firstbootupdate

#!/bin/bash

# Script to update new emonPi's to latest firmware and software the fist time they are booted up in the factory
# Looks to see if /home/pi/data/emonpiupdate.log exists, if it does not then run update script 
# To rc.local before exit 0 add:
# /home/pi/emonpi/./firstbootupdate

# Check if update log file is empty if so then proceed to update	
if [ ! -s /home/pi/data/emonpiupdate.log ]; then 
	echo "First Boot Update.."
	printf "Checking interent connectivity...wait 5s\n"
	sleep 30
	WGET="/usr/bin/wget"
	$WGET -q --tries=20 --timeout=5 http://www.google.com -O /tmp/google.idx &> /dev/null
	if [ ! -s /tmp/google.idx ]; then
  		echo "No Internet connection :-("
	else
   		echo "Internet connection detected running update.."
   		connected=true
	fi

	if [ "$connected" = true ]; then
		touch /tmp/emonpiupdate
		/home/pi/emonpi/update 2>&1 >> /home/pi/data/emonpiupdate.log 2>&1
	fi
else
	echo "Not first boot"
	exit
fi

# set permissions on newly created logfile so emonpiupdate script an write to it
sudo chmod 666 /home/pi/data/emonpiupdate.log

exit