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