#!/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"

[ -x /usr/lib/cyrus/ctl_mboxlist ] || exit 0

# rotate mailbox lists
[ -f ${mboxlist}.5.gz ] && mv -f ${mboxlist}.5.gz ${mboxlist}.6.gz
[ -f ${mboxlist}.4.gz ] && mv -f ${mboxlist}.4.gz ${mboxlist}.5.gz
[ -f ${mboxlist}.3.gz ] && mv -f ${mboxlist}.3.gz ${mboxlist}.4.gz
[ -f ${mboxlist}.2.gz ] && mv -f ${mboxlist}.2.gz ${mboxlist}.3.gz
[ -f ${mboxlist}.1.gz ] && mv -f ${mboxlist}.1.gz ${mboxlist}.2.gz
[ -f ${mboxlist}.gz   ] && mv -f ${mboxlist}.gz   ${mboxlist}.1.gz

# export mailboxes.db
su - cyrus -s /bin/sh -c "umask 077 ; /usr/lib/cyrus/ctl_mboxlist -d | gzip > ${mboxlist}.gz"

exit 0
# EOF