#!/bin/sh
### BEGIN INIT INFO
# Provides:          mount-configfs
# Required-Start:    mountkernfs
# Required-Stop:
# Should-Start:      kmod
# Default-Start:     S
# Default-Stop:
# Short-Description: Mount configfs kernel virtual file system.
# Description:       Mount configfs kernel virtual file system,
#                    if "configfs" module is loaded.
### END INIT INFO
set -eu

export PATH=/usr/bin:/bin

case ${1:-missing} in
	start | restart | force-reload)
		readonly mountpoint='/sys/kernel/config'
		# This directory exists only if "configfs" module was loaded by "kmod"
		# script.
		[ -d "${mountpoint}" ] || exit 0
		! findmnt "${mountpoint}" >/dev/null || exit 0

		mount none -t configfs "${mountpoint}"
		;;
	stop)
		# No-op
		;;
	*)
		echo "Usage: mount-configfs [start|stop]" >&2
		exit 3
		;;
esac
