#!/bin/ash
delay=900
version_file=/etc/lixonet/version
while true
do
  (
      set -e
      current_version=`cat $version_file || echo 0`
	  
	  gpg --import <trusted_signers
	  (echo 5; echo y; echo save) | gpg --command-fd 0 --no-tty --no-greeting -q --edit-key "$(gpg --list-packets <trusted_signers | awk '$1=="keyid:"{print$2;exit}')" trust
	  
	  git fetch $GIT_URL
	  latest_commit=`git log "--format=%G? %H" | grep ^G | head -n 1 | cut -d' ' -f2`
	  if test -z $latest_commit; then
	    echo "No trusted commits found! Re-checking in 60 seconds..."
		sleep 60
		continue
	  fi
	  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
  )
  sleep $delay
done