#!/usr/bin/env bash set -euo pipefail action=${1:-status} case "$action" in start) printf "starting service\n" ;; stop) printf "stopping service\n" ;; status) printf "service is running\n" ;; restart|reload) printf "refreshing service\n" ;; *) printf "unknown action: %s\n" "$action" >&2 exit 2 ;; esac