self: super: {
  ympd = super.ympd.overrideAttrs(old: {
    pname = "ympd";
    version = "612f8fc-master";
    src = self.fetchFromGitHub {
      owner = "notandy";
      repo = "ympd";
      rev = "612f8fc0b2c47fc89d403e4a044541c6b2b238c8";
      sha256 = "01hnj10zl103mrn82vyd42fvq7w5az3jf1qz18889zv67kn73ll9";
      fetchSubmodules = true;
    };
    patches = (old.patches or []) ++ [ ./ympd-password-env.patch ];
  });
}