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#!/bin/sh
# Set the system clock from hardware clock
# If the timestamp is 1 day or more recent than the current time,
# use the timestamp instead.
SYSTEMDATE=$(/bin/date -u "+%4Y%2m%2d%2H%2M")
TIMESTAMP=$(/bin/cat /etc/timestamp 2>/dev/null)
if [ ${TIMESTAMP} -gt $SYSTEMDATE ] 2>/dev/null ; then
echo "Update systemtime from /etc/timestamp"
/bin/date -u ${TIMESTAMP#????}${TIMESTAMP%????????}
fi
if [ "$1" = "--save" ] ; then
/bin/date -u +%4Y%2m%2d%2H%2M > /etc/timestamp
fi
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