#!@SBINDIR@/openrc-run
# Copyright (c) 2007-2015 The OpenRC Authors.
# See the Authors file at the top-level directory of this distribution and
# https://github.com/OpenRC/openrc/blob/master/AUTHORS
#
# This file is part of OpenRC. It is subject to the license terms in
# the LICENSE file found in the top-level directory of this
# distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
# This file may not be copied, modified, propagated, or distributed
# except according to the terms contained in the LICENSE file.

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

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