# Show general help or help specific to a command
class CommandHelp
	super Command

	redef fun name do return "help"
	redef fun usage do return "nitpm help [command]"
	redef fun description do return "Show general help message or the help for a command"

	redef fun apply(args)
	do
		# Try first to help about a valid action
		if args.length == 1 then
			var command = commands.get_or_null(args.first)
			if command != null then
				command.print_local_help
				return
			end
		end

		print_help
	end
end