#!/bin/sh

set -eu

if [ "$DEVICE_NUMBER" = 0 ]; then
    [ "$1" = on ] && exec numlockx on
    [ "$1" = off ] && exec numlockx off
elif [ "$DEVICE_NUMBER" = 1 ]; then
    [ "$1" = on ] && exec xset led named "Scroll Lock"
    [ "$1" = off ] && exec xset -led named "Scroll Lock"
else
    echo "Device number not supported" >&2
    exit 2
fi

echo "Invalid usage" >&2
exit 2