anchor.diff:    };
   
     gcloud-golang = buildFromGoogle {
  -    rev = "7b74a8091e8f9470c1977a210a15dceac1da8824";
  +    rev = "d567b4f285019812c6946493e147d2e802c1de67";
       repo = "cloud";
  -    sha256 = "02llkihwkq5b56zjw6qymrrjkzyp9q24dws9xx2bpj3r5i1pjv20";
  +    sha256 = "0y969c4lv40x8k0z07ga5qknf6g3szrya8x5cd1b74a6znyvmgn3";
       propagatedBuildInputs = [ net oauth2 protobuf google-api-go-client grpc ];
       excludedPackages = "oauth2";
       meta.hydraPlatforms = [ ];
  -    date = "2016-02-05";
  +    date = "2016-02-08";
     };
   
     gcloud-golang-compute-metadata = buildFromGoogle {
  
positive.code:   };
  
    groupcache = buildFromGitHub {
      date = "2016-01-27";
      rev = "d995f8a6686adff0b1f2f20c52ef4114981d2006";
      owner  = "golang";
      repo   = "groupcache";
      sha256 = "11qqsm196v19wlaq39cchcvsf8vrdzd43rfsp39qpf253slc6jl1";
      buildInputs = [ protobuf ];
    };
  
    grpc = buildFromGitHub {
      rev = "66b94b9f6b45652d6824be23517979d31f27cd15";
      date = "2016-02-03";
      owner = "grpc";
      repo = "grpc-go";
      sha256 = "093sh1ic6qj8mn8nd91rk5h5gs2qkr5dk9ix09428niqxgm5fy0s";
      goPackagePath = "google.golang.org/grpc";
      goPackageAliases = [ "github.com/grpc/grpc-go" ];
      propagatedBuildInputs = [ http2 net protobuf oauth2 glog ];
  
negative.code:   };
  
    go4 = buildFromGitHub {
      date = "2016-02-08";
      rev = "40a0492aa096a3be30c750c4e2216de52a6cf2e3";
      owner = "camlistore";
      repo = "go4";
      sha256 = "1la2jj92mxgvlszhas4vx879pc244f4iyb1svbws30f057kq5psd";
      goPackagePath = "go4.org";
      goPackageAliases = [ "github.com/camlistore/go4" ];
      buildInputs = [ gcloud-golang net ];
  