#!/bin/ash
delay=900
version_file=/etc/lixonet/version
while true
do
  {
      current_version=`cat $version_file || echo 0` &&
	  git fetch &&
	  latest_commit=`git log "--format=%G? %H" | grep ^G | head -n 1 | cut -d' ' -f2` &&
	  git checkout $latest_commit &&
	  checkout_version=`cat version` &&
	  if [ "$checkout_version" -gt "$current_version" ]; then
		echo "Updating to version $checkout_version..." &&
		chmod +x build.sh && ./build.sh &&
		echo "Updated to version $checkout_version." &&
		echo $checkout_version > $version_file
	  fi
  } || {
	echo "Failed to update repository. Trying again in $delay seconds."
  }
  sleep $delay
done