anchor.diff:    };
   
     protobuf = buildGoPackage rec {
  -    rev = "36be16571e14";
  -    name = "goprotobuf-${rev}";
  -    goPackagePath = "code.google.com/p/goprotobuf";
  -    src = fetchhg {
  -      inherit rev;
  -      url = "https://code.google.com/p/goprotobuf";
  -      sha256 = "14yay2sgfbbs0bx3q03bdqn1kivyvxfdm34rmp2612gvinlll215";
  +    rev = "5677a0e3d5e89854c9974e1256839ee23f8233ca";
  +    name = "goprotobuf-${stdenv.lib.strings.substring 0 7 rev}";
  +    goPackagePath = "github.com/golang/protobuf";
  +    src = fetchFromGitHub {
  +      inherit rev;
  +      owner = "golang";
  +      repo = "protobuf";
  +      sha256 = "18dzxmy0gfjnwa9x8k3hv9calvmydv0dnz1iibykkzd20gw4l85v";
       };
       subPackages = [ "proto" "protoc-gen-go" ];
     };
  
positive.code:     };
      preBuild = ''
        cd "go/src/$goPackagePath"
        # Work around `go install` assuming containing directory is the executable name we want
        for i in */bin; do
          mv "$i" "$(dirname "$i")/$(dirname "$i")"
        done
  
        # Generate protobuf definitions and static assets
        make protocol/hologram.pb.go
        make transport/remote/bindata.go
      '';
  
      buildInputs = [ pkgs.protobuf crypto protobuf goamz rgbterm go-bindata go-homedir ldap g2s gox ];
    };
  
    influxdb-go = buildGoPackage rec {
  
negative.code:     doCheck = false; # please check again
    };
  
    govers = buildGoPackage rec {
      rev = "3b5f175f65d601d06f48d78fcbdb0add633565b9";
      name = "govers-${stdenv.lib.strings.substring 0 7 rev}";
      goPackagePath = "github.com/rogpeppe/govers";
      src = fetchFromGitHub {
        inherit rev;
        owner = "rogpeppe";
        repo = "govers";
        sha256 = "0din5a7nff6hpc4wg0yad2nwbgy4q1qaazxl8ni49lkkr4hyp8pc";
      };
    };
  
    gox = buildGoPackage rec {
      rev = "e8e6fd4fe12510cc46893dff18c5188a6a6dc549";
      name = "gox-${stdenv.lib.strings.substring 0 7 rev}";
  