#!/bin/sh
# remount EVMS-created volumes
# see https://bugzilla.altlinux.org/28181

ME=11-remount

exec 2>/tmp/"$ME".log >&2

. install2-init-functions

sync

# these are normally missing in installer environment
# NB: /sbin writes rely on aufs in fact, would use /tmp otherwise
#     but that might clobber cases when the binaries have to differ
for i in /sbin/{mdadm,lvm}; do
	if [ ! -x "$i" -a -x "$destdir$i" ]; then
		cp -p "$destdir$i" "$i"
	fi
done

if [ -f "$destdir/etc/lvm/lvm.conf" ]; then
	mkdir -p /etc/lvm &&
	cp -p "$destdir/etc/lvm/lvm.conf" /etc/lvm
fi

umount "$destdir/dev/pts"
chroot "$destdir" umount -a

grep " $destdir" /proc/mounts | while read dev mnt rest; do umount "$mnt"; done

umount "$destdir" || exit 1

# avoid automatic rpm shell.req dependency
MDADM=/sbin/mdadm
LVM=/sbin/lvm

if [ -f /proc/mdstat -a -x "$MDADM" ]; then
	"$MDADM" --examine --scan > /tmp/mdadm.conf
	"$MDADM" --stop --scan
fi

# evms_deactivate does essentially the same but is normally missing
dmsetup remove_all

if [ -s /tmp/mdadm.conf -a -x "$MDADM" ]; then
	# suitable arbitrary value of the year: packages already installed
	sysctl -w dev.raid.speed_limit_max=1000000
	"$MDADM" --assemble --run --scan --config=/tmp/mdadm.conf
fi

if [ -x "$LVM" ]; then
	"$LVM" pvscan
	"$LVM" vgscan
	"$LVM" vgchange -ay --noudevsync
fi

# created by 10-fstab.sh
rootfs="$(awk '{ if ($2=="/") print $1 }' < /tmp/fstab)"
case "$rootfs" in
UUID=*)
	mount "`blkid -U ${rootfs#UUID=}`" $destdir
	;;
LABEL=*)
	mount "`blkid -L ${rootfs#LABEL=}`" $destdir
	;;
/*)
	mount "$rootfs" "$destdir"
	;;
*)
	echo "$ME.sh: unknown rootfs: $rootfs" >&2
	exit 2
	;;
esac

mount -o bind /dev $destdir/dev
mount -t sysfs sysfs "$destdir/sys"
mount -t proc proc "$destdir/proc"
chroot "$destdir" mount -a ||:

# NB: use "sleep 3600" here to debug :)