#!/usr/bin/env bash

set -ex
trap 'exit' TERM

while [[ ! -e $WAIT_FOR_FILE ]]; do
  echo "Waiting for file: $WAIT_FOR_FILE" 1>&2
  sleep 1
  count=5
  while [[ ! -e $WAIT_FOR_FILE && $count -gt 0 ]]; do
    count=$(($count - 1))
    sleep 1
  done
done