#! /bin/sh
# prerm script for ejabberd
#
# see: dh_installdeb(1)

set -e

ctl() {
	local cmd='/usr/sbin/ejabberdctl'
	for arg in "$@"; do
		cmd="$cmd '$arg'"
	done
	su ejabberd -c "$cmd"
}

case "$1" in
    remove|upgrade)
	if ctl status >/dev/null ; then
	    # Use timestamp to make database restoring easier
	    TIME=$(date +%Y-%m-%dT%H:%M:%S)
	    BACKUPDIR=$(mktemp -d -p /var/backups/ ejabberd-$TIME.XXXXXX)
	    chown ejabberd:ejabberd $BACKUPDIR
	    BACKUP=$BACKUPDIR/ejabberd-database
	    ctl backup $BACKUP
	    # Change ownership to root:root because ejabberd user might be
	    # removed on package removal.
	    chown -R root:root $BACKUPDIR
	    chmod 700 $BACKUPDIR
	    echo
	    echo The ejabberd database has been backed up to $BACKUP.
	    echo
	fi
    ;;

    deconfigure)
    ;;

    failed-upgrade)
    ;;

    *)
	echo "prerm called with unknown argument \`$1'" >&2
	exit 1
    ;;
esac

#DEBHELPER#

case "$1" in
    remove|purge)
	pkill -u ejabberd || true
    ;;
esac


exit 0
