anchor.diff:      };
       preBuild = ''
         cd "go/src/$goPackagePath"
  +
  +      govers -d -m code.google.com/p/goprotobuf github.com/golang/protobuf
  +
         # Work around `go install` assuming containing directory is the executable name we want
         for i in */bin; do
           mv "$i" "$(dirname "$i")/$(dirname "$i")"
         done
   
         # Generate protobuf definitions and static assets
  +      sed -i '1s|^|SHELL = ${stdenv.shell}\n|' Makefile
         make protocol/hologram.pb.go
         make transport/remote/bindata.go
       '';
   
  -    buildInputs = [ pkgs.protobuf crypto protobuf goamz rgbterm go-bindata go-homedir ldap g2s gox ];
  +    buildInputs = [ pkgs.protobuf crypto protobuf goamz rgbterm go-bindata
  +                    go-homedir ldap g2s gox govers ];
     };
   
     influxdb-go = buildGoPackage rec {
  
positive.code:   };
  
    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";
      };
      subPackages = [ "proto" "protoc-gen-go" ];
    };
  
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}";
  