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#!/bin/sh -e

### BEGIN INIT INFO
# Provides:          udev-cache
# Required-Start:    mountall
# Required-Stop:
# Default-Start:     S
# Default-Stop:
# Short-Description: cache /dev to speedup the udev next boot
### END INIT INFO

export TZ=/etc/localtime

[ -r /proc/mounts ] || exit 1
[ -x @UDEVD@ ] || exit 1
[ -d /sys/class ] || exit 1

[ -f /etc/default/rcS ] && . /etc/default/rcS
[ -f /etc/default/udev-cache ] && . /etc/default/udev-cache

if [ "$ROOTFS_READ_ONLY" = "yes" ]; then
    [ "$VERBOSE" != "no" ] && echo "udev-cache: read-only rootfs, skip generating udev-cache"
    exit 0
fi

if [ "$DEVCACHE" != "" -a -e /dev/shm/udev.cache ]; then
	echo "Populating dev cache"
	(cd /; tar cf "$DEVCACHE" dev)
	mv /dev/shm/udev.cache /etc/udev/cache.data
fi

exit 0