs = [
        goutils_logging
      ];
    };
  
    google-cloud-go = buildFromGitHub {
      version = 2;
      date = "2016-10-28";
      rev = "28994ff9b5baa92fe337dacaee126fcf80fefa3e";
      owner = "GoogleCloudPlatform";
      repo = "google-cloud-go";
      sha256 = "5a4a4c2ee67056246371b7e59eb48b8bfeb11a965afe5fbaedae1532f521314d";
      goPackagePath = "cloud.google.com/go";
      goPackageAliases = [
        "google.golang.org/cloud"
      ];
      propagatedBuildInputs = [
        net
        oauth2
        protobuf
        google-api-go-client
        grpc
      ];
      excludedPackages = "oauth2";
      meta.useUnstable = true;
    };
  
    google-cloud-go-for-go4 = buildFromGitHub {
      inherit (google-cloud-go) rev date owner repo sha256 version goPackagePath goPackageAliases meta;
      subPackages = [
        "storage"
      ];
      propagatedBuildInputs = [
        gax-go
        google-api-go-client
        grpc
        net
        oauth2
      ];
    };
  
    google-cloud-go-compute-metadata = buildFromGitHub {
      inherit (google-cloud-go) rev date owner repo sha256 version goPackagePath goPackageAliases meta;
      subPackages = [ "compute/metadata" "internal" ];
      buildInputs = [ net ];
    };
  
    gopcap = buildFromGitHub {
  