#!/bin/sh
#-
# Copyright (c) 2013 Nathan Whitehorn
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$

# VARIABLES:
# PARTITIONS
# DISTRIBUTIONS
# BSDINSTALL_DISTDIR

error() {
	test -f $PATH_FSTAB && bsdinstall umount
	echo "Installation Error!"
	cat $BSDINSTALL_LOG
	echo "Installation Error!"
	exit 1
}

set -e
trap error EXIT

SCRIPT="$1"
shift

echo "Begun Installation at $(date)" > $BSDINSTALL_LOG
rm -rf $BSDINSTALL_TMPETC
mkdir $BSDINSTALL_TMPETC

split -a 2 -p '^#!.*' "$SCRIPT" /tmp/bsdinstall-installscript-

. /tmp/bsdinstall-installscript-aa
: ${DISTRIBUTIONS="kernel.txz base.txz"}; export DISTRIBUTIONS
export BSDINSTALL_DISTDIR

# Make partitions
rm -f $PATH_FSTAB
touch $PATH_FSTAB
bsdinstall scriptedpart "$PARTITIONS"
bsdinstall mount

# Unpack distributions
bsdinstall checksum
bsdinstall distextract

# Finalize install
bsdinstall config

# Make sure networking is functional, if we can arrange that
if [ ! -f $BSDINSTALL_CHROOT/etc/resolv.conf -a -f /etc/resolv.conf ]; then
	cp /etc/resolv.conf $BSDINSTALL_CHROOT/etc/resolv.conf
fi

# Run post-install script
if [ -f /tmp/bsdinstall-installscript-ab ]; then
	cp /tmp/bsdinstall-installscript-ab $BSDINSTALL_CHROOT/tmp/installscript
	chmod a+x $BSDINSTALL_CHROOT/tmp/installscript
	mount -t devfs devfs "$BSDINSTALL_CHROOT/dev"
	chroot $BSDINSTALL_CHROOT /tmp/installscript $@ 2>&1
	umount "$BSDINSTALL_CHROOT/dev"
	rm $BSDINSTALL_CHROOT/tmp/installscript
fi

bsdinstall umount

echo "Installation Completed at $(date)" >> $BSDINSTALL_LOG

trap true EXIT