anchor.diff:    };
   
     gcloud-golang = buildFromGoogle {
  -    rev = "d567b4f285019812c6946493e147d2e802c1de67";
  +    rev = "0793d9ac230c99b0d557d11fa3101568a381872f";
       repo = "cloud";
  -    sha256 = "0y969c4lv40x8k0z07ga5qknf6g3szrya8x5cd1b74a6znyvmgn3";
  +    sha256 = "0ky175103j6qql2crkv64d7bbkgfky42wkzxa9pzfmazjidap4ba";
       propagatedBuildInputs = [ net oauth2 protobuf google-api-go-client grpc ];
       excludedPackages = "oauth2";
       meta.hydraPlatforms = [ ];
  -    date = "2016-02-08";
  +    date = "2016-02-09";
     };
   
     gcloud-golang-compute-metadata = buildFromGoogle {
  
positive.code:   };
  
    yaml-v2 = buildFromGitHub {
      rev = "7ad95dd0798a40da1ccdff6dff35fd177b5edf40";
      date = "2015-06-24";
      owner = "go-yaml";
      repo = "yaml";
      sha256 = "0d4jh46jq2yjg5dp00l7yl9ilhly7k4mfvi4harafd5ap5k9wnpb";
      goPackagePath = "gopkg.in/yaml.v2";
    };
  
  
negative.code:   };
  
    golang-lru = buildFromGitHub {
      date = "2016-02-07";
      rev = "a0d98a5f288019575c6d1f4bb1573fef2d1fcdc4";
      owner  = "hashicorp";
      repo   = "golang-lru";
      sha256 = "1z3h4aca31l3qs0inqr5l49vrlycpjm7vq1l9nh1mp0mb2ij0kmp";
    };
  
    golang-petname = buildFromGitHub {
  