{ mkDerivation, base, fetchurl, mtl, process }:
mkDerivation {
  pname = "libgit";
  version = "0.3.1";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [ base mtl process ];
  homepage = "https://github.com/vincenthz/hs-libgit";
  description = "Simple Git Wrapper";
  license = stdenv.lib.licenses.bsd3;
}