tag:
{
  pkgs,
  lib,
  buildPythonPackage,
  migen,
  pyyaml,
}:
buildPythonPackage {
  pname = "litedram";
  version = "${tag}";

  src = pkgs.fetchFromGitHub {
    owner = "enjoy-digital";
    repo = "litedram";
    rev = "${tag}";
    hash = "sha256-EaUszy0v6r5sKM5d5YmpRbR8Cf9xITObU71zUpg9cLU=";
  };

  buildInputs = [
    pyyaml
    migen
  ];

  checkPhase = ''
    python -m unittest test
  '';
  doCheck = true;
}