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TIMESYNCD_CONF=/run/systemd/timesyncd.conf.d/01-dhclient.conf
timesyncd_servers_setup_remove() {
if [ ! -d /run/systemd/system ]; then
return
fi
if [ ! -x /lib/systemd/systemd-timesyncd ]; then
return
fi
if [ -e $TIMESYNCD_CONF ]; then
rm -f $TIMESYNCD_CONF
systemctl try-restart systemd-timesyncd.service || true
fi
}
timesyncd_servers_setup_add() {
if [ ! -d /run/systemd/system ]; then
return
fi
if [ ! -x /lib/systemd/systemd-timesyncd ]; then
return
fi
if [ -e $TIMESYNCD_CONF ] && [ "$new_ntp_servers" = "$old_ntp_servers" ]; then
return
fi
if [ -z "$new_ntp_servers" ]; then
timesyncd_servers_setup_remove
return
fi
mkdir -p $(dirname $TIMESYNCD_CONF)
cat <<EOF > ${TIMESYNCD_CONF}.new
# NTP server entries received from DHCP server
[Time]
NTP=$new_ntp_servers
EOF
mv ${TIMESYNCD_CONF}.new ${TIMESYNCD_CONF}
systemctl try-restart systemd-timesyncd.service || true
}
case $reason in
BOUND|RENEW|REBIND|REBOOT)
timesyncd_servers_setup_add
;;
EXPIRE|FAIL|RELEASE|STOP)
timesyncd_servers_setup_remove
;;
esac
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