{ ... }:

{

  boot.initrd.kernelModules = [ "thinkpad_acpi" ];

  boot.initrd.preLVMCommands = ''
    # Turn on keyboard backlight before asking for drive encryption password
    echo 1 > /sys/class/leds/tpacpi::kbd_backlight/brightness

    # Show battery levels
    echo
    echo "Battery level: External $(cat /sys/class/power_supply/BAT1/capacity)% Internal $(cat /sys/class/power_supply/BAT0/capacity)%"
    echo
  '';

}