#!/bin/sh
# ntp hotplug script for travelmate
# Copyright (c) 2020-2026 Dirk Brenken (dev@brenken.org)
# This is free software, licensed under the GNU General Public License v3.

# set (s)hellcheck exceptions
# shellcheck disable=all

trm_init="/etc/init.d/travelmate"
trm_ntplock="/var/run/travelmate/travelmate.ntp.lock"

# ensure runtime directory exists
#
[ ! -d "${trm_ntplock%/*}" ] && mkdir -p "${trm_ntplock%/*}"

# check for ntp hotplug event and travelmate service autostart condition
#
case "${stratum}" in
"") ;;
*[!0-9]*) exit 0 ;;
*) [ "${stratum}" -lt "16" ] || exit 0 ;;
esac
if [ "${ACTION}" = "stratum" ] && "${trm_init}" enabled; then
	if mkdir "${trm_ntplock}" 2>/dev/null; then
		logger -p user.info -t "trm-ntp" "get ntp time sync (stratum: ${stratum:-"-"})"
	fi
fi