#!/sbin/runscript
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.

description="Saves the caches OpenRC uses to non volatile storage"

start()
{
	if [ -e "$RC_SVCDIR"/clock-skewed ]; then
		ewarn "WARNING: clock skew detected!"
		if ! yesno "${RC_GOINGDOWN}"; then
			eerror "Not saving deptree cache"
			return 1
		fi
	fi
	if ! checkpath -W "$RC_LIBEXECDIR"; then
		ewarn "WARNING: ${RC_LIBEXECDIR} is not writable!"
		if ! yesno "${RC_GOINGDOWN}"; then
			ewarn "Unable to save deptree cache"
			return 1
		fi
		return 0
	fi
	ebegin "Saving dependency cache"
	local rc=
	if [ ! -d "$RC_LIBEXECDIR"/cache ]; then
		rm -rf "$RC_LIBEXECDIR"/cache
		if ! mkdir "$RC_LIBEXECDIR"/cache; then
			rc=$?
			if yesno "${RC_GOINGDOWN}"; then
				rc=0
			fi
			eend $rc
			return $rc
		fi
	fi
	local save=
	for x in deptree depconfig shutdowntime softlevel nettree rc.log; do
		[ -e "$RC_SVCDIR/$x" ] && save="$save $RC_SVCDIR/$x"
	done
	if [ -n "$save" ]; then
		cp -p $save "$RC_LIBEXECDIR"/cache 2>/dev/null
	fi
	rc=$?
	if yesno "${RC_GOINGDOWN}"; then
		rc=0
	fi
	eend $rc
}
