{
  systemConfiguration = { config, ... }: {
    isNormalUser = true;
    # TODO: Don't hard-code `persist`.  Use
    # config.sydnix.impermanence.persistGroupName.
    extraGroups = [ "wheel" "persist" ];
    initialHashedPassword =
      "$y$j9T$aEFDDwdTZbAc6VQRXrkBJ0$K8wxTGTWDihyX1wxJ.ZMH//wmQFfrGGUkLkxIU0Lyq8";
  };

  homeConfiguration = { config, lib, pkgs, ... }: {
    imports = [ ./programs.nix ];

    sydnix = {
      sops = {
        enable = true;
        secrets = {
          example-user-key = {};
        };
      };
    };

    home = {
      packages = [
      ];

      # Don't touch!
      stateVersion = "18.09";
    };
  };
}