#!/sbin/runscript
# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

udev_version()
{
	udevadm --version
}

depend()
{
	need localmount
	if [ $(udev_version) -lt 175 ]; then
		after dbus # for trigger failed
	fi
	keyword -vserver -lxc
}

dir_writeable()
{
        touch "$1"/.test.$$ 2>/dev/null && rm "$1"/.test.$$
}

# store persistent-rules that got created while booting
# when / was still read-only
store_persistent_rules()
{
	# only continue if rules-directory is writable
	dir_writeable /etc/udev/rules.d || return 0

	local file dest
	for file in "${RUNDIR}"/tmp-rules--*; do
		dest=${file##*tmp-rules--}
		[ "$dest" = '*' ] && break
		type=${dest##70-persistent-}
		type=${type%%.rules}
		ebegin "Saving udev persistent ${type} rules to /etc/udev/rules.d"
		cat "$file" >> /etc/udev/rules.d/"$dest" && rm -f "$file"
		eend $? "Failed moving persistent rules!"
	done
}

start()
{
	RUNDIR=$(udevadm info --run)
	# check if this system uses udev
	[ -d "${RUNDIR}" ] || return 0

	einfo "Doing udev cleanups"

	if [ $(udev_version) -lt 175 ]; then
		# Run the events that failed at first udev trigger
		udevadm trigger --type=failed -v
	fi

	# store persistent-rules that got created while booting
	# when / was still read-only
	store_persistent_rules
}

stop()
{
	return 0
}

# vim:ts=4