20a8167664
The intent here is to abstract away the name of the default menu. The default menu is still the welcome menu, but this detail doesn't need to matter to things outside of the menu module. You may change the default menu, but one would need to modify a specific menu.
463 lines
10 KiB
Lua
463 lines
10 KiB
Lua
--
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-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
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-- Copyright (C) 2018 Kyle Evans <kevans@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 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 menu = {}
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local skip
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local run
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local autoboot
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local OnOff = function(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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-- Module exports
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menu.handlers = {
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-- Menu handlers take the current menu and selected entry as parameters,
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-- and should return a boolean indicating whether execution should
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-- continue or not. The return value may be omitted if this entry should
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-- have no bearing on whether we continue or not, indicating that we
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-- should just continue after execution.
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[core.MENU_ENTRY] = function(current_menu, entry)
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-- run function
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entry.func()
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end,
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[core.MENU_CAROUSEL_ENTRY] = function(current_menu, entry)
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-- carousel (rotating) functionality
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local carid = entry.carousel_id
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local caridx = config.getCarouselIndex(carid)
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local choices = entry.items()
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if #choices > 0 then
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caridx = (caridx % #choices) + 1
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config.setCarouselIndex(carid, caridx)
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entry.func(caridx, choices[caridx], choices)
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end
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end,
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[core.MENU_SUBMENU] = function(current_menu, entry)
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-- recurse
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return menu.run(entry.submenu())
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end,
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[core.MENU_RETURN] = function(current_menu, entry)
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-- allow entry to have a function/side effect
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if entry.func ~= nil then
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entry.func()
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end
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return false
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end,
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}
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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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visible = core.isSystem386,
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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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-- We'll cache the swapped menu, for performance
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if menu.welcome.swapped_menu ~= nil then
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return menu.welcome.swapped_menu
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end
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-- Shallow copy the table
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menu_entries = core.shallowCopyTable(menu_entries)
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-- Swap the first two menu entries
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menu_entries[1], menu_entries[2] =
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menu_entries[2], menu_entries[1]
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-- Then set their names to their alternate names
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menu_entries[1].name, menu_entries[2].name =
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menu_entries[1].alternate_name,
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menu_entries[2].alternate_name
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menu.welcome.swapped_menu = menu_entries
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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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menu.default = menu.welcome
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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.default
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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.default 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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-- Get menu handler
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local handler = menu.handlers[sel_entry.entry_type]
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if handler ~= nil then
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-- The handler's return value indicates whether
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-- we need to exit this menu. An omitted return
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-- value means "continue" by default.
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cont = handler(m, sel_entry)
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if cont == nil then
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cont = true
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end
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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.default then
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screen.defcursor()
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print("Exiting menu!")
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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[ ;]") ~= nil 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 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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return menu
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