#!/bin/sh
# ***** BEGIN LICENSE BLOCK *****
# * Copyright (C) 2007  Alexey Gladkov <legion@altlinux.org>
# * Copyright (C) 2007  Dmitry V. Levin <ldv@altlinux.org>
# * Copyright (C) 2007  Anton V. Boyarshinov <boyarsh@altlinux.org>
# *
# * This program is free software; you can redistribute it and/or modify
# * it under the terms of the GNU General Public License as published by
# * the Free Software Foundation; either version 2 of the License, or
# * (at your option) any later version.
# *
# * This program is distributed in the hope that it will be useful,
# * but WITHOUT ANY WARRANTY; without even the implied warranty of
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# * GNU General Public License for more details.
# *
# * You should have received a copy of the GNU General Public License
# * along with this program; if not, write to the Free Software
# * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
# ***** END LICENSE BLOCK *****

alterator_api_version=1
preinstall_dir="/usr/share/install2/preinstall.d"
alteratord_socket_dir="/var/run/alteratord"

. alterator-sh-functions
. install2-sh-functions
. install2-remount-functions

PROG=preinstall

notify()
{
	[ -z "$AUTOINSTALL" ] || return 0
	alterator-mailbox-send "$1" ||:
}

run_preinstall()
{
	if ! remount_chroot >&2; then
		notify "error \"destination filesystem remount error\""
	fi

	local f max counter=0
	max="$(find "$preinstall_dir" "$destdir/$preinstall_dir" -mindepth 1 -maxdepth 1 -type f -perm -u=x |wc -l)"

	notify "init #t max $max"

	# run scripts from packages first, because basic installer scripts can umount /image
	for f in "$destdir/$preinstall_dir"/* "$preinstall_dir"/*; do
		[ -f "$f" -a -x "$f" ] || continue

		if "$f" >&2; then
		    notify "package \"${f##*/}\" step $counter"
		    counter=$(($counter + 1))
		    printf '%s %s - OK\n' "$(date +%T)" "$f" >&2
		else
		    notify "error \"${f##*/}\""
		    printf '%s %s - FAILED\n' "$(date +%T)" "$f" >&2
		    break
		fi
	done

	notify "package \" \" step $max"

	# replace itself with alteratord from chroot
	[ -n "${ALTERATOR_DESTDIR:-}" ] || return
	rm -f /tmp/alterator/.socket
	mount -o bind /run $destdir/run
	mount -o bind $destdir$alteratord_socket_dir $alteratord_socket_dir
	chroot "$ALTERATOR_DESTDIR" /etc/init.d/alteratord start

	# altbug #37050 workaround
	#sed -i '1,/^installer\-preinstall/d' /usr/share/install2/installer-steps
	#cp -Lf  /usr/share/install2/installer-steps $destdir/usr/share/install2/
	#cp -LRf /usr/share/install2/steps $destdir/usr/share/install2/
	#cp -LRf /usr/share/alterator/design/images/steps $destdir/usr/share/alterator/design/images/
	#cp -Lf  /usr/lib/alterator/backend3/step-list $destdir/usr/lib/alterator/backend3/
	#cp -LRf /usr/share/alterator/ui/wizard $destdir/usr/share/alterator/ui/
	cp -LRf $destdir/usr/share/alterator/ui/* /usr/share/alterator/ui/

	# wait until new alteratord is ready to use
	alterator-wait

	# notify interface about finish
	notify "done #t"
	sync

	# stop old alteratord and kill itself
	#sleep 1
	#service alteratord stop
}

on_message()
{
        case "$in_action" in
        	write)
			echo "$PROG: write init" >&2
			if [ -z "$AUTOINSTALL" ]; then
				run_preinstall &
			else
				run_preinstall
			fi
                        ;;
	esac
}

message_loop