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#!/bin/ash

# This script gets called by ExecStartPre from the services 
# systemd-halt, systemd-poweroff, systemd-reboot. Pre-shutdown actions as
# unmounting nfs shares etc. should go here.

PATH=/bin:/usr/bin:/opt/openslx/bin

# kill leftover processes

umount_nfs_shares() {
	for i in "$(mount | grep 'type nfs')"; do
		share=$(echo "$i"|cut -f 3 -d " ")
		echo "Unmounte nfs-Share $share ...."
		umount "$share"
		ERROR=$?
		if [ $ERROR -eq 0 ]; then
			echo "nfs-Share $share unmounted."
		else
			echo "Could not umount nfs share $share!"
			ERRORLEVEL=1
		fi
	done
}

umount_samba_shares() {
	for i in "$(mount | grep 'type cifs')"; do
		share=$(echo $i|cut -f 3 -d " ")
		echo "Unmounte cifs-Share $share ...."
		umount "$share"
		ERROR=$?
		if [ $ERROR -eq 0 ]; then
			echo "cifs-Share $share unmounted."
		else
			echo "Could not umount cifs share $share!"
			ERRORLEVEL=1
		fi
	done
}

# Searching for nfs-shares in mtab:
if [ $(echo /etc/mtab | cut -d " " -f 3 | grep -q nfs) ]; then
	umount_nfs_shares
fi

# Searching for samba-shares:
if [ $(echo /etc/mtab|cut -d " " -f 3 | grep -q cifs) ]; then
	umount_samba_shares
fi
exit $ERRORLEVEL