anchor.diff:      rev    = "r3.2.0";
       owner  = "mongodb";
       repo   = "mongo-tools";
  -    sha256 = "0rm7bnb81hr0byxhvagwv8an1bky882nz68cmm2kbznzyprvhyab";
  -    buildInputs = [ gopass go-flags mgo openssl tomb ];
  +    sha256 = "07z43vx3fwzxn03f4n0r89a8xadnqyvv7p48dpf69wksqbq8gzzl";
  +    buildInputs = [ crypto mgo go-flags gopass openssl tomb ];
       excludedPackages = "vendor";
   
       # Mongodb incorrectly names all of their binaries main
  
positive.code:   };
  
    mgo = buildFromGitHub {
      rev = "r2015.06.03";
      owner = "go-mgo";
      repo = "mgo";
      sha256 = "1bwqbngdy0ghwpvarsz8rlrirdmjrda44aghihpfmin06hxy3zcd";
      goPackagePath = "gopkg.in/mgo.v2";
      goPackageAliases = [ "github.com/go-mgo/mgo" ];
      buildInputs = [ pkgs.cyrus_sasl tomb ];
  
negative.code:   };
  
    go-flags = buildFromGitHub {
      date   = "2015-12-10";
      rev    = "aa34304f81c710f34c76e964a3d996ec1330711d";
      owner  = "jessevdk";
      repo   = "go-flags";
      sha256 = "0zr0qkxsplzj3llj4mmyrn7wlgs5rsmfv3pb3ahmnz9zvla3bnv4";
    };
  
    go-fuse = buildFromGitHub rec {
  