5c1b516581
[Enter] should be moved to the single user menu item when we swap them. Define a non-standard menu entry function "alternate_name" to use for this purpose for ultimate flexibility if we change our minds later. When we're booting single user, make a shallow copy of the menu that we'd normally display and swap the items and their name functions to use alternate_name instead. Toggling single user in the options menu and going back to the main menu will now correctly reflect the current boot setting with the first two menu options and "[Enter]" will always be on the right one. This shallow copy technique has the chance of being quite slow since it's done on every redraw, but in my testing it does not seem to make any obvious difference. shallowCopyTable could likely belong better in a general-purpose utility module, but this (and the key constnats) are the only candidates we have at the moment so we'll drop it into our core stuff for the moment and consider re-organization at a later date.
450 lines
10 KiB
Lua
450 lines
10 KiB
Lua
--
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-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
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-- All rights reserved.
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--
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-- Redistribution and use in source and binary forms, with or without
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-- modification, are permitted provided that the following conditions
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-- are met:
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-- 1. Redistributions of source code must retain the above copyright
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-- notice, this list of conditions and the following disclaimer.
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-- 2. Redistributions in binary form must reproduce the above copyright
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-- notice, this list of conditions and the following disclaimer in the
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-- documentation and/or other materials provided with the distribution.
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--
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-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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-- SUCH DAMAGE.
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--
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-- $FreeBSD$
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--
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local menu = {};
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local core = require("core");
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local color = require("color");
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local config = require("config");
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local screen = require("screen");
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local drawer = require("drawer");
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local OnOff;
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local skip;
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local run;
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local autoboot;
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local carousel_choices = {};
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-- loader menu tree is rooted at menu.welcome
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menu.boot_options = {
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entries = {
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-- return to welcome menu
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{
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entry_type = core.MENU_RETURN,
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name = function()
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return "Back to main menu" ..
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color.highlight(" [Backspace]");
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end
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},
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-- load defaults
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{
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entry_type = core.MENU_ENTRY,
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name = function()
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return "Load System " .. color.highlight("D") ..
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"efaults";
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end,
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func = function()
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core.setDefaults();
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end,
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alias = {"d", "D"}
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},
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{
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entry_type = core.MENU_SEPARATOR,
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name = function()
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return "";
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end
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},
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{
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entry_type = core.MENU_SEPARATOR,
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name = function()
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return "Boot Options:";
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end
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},
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-- acpi
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{
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entry_type = core.MENU_ENTRY,
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name = function()
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return OnOff(color.highlight("A") ..
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"CPI :", core.acpi);
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end,
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func = function()
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core.setACPI();
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end,
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alias = {"a", "A"}
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},
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-- safe mode
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{
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entry_type = core.MENU_ENTRY,
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name = function()
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return OnOff("Safe " .. color.highlight("M") ..
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"ode :", core.sm);
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end,
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func = function()
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core.setSafeMode();
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end,
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alias = {"m", "M"}
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},
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-- single user
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{
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entry_type = core.MENU_ENTRY,
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name = function()
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return OnOff(color.highlight("S") ..
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"ingle user:", core.su);
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end,
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func = function()
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core.setSingleUser();
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end,
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alias = {"s", "S"}
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},
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-- verbose boot
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{
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entry_type = core.MENU_ENTRY,
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name = function()
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return OnOff(color.highlight("V") ..
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"erbose :", core.verbose);
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end,
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func = function()
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core.setVerbose();
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end,
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alias = {"v", "V"}
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},
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},
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};
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menu.welcome = {
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entries = function()
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local menu_entries = menu.welcome.all_entries;
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-- Swap the first two menu items on single user boot
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if (core.isSingleUserBoot()) then
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-- Shallow copy the table
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menu_entries = core.shallowCopyTable(menu_entries);
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local multiuser = menu_entries[1];
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local singleuser = menu_entries[2];
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multiuser.name = multiuser.alternate_name;
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singleuser.name = singleuser.alternate_name;
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menu_entries[2] = multiuser;
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menu_entries[1] = singleuser;
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end
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return menu_entries;
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end,
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all_entries = {
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-- boot multi user
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{
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entry_type = core.MENU_ENTRY,
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name = function()
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return color.highlight("B") ..
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"oot Multi user " ..
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color.highlight("[Enter]");
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end,
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-- Not a standard menu entry function!
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alternate_name = function()
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return color.highlight("B") ..
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"oot Multi user";
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end,
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func = function()
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core.setSingleUser(false);
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core.boot();
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end,
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alias = {"b", "B"}
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},
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-- boot single user
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{
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entry_type = core.MENU_ENTRY,
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name = function()
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return "Boot " .. color.highlight("S") ..
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"ingle user";
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end,
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-- Not a standard menu entry function!
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alternate_name = function()
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return "Boot " .. color.highlight("S") ..
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"ingle user " .. color.highlight("[Enter]");
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end,
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func = function()
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core.setSingleUser(true);
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core.boot();
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end,
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alias = {"s", "S"}
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},
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-- escape to interpreter
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{
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entry_type = core.MENU_RETURN,
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name = function()
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return color.highlight("Esc") ..
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"ape to loader prompt";
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end,
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func = function()
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loader.setenv("autoboot_delay", "NO");
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end,
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alias = {core.KEYSTR_ESCAPE}
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},
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-- reboot
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{
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entry_type = core.MENU_ENTRY,
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name = function()
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return color.highlight("R") .. "eboot";
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end,
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func = function()
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loader.perform("reboot");
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end,
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alias = {"r", "R"}
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},
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{
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entry_type = core.MENU_SEPARATOR,
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name = function()
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return "";
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end
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},
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{
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entry_type = core.MENU_SEPARATOR,
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name = function()
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return "Options:";
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end
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},
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-- kernel options
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{
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entry_type = core.MENU_CAROUSEL_ENTRY,
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carousel_id = "kernel",
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items = core.kernelList,
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name = function(idx, choice, all_choices)
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if (#all_choices == 0) then
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return "Kernel: ";
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end
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local is_default = (idx == 1);
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local kernel_name = "";
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local name_color;
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if (is_default) then
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name_color = color.escapef(color.GREEN);
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kernel_name = "default/";
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else
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name_color = color.escapef(color.BLUE);
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end
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kernel_name = kernel_name .. name_color ..
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choice .. color.default();
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return color.highlight("K").."ernel: " ..
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kernel_name .. " (" .. idx .. " of " ..
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#all_choices .. ")";
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end,
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func = function(idx, choice, all_choices)
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config.selectkernel(choice);
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end,
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alias = {"k", "K"}
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},
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-- boot options
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{
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entry_type = core.MENU_SUBMENU,
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name = function()
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return "Boot " .. color.highlight("O") ..
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"ptions";
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end,
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submenu = function()
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return menu.boot_options;
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end,
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alias = {"o", "O"}
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},
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},
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};
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-- The first item in every carousel is always the default item.
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function menu.getCarouselIndex(id)
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local val = carousel_choices[id];
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if (val == nil) then
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return 1;
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end
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return val;
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end
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function menu.setCarouselIndex(id, idx)
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carousel_choices[id] = idx;
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end
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function menu.run(m)
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if (menu.skip()) then
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core.autoboot();
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return false;
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end
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if (m == nil) then
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m = menu.welcome;
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end
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-- redraw screen
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screen.clear();
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screen.defcursor();
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local alias_table = drawer.drawscreen(m);
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menu.autoboot();
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cont = true;
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while (cont) do
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local key = io.getchar();
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-- Special key behaviors
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if ((key == core.KEY_BACKSPACE) or (key == core.KEY_DELETE)) and
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(m ~= menu.welcome) then
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break
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elseif (key == core.KEY_ENTER) then
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core.boot();
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-- Should not return
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end
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key = string.char(key)
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-- check to see if key is an alias
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local sel_entry = nil;
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for k, v in pairs(alias_table) do
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if (key == k) then
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sel_entry = v;
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end
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end
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-- if we have an alias do the assigned action:
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if (sel_entry ~= nil) then
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if (sel_entry.entry_type == core.MENU_ENTRY) then
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-- run function
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sel_entry.func();
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elseif (sel_entry.entry_type == core.MENU_CAROUSEL_ENTRY) then
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-- carousel (rotating) functionality
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local carid = sel_entry.carousel_id;
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local caridx = menu.getCarouselIndex(carid);
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local choices = sel_entry.items();
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if (#choices > 0) then
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caridx = (caridx % #choices) + 1;
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menu.setCarouselIndex(carid, caridx);
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sel_entry.func(caridx, choices[caridx],
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choices);
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end
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elseif (sel_entry.entry_type == core.MENU_SUBMENU) then
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-- recurse
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cont = menu.run(sel_entry.submenu());
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elseif (sel_entry.entry_type == core.MENU_RETURN) then
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-- allow entry to have a function/side effect
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if (sel_entry.func ~= nil) then
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sel_entry.func();
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end
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-- break recurse
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cont = false;
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end
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-- if we got an alias key the screen is out of date:
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screen.clear();
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screen.defcursor();
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alias_table = drawer.drawscreen(m);
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end
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end
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if (m == menu.welcome) then
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screen.defcursor();
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print("Exiting menu!");
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config.loadelf();
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return false;
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end
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return true;
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end
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function menu.skip()
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if (core.isSerialBoot()) then
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return true;
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end
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local c = string.lower(loader.getenv("console") or "");
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if ((c:match("^efi[ ;]") or c:match("[ ;]efi[ ;]")) ~= nil) then
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return true;
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end
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c = string.lower(loader.getenv("beastie_disable") or "");
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print("beastie_disable", c);
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return c == "yes";
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end
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function menu.autoboot()
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if (menu.already_autoboot == true) then
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return;
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end
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menu.already_autoboot = true;
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local ab = loader.getenv("autoboot_delay");
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if (ab ~= nil) and (ab:lower() == "no") then
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return;
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elseif (tonumber(ab) == -1) then
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core.boot();
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end
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ab = tonumber(ab) or 10;
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local x = loader.getenv("loader_menu_timeout_x") or 5;
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local y = loader.getenv("loader_menu_timeout_y") or 22;
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local endtime = loader.time() + ab;
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local time;
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repeat
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time = endtime - loader.time();
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screen.setcursor(x, y);
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print("Autoboot in " .. time ..
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" seconds, hit [Enter] to boot" ..
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" or any other key to stop ");
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screen.defcursor();
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if (io.ischar()) then
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local ch = io.getchar();
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if (ch == core.KEY_ENTER) then
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break;
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else
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-- erase autoboot msg
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screen.setcursor(0, y);
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print(" "
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.. " ");
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screen.defcursor();
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return;
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end
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end
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loader.delay(50000);
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until time <= 0
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core.boot();
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end
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function OnOff(str, b)
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if (b) then
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return str .. color.escapef(color.GREEN) .. "On" ..
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color.escapef(color.WHITE);
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else
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return str .. color.escapef(color.RED) .. "off" ..
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color.escapef(color.WHITE);
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end
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end
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return menu;
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