class AllImages::App

def pick_command
  case command = @args.shift
  when 'run_all', nil
    'run_all'
  when 'ls'
    'ls'
  when 'run'
    @selected = @args.shift or fail "Usage: #{File.basename($0)} #{command} IMAGE"
    'run_selected'
  when 'debug'
    @selected = @args.shift or fail "Usage: #{File.basename($0)} #{command} IMAGE"
    'debug_selected'
  else
    'help'
  end
end