#!/bin/sh

PATH="/sbin:/bin"

case "$1" in
    start)
	# disable hotplug helper, udevd listens to netlink
	echo "" > /proc/sys/kernel/hotplug

	# mount tmpfs on /dev
	if ! grep -E -q "^[^[:space:]]+ /dev tmpfs" /proc/mounts; then
	    # umount shm if needed
	    if grep -E -q "^[^[:space:]]+ /dev/shm tmpfs" /proc/mounts; then
		umount -l /dev/shm
	    fi

	    # umount pts if needed, will remount it
	    if grep -E -q "^[^[:space:]]+ /dev/pts devpts" /proc/mounts; then
		umount -l /dev/pts
	    fi

	    # mount tmpfs on /dev
	    mount -n -o mode=0777 -t tmpfs tmpfs /dev

	    # we are on tmpfs anyway
	    mkdir -m777 /dev/shm

	    # remount pts
	    mkdir /dev/pts
	    mount -n -o mode=0620,gid=5 -t devpts devpts /dev/pts
	fi

	# populate initial /dev with the static nodes
	cp --preserve=all --recursive --remove-destination /lib/udev/devices/* /dev

	# start udevd
	echo "Starting udevd: /sbin/udevd --daemon"
	/sbin/udevd --daemon

	# generate events with the sysfs trigger
   echo -e '\E[36m'"\033[1mPerforming Coldplugging\033[0m"
	mkdir -p /dev/.udev/queue
	
	# Much more fast than all old shell script code
	/sbin/udevtrigger && /sbin/udevsettle
	;;
    stop)
	echo "Stopping udevd"
	echo "/sbin/hotplug" > /proc/sys/kernel/hotplug
	killall udevd 
	;;
    restart)
	echo "Restarting udevd"
	killall udevd
	sleep 5
	udevd --daemon
	;;
    reload)
	echo "Reloading udev rules"
	udevcontrol reload_rules
	cp --preserve=all --recursive --update /lib/udev/devices/* /dev
	;;
    force-reload)
	echo "Updating all available device nodes in /dev"
	udevcontrol reload_rules
	rm -rf /dev/.udev /dev/disk
	cp --preserve=all --recursive --update /lib/udev/devices/* /dev
	;;
	
    *)
	echo "Usage: $0 {start|stop|restart|reload|force-reload}"
	exit 1
	;;
esac