cyrus-imapd/SOURCES/cyrus-imapd.cron-daily

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2020-05-14 22:12:11 +00:00
#!/bin/sh
#
# This file is run on a daily basis to perform a backup of your
# mailbox list which can be used to recreate mailboxes.db from backup.
# Restore is done using ctl_mboxlist after uncompressing the file.
BACKDIR="/var/lib/imap/backup"
MBOXLIST="${BACKDIR}/mboxlist"
ROTATE=6
# fallback to su if runuser not available
if [ -x /sbin/runuser ]; then
RUNUSER=runuser
else
RUNUSER=su
fi
# source custom configuration
if [ -f /etc/sysconfig/cyrus-imapd ]; then
. /etc/sysconfig/cyrus-imapd
fi
[ -x /usr/sbin/ctl_mboxlist ] || exit 0
[ -f /var/lib/imap/db/skipstamp ] || exit 0
# rotate mailbox lists
seq $[ $ROTATE - 1 ] -1 1 | while read i; do
[ -f ${MBOXLIST}.${i}.gz ] && mv -f ${MBOXLIST}.${i}.gz ${MBOXLIST}.$[ $i + 1 ].gz
done
[ -f ${MBOXLIST}.gz ] && mv -f ${MBOXLIST}.gz ${MBOXLIST}.1.gz
# export mailboxes.db
$RUNUSER - cyrus -s /bin/sh -c "umask 077 < /dev/null ; /usr/sbin/ctl_mboxlist -d | gzip > ${MBOXLIST}.gz"
exit 0
# EOF