#!/bin/sh

PREREQ="udev"

prereqs()
{
	echo "$PREREQ"
}

case $1 in
# get pre-requisites
prereqs)
	prereqs
	exit 0
	;;
esac

unset raidlvl
gotraid=n
slumber=1800

configureduuids=$(cat /etc/mdadm/mdadm.conf | grep "UUID" | sed -e 's/.*=//g')

# Detect raid level
while [ "$configureduuids" ] && [ ${slumber} -gt 0 ]; do
	for x in /dev/hd[a-z][0-9]* /dev/sd[a-z][0-9]*; do
		if [ ! -e ${x} ]; then
			continue
		fi
		raidlvl=$(mdadm --examine ${x} 2>/dev/null | grep "Level" | sed -e 's/.*Raid Level : \(.*\)/\1/')
		raiduuid=$(mdadm --examine ${x} 2>/dev/null | grep "UUID" | sed -e 's/.*UUID : \(.*\)/\1/')
		if [ "$raidlvl" ]; then
			configureduuids=$(echo $configureduuids | sed -e 's/'$raiduuid'//g')
			configureduuids=$(echo $configureduuids)
			modprobe -Qb ${raidlvl} 2>/dev/null
			gotraid=y
		fi
	done
	sleep 0.1
	slumber=$(( ${slumber} - 1 ))
done

[ "${gotraid}" = y ] || exit

/sbin/mdrun /dev

# for some reasons md needs to kick udev.
udevtrigger -b && udevsettle
