base-files: sysfixtime exclude dnsmasq.time

[librecmc/librecmc.git] / package / base-files / files / etc / init.d / sysfixtime

diff --git a/package/base-files/files/etc/init.d/sysfixtime b/package/base-files/files/etc/init.d/sysfixtime
index 4010e06f936f99ee03f4dfc569451a36b55545c7..1354a586ce4e11859d8fcb844eff154b09adfce7 100755 (executable)
--- a/package/base-files/files/etc/init.d/sysfixtime
+++ b/package/base-files/files/etc/init.d/sysfixtime
@@ -2,10 +2,33 @@
 # Copyright (C) 2013-2014 OpenWrt.org
 
 START=00
+STOP=90
+
+RTC_DEV=/dev/rtc0
+HWCLOCK=/sbin/hwclock
 
 boot() {
+       start && exit 0
+
+       local maxtime="$(maxtime)"
        local curtime="$(date +%s)"
-       local maxtime="$(find /etc -type f -exec date -r {} +%s \; | sort -nr | head -n1)"
        [ $curtime -lt $maxtime ] && date -s @$maxtime
 }
 
+start() {
+       [ -e "$RTC_DEV" ] && [ -e "$HWCLOCK" ] && $HWCLOCK -s -f $RTC_DEV
+}
+
+stop() {
+       [ -e "$RTC_DEV" ] && [ -e "$HWCLOCK" ] && $HWCLOCK -w -f $RTC_DEV && \
+               logger -t sysfixtime "saved '$(date)' to $RTC_DEV"
+}
+
+maxtime() {
+       local file newest
+
+       for file in $( find /etc -type f ! -path /etc/dnsmasq.time ) ; do
+               [ -z "$newest" -o "$newest" -ot "$file"] && newest=$file
+       done
+       [ "$newest" ] && date -r "$newest" +%s
+}