#!/sbin/runscript
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-src/rc-scripts/init.d/checkroot,v 1.47 2004/10/26 02:01:11 vapier Exp $

depend() {
	before *
}

start() {
	local retval=0
	
	if [ ! -f /fastboot -a -z "${CDBOOT}" ]
	then
		ebegin "Remounting root filesystem read-only (if necessary)"
		mount -n -o remount,ro / &>/dev/null
		eend $?

		if [ -f /forcefsck ] || get_bootparam "forcefsck"
		then
			ebegin "Checking root filesystem (full fsck forced)"
			fsck -C -a -f /
			# /forcefsck isn't deleted because checkfs needs it.
			# it'll be deleted in that script.
			retval=$?
		else
			if ! is_net_fs /
			then
				# Obey the fs_passno setting for / (see fstab(5))
				# - find the / entry
				# - make sure we have 6 fields
				# - see if fs_passno is something other than 0
				if [ -n "$(awk '($1 ~ /^\// && $2 == "/" \
				                && NF == 6 && $6 != 0) { print }' /etc/fstab)" ]
				then
					ebegin "Checking root filesystem"
					fsck -C -T -a /
					retval=$?
				else
					ebegin "Skipping root filesystem check (fstab's passno == 0)"
					retval=0
				fi
			else
				ebegin "Skipping root filesystem check (networked)"
				retval=0
			fi
		fi

		if [ "${retval}" -eq 0 ]
		then
			eend 0
		elif [ "${retval}" -eq 1 ]
		then
			ewend 1 "Filesystem repaired"
		elif [ "${retval}" -eq 2 -o "${retval}" -eq 3 ]
		then
			ewend 1 "Filesystem repaired, but reboot needed!"
			echo -ne "\a"; sleep 1; echo -ne "\a"; sleep 1
			echo -ne "\a"; sleep 1; echo -ne "\a"; sleep 1
			ewarn "Rebooting in 10 seconds ..."
			sleep 10
			einfo "Rebooting"
			/sbin/reboot -f
		else
			eend 2 "Filesystem couldn't be fixed :("
			/sbin/sulogin ${CONSOLE}
			einfo "Unmounting filesystems"
			/bin/mount -a -o remount,ro &>/dev/null
			einfo "Rebooting"
			/sbin/reboot -f
		fi
	fi

	# Should we mount root rw ?
	if mount -vf -o remount / 2> /dev/null | \
	   awk '{ if ($6 ~ /rw/) exit 0; else exit 1; }'
	then
		ebegin "Remounting root filesystem read/write"
		mount -n -o remount,rw / &>/dev/null
		if [ "$?" -ne 0 ]
		then
			eend 2 "Root filesystem could not be mounted read/write :("
			/sbin/sulogin ${CONSOLE}
		else
			eend 0
		fi
	fi

	if [ "${BOOT}" = "yes" ]
	then
		local x=
		local y=

		#
		# Create /etc/mtab
		#

		# Don't create mtab if /etc is readonly
		if ! touch /etc/mtab 2> /dev/null
		then
			ewarn "Skipping /etc/mtab initialization (ro root?)"
			return 0
		fi

		# Clear the existing mtab
		> /etc/mtab

		# Add the entry for / to mtab
		mount -f /

		# Don't list root more than once
		awk '$2 != "/" {print}' /proc/mounts >> /etc/mtab

		# Now make sure /etc/mtab have additional info (gid, etc) in there
		for x in $(awk '{ print $2 }' /proc/mounts | sort -u)
		do
			for y in $(awk '{ print $2 }' /etc/fstab)
			do
				if [ "${x}" = "${y}" ]
				then
					mount -f -o remount $x
					continue
				fi
			done
		done

		# Remove stale backups
		rm -f /etc/mtab~ /etc/mtab~~
	fi
}


# vim:ts=4
