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#!/bin/sh

# lh_chroot_sysfs(1) - mount /sys

set -e

# Source common functions
for FUNCTION in /usr/share/live-helper/functions/*.sh
do
	. ${FUNCTION}
done

# Reading configuration files
Read_conffile config/common
Read_conffile config/chroot
Set_defaults

# Requiring stage file
Require_stagefile "${LIVE_ROOT}"/.stage/bootstrap

# Checking lock file
Check_lockfile "${LIVE_ROOT}"/.lock

# Creating lock file
Create_lockfile "${LIVE_ROOT}"/.lock

case "${1}" in
	install)
		# Checking stage file
		Check_stagefile "${LIVE_ROOT}"/.stage/chroot_sysfs

		if [ ! -d "${LIVE_CHROOT}"/sys ]
		then
			# Create mountpoint
			mkdir -p "${LIVE_CHROOT}"/sys
		fi

		# Mounting /sys
		mount sys-live -t sysfs "${LIVE_CHROOT}"/sys

		# Creating stage file
		Create_stagefile "${LIVE_ROOT}"/.stage/chroot_sysfs
		;;

	remove)
		# Unmounting /sys
		#fuser -km "${LIVE_CHROOT}"/sys
		umount "${LIVE_CHROOT}"/sys > /dev/null 2>&1

		# Removing stage file
		rm -f "${LIVE_ROOT}"/.stage/chroot_sysfs
		;;

	*)
		echo "Usage: ${0} {install|remove}"
		exit 1
		;;
esac