#!/bin/sh
#
# (c) 2009-2011 Wheel Systems Sp. z o.o.
#
# Author: Pawel Jakub Dawidek <p.dawidek@wheelsystems.com>
#

if [ $# -ne 1 ]; then
	echo "usage: $0 name" >/dev/stderr
	exit 1
fi

if [ "${1}" = "jailbase" ]; then
	zfs destroy -R system/root@jailbase_old
	[ $? -eq 0 ] || exit 1
	zfs rename system/root@jailbase system/root@jailbase_old
	[ $? -eq 0 ] || exit 1
	zfs snapshot system/root@jailbase
	exit $?
fi

base="system/jails/$1"
path="/jails/$1"

zfsupgrade() {
	zfs destroy ${base}_old
	[ $? -eq 0 ] || exit 1
	zfs rename ${base} ${base}_old
	[ $? -eq 0 ] || exit 1
	zfs clone system/root@jailbase ${base}
	[ $? -eq 0 ] || exit 1
	zfs set readonly=on ${base}
	[ $? -eq 0 ] || exit 1

	for fs in etc tmp var usr root; do
		zfs rename ${base}_old/${fs} ${base}/${fs}
		[ $? -eq 0 ] || exit 1
	done

	zfs set mountpoint=none ${base}_old
	[ $? -eq 0 ] || exit 1
}

zfsupgrade

umask 22
cd /usr/src/etc/rc.d
make install DESTDIR="${path}"
cd /usr/src
mergemaster -p -D "${path}"
mergemaster -Fi -D "${path}"