#!/bin/bash
cd /home/demeter

newversion=$1
oldversion=$2

if [ $oldversion ]
then
	echo "Updating from" $oldversion "to" $newversion
else
	echo "Updating to version" $newversion
fi

installpath="/home/demeter/demeter-v"$newversion
if [ -d $installpath ]
then
	rm -r $installpath
fi
updatepath="/share/updates/demeter-v"$newversion".zip"
sudo unzip $updatepath
if [ $oldversion ]
then
	oldpath="/home/demeter/demeter-v"$oldversion
	sudo cp $oldpath/gateway-state.bin $installpath
fi

sudo ln -sfn $installpath /home/demeter/demeter-latest
sudo systemctl restart demeter