def print_options(shell, options, group_name = nil)
return if options.empty?
list = []
padding = options.map { |o| o.aliases.size }.max.to_i * 4
options.each do |option|
next if option.hide
item = [option.usage(padding)]
item.push(option.description ? "# #{option.description}" : "")
list << item
list << ["", "# Default: #{option.default}"] if option.show_default?
list << ["", "# Possible values: #{option.enum.join(', ')}"] if option.enum
end
shell.say(group_name ? "#{group_name} options:" : "Options:")
shell.print_table(list, :indent => 2)
shell.say ""
end