xref: /freebsd/stand/lua/loader.lua (revision 62daefa5480d59162db358b1781f81d1c2d86d7f)
1--
2-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
3-- Copyright (c) 2018 Kyle Evans <kevans@FreeBSD.org>
4-- All rights reserved.
5--
6-- Redistribution and use in source and binary forms, with or without
7-- modification, are permitted provided that the following conditions
8-- are met:
9-- 1. Redistributions of source code must retain the above copyright
10--    notice, this list of conditions and the following disclaimer.
11-- 2. Redistributions in binary form must reproduce the above copyright
12--    notice, this list of conditions and the following disclaimer in the
13--    documentation and/or other materials provided with the distribution.
14--
15-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18-- ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25-- SUCH DAMAGE.
26--
27-- $FreeBSD$
28--
29
30local config = require("config");
31local menu = require("menu");
32local password = require("password");
33
34-- Declares a global function cli_execute that attempts to dispatch the
35-- arguments passed as a lua function. This gives lua a chance to intercept
36-- builtin CLI commands like "boot"
37function cli_execute(...)
38	local argv = {...};
39	-- Just in case...
40	if (#argv == 0) then
41		loader.command(...);
42		return;
43	end
44
45	local cmd_name = argv[1];
46	local cmd = _G[cmd_name];
47	if (cmd ~= nil) and (type(cmd) == "function") then
48		-- Pass argv wholesale into cmd. We could omit argv[0] since the
49		-- traditional reasons for including it don't necessarily apply,
50		-- it may not be totally redundant if we want to have one global
51		-- handling multiple commands
52		cmd(...);
53	else
54		loader.command(...);
55	end
56
57end
58
59config.load();
60password.check();
61menu.run();
62