chroot-rc-script

#!/sbin/runscript

# This file shoud be saved to /etc/init.d/chroot

depend() {
	need localmount
	need bootmisc
}

checkconfig() {

	if [ "${SVCNAME}" = "chroot" ] ; then
		eerror "Template file cannot be used directly. Create the symlink"
		eerror "/etc/init.d/${SVCNAME}.service -> /etc/init.d/${SVCNAME}"
		eerror "and use that instead"
		return 1
	fi

	CHROOT="/chroot/${SVCNAME##chroot.}"

	if [ ! -d "${CHROOT}" ] ; then
		eerror "Directory ${CHROOT} not found"
		return 1
	fi
}

start() {
	checkconfig || return 1

	ebegin "Starting ${SVCNAME}"

	mountinfo -q ${CHROOT}/proc || mount -t proc proc ${CHROOT}/proc || eerror "Error mounting ${CHROOT}/proc" || return 1
	mountinfo -q ${CHROOT}/sys  || mount --rbind /sys ${CHROOT}/sys  || eerror "Error mounting ${CHROOT}/sys"  || return 1
	mountinfo -q ${CHROOT}/dev  || mount --rbind /dev ${CHROOT}/dev  || eerror "Error mounting ${CHROOT}/dev"  || return 1
	mountinfo -q ${CHROOT}/tmp  || mount --bind /tmp  ${CHROOT}/tmp  || eerror "Error mounting ${CHROOT}/tmp"  || return 1

	eend 0
}

stop() {
	checkconfig || return 1

	ebegin "Stopping ${SVCNAME}"

	mountinfo -q ${CHROOT}/tmp  && umount -l ${CHROOT}/tmp
	mountinfo -q ${CHROOT}/dev  && umount -l ${CHROOT}/dev{/shm,/pts,}
	mountinfo -q ${CHROOT}/sys  && umount -l ${CHROOT}/sys
	mountinfo -q ${CHROOT}/proc && umount -l ${CHROOT}/proc
	mountinfo -q -p ${CHROOT}   && eend 1 "An error occurred while unmounting chroot directories"

	eend 0
}