customize

#!/bin/bash
#
# Copyright (c) 2013 Joyent Inc., All Rights Reserved.
#

set -o errexit
set -o pipefail

status=0

BUILDSTAMP=$2
if [[ -z "${BUILDSTAMP}" ]]; then
	BUILDSTAMP=$(TZ=UTC date "+%Y%m%dT%H%M%SZ")
fi

rdmnt=$1
if [[ -z "${rdmnt}" ]]; then
	echo "Usage: $0 <rdmnt directory> [buildstamp]"
	exit 1
fi

echo "Customizing ${rdmnt}"
pfexec cp /dev/null ${rdmnt}/etc/mnttab
pfexec cp /dev/null ${rdmnt}/var/log/syslog
pfexec cp /dev/null ${rdmnt}/var/adm/wtmpx

pfexec mount -F lofs /dev ${rdmnt}/dev
# If we're in a GZ there will be a /devices we need to
if [[ -d /devices ]]; then
	pfexec mount -F lofs /devices ${rdmnt}/devices
fi

if [[ -d /devices ]]; then
	pfexec umount ${rdmnt}/devices
fi
pfexec umount ${rdmnt}/dev

pfexec chown root:root ${rdmnt}
pfexec gsed -i -e "s/ [0-9]\{8\}T[0-9]\{6\}Z/ ${BUILDSTAMP}/" ${rdmnt}/etc/motd
pfexec gsed -i -e "s/ [0-9]\{8\}T[0-9]\{6\}Z/ ${BUILDSTAMP}/" ${rdmnt}/etc/issue

exit $status