# `option`

Sometimes Required

Defines a flag argument.

title  'Admin Tools'

usage  'deploy [--build --env ENV]'
option '--build, -b', 'Build before deploying'
option '--env, -e ENV', 'Specify environment to deploy to [default: stage]'
action 'deploy' do |args|
  env = args['--env']
  say 'Building...' if args['--build']
  say "Deploying to #{env}"
end

$ run --help
Admin Tools

Usage:
  run deploy [--build --env ENV]
  run (--help | -h)

Options:
  --build, -b
    Build before deploying

  --env, -e ENV
    Specify environment to deploy to [default: stage]

  --help, -h
    Show this message

$ run deploy -b -e production
Building...
Deploying to production

# option

# `option`