{ mkDerivation, base, fetchurl, gogol-core }:
mkDerivation {
  pname = "gogol-datastore";
  version = "0.3.0";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [ base gogol-core ];
  homepage = "https://github.com/brendanhay/gogol";
  description = "Google Cloud Datastore SDK";
  license = "unknown";
}