openwrt-packages-dist/net/travelmate/files/travelmate_ntp.hotplug

#!/bin/sh
# ntp hotplug script for travelmate
# Copyright (c) 2020-2021 Dirk Brenken (dev@brenken.org)
# This is free software, licensed under the GNU General Public License v3.

# set (s)hellcheck exceptions
# shellcheck disable=3023

trm_init="/etc/init.d/travelmate"
trm_ntpfile="/var/state/travelmate.ntp"
trm_logger="$(command -v logger)"

if [ "${ACTION}" = "stratum" ] && [ ! -f "${trm_ntpfile}" ] && "${trm_init}" enabled; then
	{
		if flock -xn 1001; then
			"${trm_logger}" -p "info" -t "trm-ntp  [${$}]" "get ntp time sync" 2>/dev/null
			"${trm_init}" restart
		fi
	} 1001>"${trm_ntpfile}"
fi