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#!/bin/sh
set -e
if [ -r /etc/default/ntpdate ]; then
. /etc/default/ntpdate
fi
if [ "$NTPDATE_USE_NTP_CONF" = yes ]; then
for f in /etc/ntp.conf /etc/openntpd/ntpd.conf; do
if [ -r "$f" ]; then
file=$f
break
fi
done
if [ -n "$file" ]; then
NTPSERVERS=$(sed -rne 's/^(servers?|peer|pool)[[:space:]]+(-[46][[:space:]]+)?([-_.:[:alnum:]]+).*$/\3/p' "$file" | grep -v '^127\.127\.') || [ $? -le 1 ]
fi
fi
if [ -r /run/ntpdate.dhcp ]; then
. /run/ntpdate.dhcp
fi
exec /usr/sbin/ntpdate $NTPOPTIONS "$@" $NTPSERVERS
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