firmware/general/package/sigmastar-initramfs/files/savesettings

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#!/bin/sh
file=/mnt/mmcblk0p1/settings.tar
if cat /proc/mounts | grep -q mmcblk0p1; then
[ -f $file ] && [ $(expr $(date +%s) - $(date +%s -r $file)) -le 1 ] && exit 0
tar -cf $file -C /overlay root && echo OpenIPC: Save settings to sdcard
else
echo OpenIPC: Cannot save settings to sdcard
fi