tuxedo-drivers: fix udev settings evaluation

    boot.extraModulePackages = [ tuxedo-drivers ];

    services.udev.packages = [

      tuxedo-drivers

      lib.mkIf

      (lib.any (v: v != null) cfg.settings)

      (pkgs.writeTextDir "etc/udev/rules.d/90-tuxedo.rules" (

    ]

    ++ lib.optional (lib.any (v: v != null) (lib.attrValues cfg.settings)) (

      pkgs.writeTextDir "etc/udev/rules.d/90-tuxedo.rules" (

        lib.concatLines (

          [ "# Custom rules for TUXEDO laptops" ]

          ++ (optUdevRule "charging_profile/charging_profile" cfg.settings.charging-profile)

          ++ (optUdevRule "charging_priority/charging_prio" cfg.settings.charging-priority)

          ++ (optUdevRule "fn_lock" cfg.settings.fn-lock)

        )

      ))

    ];

      )

    );

  };

}