Experimental function to retry a command with exponential backoff (based on https://stackoverflow.com/questions/8350942/how-to-re-run-the-curl-command-automatically-when-the-error-occurs discussion)

retry.sh

function retry_with_backoff {
  local attempt=1
  local max_attempts=5
  local timeout=1
  local exitCode=0

  while : ; do
    "$@"
    exitCode=$?

    if [ $exitCode -ne 0 ] && [ $attempt -lt $max_attempts ]; then
      sleep $timeout
      attempt=$(( attempt + 1 ))
      timeout=$(( timeout * 2 ))
    else
      return $exitCode
    fi
  done
}