anchor.diff:      goPackagePath = "github.com/kardianos/osext";
       goPackageAliases = [
         "github.com/bugsnag/osext"
  +      "bitbucket.org/kardianos/osext"
       ];
   
       src = fetchFromGitHub {
  
positive.code:     rev = "295c7b21db5d9525ad959e3382610f3aff029663";
      name = "asn1-ber-${stdenv.lib.strings.substring 0 7 rev}";
      goPackagePath = "github.com/vanackere/asn1-ber";
  
      src = fetchFromGitHub {
        inherit rev;
  
negative.code:     rev  = "2bf08f0edee49297358bd06a0c9bf44ba9051e9c";
      name = "hologram-${stdenv.lib.strings.substring 0 7 rev}";
      goPackagePath = "github.com/AdRoll/hologram";
  
      src = fetchFromGitHub {
        inherit rev;
        owner  = "copumpkin";
        repo   = "hologram";
        sha256 = "1ra6rdniqh3pi84fm29zam4irzv52a1dd2sppaqngk07f7rkkhi4";
      };
      buildInputs = [ crypto protobuf goamz rgbterm go-bindata go-homedir vanackere.ldap g2s gox ];
    };
  
    http2 = buildGoPackage rec {
  