# Created on savesnippets.com · https://savesnippets.com/2tSbbxojL5oDO9
#!/usr/bin/env bash
##? Usage: deploy.sh [options] <environment>
##?
##? Deploy the app to a target environment.
##?
##? Options:
##?   -d, --dry-run     show what would happen, don't actually deploy
##?   -v, --verbose     extra logging
##?   -h, --help        show this help

show_help() {
    grep '^##?' "$0" | sed 's/^##? \?//'
}

case "${1:-}" in
    -h|--help) show_help; exit 0 ;;
esac

# rest of script…