{
  config,
  lib,
  ...
}: let
  tailscale_data_directory = "/var/lib/tailscale";
in {
  options = {
    services.tailscale.impermanence.enable = lib.mkOption {
      type = lib.types.bool;
      default = config.services.tailscale.enable && config.storage.impermanence.enable;
    };
  };

  config = lib.mkIf config.services.tailscale.enable {
    storage.datasets.replicate."system/root" = {
      directories."${tailscale_data_directory}" = lib.mkIf config.services.tailscale.impermanence.enable {
        enable = true;
        owner.name = "root";
        group.name = "root";
      };
    };
  };
}