args @ { fetchurl, ... }:
rec {
  baseName = ''cffi-grovel'';
  version = ''cffi_0.18.0'';

  description = ''The CFFI Groveller'';

  deps = [ args."alexandria" args."cffi" args."cffi-toolchain" ];

  src = fetchurl {
    url = ''http://beta.quicklisp.org/archive/cffi/2016-10-31/cffi_0.18.0.tgz'';
    sha256 = ''0g4clx9l9c7iw9hiv94ihzp4zb80yq3i5j6lr3vkz9z2dndzcpzz'';
  };

  overrides = x: {
    postInstall = ''
        echo "$CL_SOURCE_REGISTRY"
        NIX_LISP_PRELAUNCH_HOOK='nix_lisp_run_single_form "(asdf:load-system :cffi-grovel)"' "$out/bin/cffi-grovel-lisp-launcher.sh" ""
    '';
  };
}