anchor.diff:    };
   
     net = buildFromGitHub {
  -    rev = "e45385e9b226f570b1f086bf287b25d3d4117776";
  -    date = "2016-04-07";
  +    rev = "fb93926129b8ec0056f2f458b1f519654814edf0";
  +    date = "2016-04-13";
       owner  = "golang";
       repo   = "net";
  -    sha256 = "12ryxsg2zppqcd1ax3n6zzbndjabgq151ywpc0ry25cgyh4bj9sb";
  +    sha256 = "16s8jz1nv4pvm6zgpsd88jlk74qij6y63jkyhpdxavv8n9c7dsk7";
       goPackagePath = "golang.org/x/net";
       goPackageAliases = [
         "code.google.com/p/go.net"
  
positive.code:   };
  
    ginkgo = buildFromGitHub {
      rev = "105b4823ee2cbebc2b5c562d9ac50694ecc2c689";
      owner = "onsi";
      repo = "ginkgo";
      sha256 = "f3a2d2dea7501738b51c2164575a62b7672f9f6cb4fecc8ac110d0f22890db4e";
      date = "2016-04-04";
    };
  
    git-annex-remote-b2 = buildFromGitHub {
  
negative.code: 
  
    protobuf = buildFromGitHub {
      rev = "f0a097ddac24fb00e07d2ac17f8671423f3ea47c";
      date = "2016-04-13";
      owner = "golang";
      repo = "protobuf";
      sha256 = "13kz83dbm56p6qi2qzi8j0xns3v1s5ksrj5xnh8z2abrzmnq3ymc";
      goPackagePath = "github.com/golang/protobuf";
      goPackageAliases = [ "code.google.com/p/goprotobuf" ];
    };
  
    snappy = buildFromGitHub {
      rev = "fa0b0e6289e9a08f133cb431fc5fca8e2265767c";
      date = "2016-04-12";
      owner  = "golang";
      repo   = "snappy";
      sha256 = "0rbid0f2p2wak74yp5gv712nsfl9q6lll6r4v80nhjyfvzv24i30";
      goPackageAliases = [ "code.google.com/p/snappy-go/snappy" ];
    };
  
  