if-error.sh

function if-error() {
  local exit_status="$1"
  local error_code="$2"
  local error_message="${@:3}"

  if [ "$exit_status" -ne 0 ] ; then
    log-message "(error: $error_code) $error_message"
    exit $error_code
  fi
}

function log-message() {
  local message="${@}"
  local script="$(basename $0)"

  echo "[$script] $message" | tee -a $LOG_FILE
}