anchor.diff:  
   
     protobuf = buildFromGitHub {
  -    rev = "dda510ac0fd43b39770f22ac6260eb91d377bce3";
  -    date = "2016-03-30";
  +    rev = "f0a097ddac24fb00e07d2ac17f8671423f3ea47c";
  +    date = "2016-04-13";
       owner = "golang";
       repo = "protobuf";
  -    sha256 = "0p57v9q19rlvbi1gbr9h1chcg82knm2lm9ybn58m3z5qc4l3fdy4";
  +    sha256 = "13kz83dbm56p6qi2qzi8j0xns3v1s5ksrj5xnh8z2abrzmnq3ymc";
       goPackagePath = "github.com/golang/protobuf";
       goPackageAliases = [ "code.google.com/p/goprotobuf" ];
     };
   
     snappy = buildFromGitHub {
  -    rev = "cef980a12b316c5b7e5bb3a8e168eb43ae999a88";
  -    date = "2016-04-07";
  +    rev = "fa0b0e6289e9a08f133cb431fc5fca8e2265767c";
  +    date = "2016-04-12";
       owner  = "golang";
       repo   = "snappy";
  -    sha256 = "0sg5hln5v36rbyjb3izq0z9r5yz13vsdcc07ihajsvvhsvckk7cv";
  +    sha256 = "0rbid0f2p2wak74yp5gv712nsfl9q6lll6r4v80nhjyfvzv24i30";
       goPackageAliases = [ "code.google.com/p/snappy-go/snappy" ];
     };
   
  
positive.code:       "github.com/golang/net"
      ];
      propagatedBuildInputs = [ text crypto ];
    };
  
    oauth2 = buildFromGitHub {
  
negative.code:   };
  
    net = buildFromGitHub {
      rev = "fb93926129b8ec0056f2f458b1f519654814edf0";
      date = "2016-04-13";
      owner  = "golang";
      repo   = "net";
      sha256 = "16s8jz1nv4pvm6zgpsd88jlk74qij6y63jkyhpdxavv8n9c7dsk7";
      goPackagePath = "golang.org/x/net";
      goPackageAliases = [
        "code.google.com/p/go.net"
  