#!/bin/sh
########################################################################
# Begin udev
#
# Description : Udev cold-plugging script
#
# Authors     : Zack Winkles, Alexander E. Patrakov
#               DJ Lucas - dj@linuxfromscratch.org
# Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org
#		Jean-Marc Pigeon - jmp@safe.ca
#			To start udev deamon ONLY on HOST
#			(container mode detection)
#
# Version     : LFS 11.1
#
########################################################################

### BEGIN INIT INFO
# Provides:            udev $time
# Required-Start:      localnet
# Should-Start:        modules
# Required-Stop:
# Should-Stop:
# Default-Start:       S
# Default-Stop:
# Short-Description:   Populates /dev with device nodes.
# Description:         Mounts a tempfs on /dev and starts the udevd daemon.
#                      Device nodes are created as defined by udev.
# X-LFS-Provided-By:   LFS
### END INIT INFO

. /lib/lsb/init-functions

dostart()

{
log_info_msg "Populating /dev with device nodes... "
if ! grep -q '[[:space:]]sysfs' /proc/mounts; then
  log_failure_msg2
   msg="FAILURE:\n\nUnable to create "
   msg="${msg}devices without a SysFS filesystem\n\n"
   msg="${msg}After you press Enter, this system "
   msg="${msg}will be halted and powered off.\n\n"
   log_info_msg "$msg"
   log_info_msg "Press Enter to continue..."
   wait_for_user
   /etc/rc.d/init.d/halt stop
   fi

# Start the udev daemon to continually watch for, and act on,
# uevents
/usr/sbin/udevd --daemon

# Now traverse /sys in order to "coldplug" devices that have
# already been discovered
/usr/sbin/udevadm trigger --action=add    --type=subsystems
/usr/sbin/udevadm trigger --action=add    --type=devices
/usr/sbin/udevadm trigger --action=change --type=devices

# Now wait for udevd to process the uevents we triggered
if ! is_true "$OMIT_UDEV_SETTLE"; then
  /usr/sbin/udevadm settle
  fi

# If any LVM based partitions are on the system, ensure they
# are activated so they can be used.
if [ -x /usr/sbin/vgchange ]; then
  /usr/sbin/vgchange -a y > /dev/null
  fi
#to move the cursor 2 UP.
sleep 2
echo "[2A"
evaluate_retval
}

case "${1}" in
   start	)
     # To detect if we are on container
     if [ -n "$(grep 'kthreadd' /proc/2/status 2>/dev/null)" ]; then
       dostart		#We are on a HOST, we can start udev daemon
       fi
     ;;

   stop		)
     ;;

   *		)
      echo "Usage ${0} {start}"
      exit 1
      ;;
esac

exit 0

# End udev
