install.lua

local url = "https://phoenix.madefor.cc/packages/"

if not term then error("This program requires CraftOS. Use the components program to add and remove components.") end
term.setPaletteColor(colors.orange, 0xD06018)
term.setPaletteColor(colors.white, 0xD8D8D8)

local width, height = term.getSize()
local nextLine
local coros = {}
local restoreCursor
local running = true
local pkginfo = {}

local mainScreen = window.create(term.current(), 1, 1, width, height)

local lastStatus
local function drawStatus(status)
    mainScreen.setCursorPos(3, height)
    mainScreen.setBackgroundColor(colors.white)
    mainScreen.setTextColor(colors.black)
    mainScreen.clearLine()
    mainScreen.write(status)
    lastStatus = status
end

local function clearScreen(status)
    mainScreen.setBackgroundColor(colors.orange)
    mainScreen.setTextColor(colors.white)
    mainScreen.clear()
    mainScreen.setCursorBlink(false)
    mainScreen.setCursorPos(3, 2)
    mainScreen.write("Phoenix Setup")
    mainScreen.setCursorPos(1, 3)
    mainScreen.write(("\x8C"):rep(16))
    drawStatus(status)
    nextLine = 5
    coros = {}
    restoreCursor = nil
end

local function label(text)
    local win = window.create(mainScreen, 3, nextLine, width - 4, height - nextLine, false)
    win.setBackgroundColor(colors.orange)
    win.setTextColor(colors.white)
    win.clear()
    local old = term.redirect(win)
    local th = print((text:gsub("* ", "\7 ")))
    term.redirect(old)
    win.reposition(3, nextLine, width - 4, th)
    win.setVisible(true)
    nextLine = nextLine + th + 1
end

local function textBox(h) return function(text)
    h = h or height - nextLine - 3
    mainScreen.setBackgroundColor(colors.orange)
    mainScreen.setTextColor(colors.white)
    mainScreen.setCursorPos(3, nextLine)
    mainScreen.write("\x9C" .. ("\x8C"):rep(width - 6))
    mainScreen.setBackgroundColor(colors.white)
    mainScreen.setTextColor(colors.orange)
    mainScreen.write("\x93")
    for i = 1, h do
        mainScreen.setCursorPos(mainScreen.getCursorPos() - 1, nextLine + i)
        mainScreen.write("\x95")
    end
    mainScreen.setBackgroundColor(colors.orange)
    mainScreen.setTextColor(colors.white)
    for i = 1, h do
        mainScreen.setCursorPos(3, nextLine + i)
        mainScreen.write("\x95")
    end
    mainScreen.setCursorPos(3, nextLine + h + 1)
    mainScreen.write("\x8D" .. ("\x8C"):rep(width - 6) .. "\x8E")
    local y, w = nextLine + 1, width - 7
    local outer = window.create(mainScreen, 4, y, w, h)
    outer.setBackgroundColor(colors.orange)
    outer.clear()
    local inner = window.create(outer, 1, 1, w, 9000)
    inner.setBackgroundColor(colors.orange)
    inner.setTextColor(colors.white)
    inner.clear()
    local old = term.redirect(inner)
    local th = print(text)
    term.redirect(old)
    inner.reposition(1, 1, w, th)
    coros[#coros+1] = coroutine.create(function()
        local scrollPos = 1
        while true do
            local ev = table.pack(os.pullEvent())
            local dir
            if ev[1] == "key" then
                if ev[2] == keys.up then dir = -1
                elseif ev[2] == keys.down then dir = 1 end
            elseif ev[1] == "mouse_scroll" and ev[3] >= 4 and ev[3] < 4 + w and ev[4] >= y and ev[4] < y + h then
                dir = ev[2]
            end
            if dir and (scrollPos + dir >= 1 and scrollPos + dir <= th - h) then
                scrollPos = scrollPos + dir
                inner.reposition(1, 2 - scrollPos)
            end
            mainScreen.setCursorPos(w + 4, y)
            mainScreen.blit(scrollPos > 1 and "\30" or " ", "0", "1")
            mainScreen.setCursorPos(w + 4, y + h - 1)
            mainScreen.blit(scrollPos < th - h and "\31" or " ", "0", "1")
        end
    end)
    nextLine = nextLine + h + 2
end end

local function inputBox(callback, default, replace)
    mainScreen.setBackgroundColor(colors.orange)
    mainScreen.setTextColor(colors.white)
    mainScreen.setCursorPos(3, nextLine)
    mainScreen.write("\x9C" .. ("\x8C"):rep(width - 6))
    mainScreen.setBackgroundColor(colors.white)
    mainScreen.setTextColor(colors.orange)
    mainScreen.write("\x93")
    mainScreen.setCursorPos(mainScreen.getCursorPos() - 1, nextLine + 1)
    mainScreen.write("\x95")
    mainScreen.setBackgroundColor(colors.orange)
    mainScreen.setTextColor(colors.white)
    mainScreen.setCursorPos(3, nextLine + 1)
    mainScreen.write("\x95")
    mainScreen.setCursorPos(3, nextLine + 2)
    mainScreen.write("\x8D" .. ("\x8C"):rep(width - 6) .. "\x8E")
    local win = window.create(mainScreen, 4, nextLine + 1, width - 6, 1)
    win.setBackgroundColor(colors.orange)
    win.setTextColor(colors.white)
    win.clear()
    win.setCursorBlink(true)
    restoreCursor = win.restoreCursor
    coros[#coros+1] = coroutine.create(function()
        local coro = coroutine.create(read)
        local old = term.redirect(win)
        local yield = table.pack(coroutine.resume(coro, replace, nil, nil, default))
        while coroutine.status(coro) == "suspended" do
            term.redirect(old)
            yield = table.pack(coroutine.yield(table.unpack(yield, 1, yield.n)))
            old = term.redirect(win)
            win.restoreCursor()
            yield = table.pack(coroutine.resume(coro, table.unpack(yield, 1, yield.n)))
        end
        term.redirect(old)
        if not yield[1] then error(yield[2]) end
        return callback(yield[2])
    end)
    nextLine = nextLine + 4
end

-- selections: false = unselected, true = selected default, "R" = required
local function selectionBox(h, selections, callback, didSelect)
    h = h or height - nextLine - 3
    local nsel = 0
    for _ in pairs(selections) do nsel = nsel + 1 end
    mainScreen.setBackgroundColor(colors.orange)
    mainScreen.setTextColor(colors.white)
    mainScreen.setCursorPos(3, nextLine)
    mainScreen.write("\x9C" .. ("\x8C"):rep(width - 6))
    mainScreen.setBackgroundColor(colors.white)
    mainScreen.setTextColor(colors.orange)
    mainScreen.write("\x93")
    for i = 1, h do
        mainScreen.setCursorPos(mainScreen.getCursorPos() - 1, nextLine + i)
        mainScreen.write("\x95")
    end
    mainScreen.setBackgroundColor(colors.orange)
    mainScreen.setTextColor(colors.white)
    for i = 1, h do
        mainScreen.setCursorPos(3, nextLine + i)
        mainScreen.write("\x95")
    end
    mainScreen.setCursorPos(3, nextLine + h + 1)
    mainScreen.write("\x8D" .. ("\x8C"):rep(width - 6) .. "\x8E")
    local y, w = nextLine + 1, width - 7
    local outer = window.create(mainScreen, 4, y, w, h)
    outer.setBackgroundColor(colors.orange)
    outer.clear()
    local inner = window.create(outer, 1, 1, w, nsel)
    inner.setBackgroundColor(colors.orange)
    inner.setTextColor(colors.white)
    inner.clear()
    local lines = {}
    local nl, selected = 1, 1
    for k, v in pairs(selections) do
        inner.setCursorPos(1, nl)
        inner.write((v and (v == "R" and "[-] " or "[\xD7] ") or "[ ] ") .. k)
        lines[nl] = {k, not not v}
        nl = nl + 1
    end
    mainScreen.setCursorPos(w + 4, y + h - 1)
    mainScreen.blit(1 < nsel - h + 1 and "\31" or " ", "0", "1")
    inner.setCursorPos(2, selected)
    inner.setCursorBlink(true)
    restoreCursor = inner.restoreCursor
    coros[#coros+1] = coroutine.create(function()
        local scrollPos = 1
        while true do
            local ev = table.pack(os.pullEvent())
            local dir
            if ev[1] == "key" then
                if ev[2] == keys.up then dir = -1
                elseif ev[2] == keys.down then dir = 1
                elseif ev[2] == keys.space and selections[lines[selected][1]] ~= "R" then
                    lines[selected][2] = not lines[selected][2]
                    inner.setCursorPos(2, selected)
                    inner.write(lines[selected][2] and "\xD7" or " ")
                    if didSelect and didSelect(lines[selected][1], lines[selected][2]) then
                        for i, v in ipairs(lines) do
                            local vv = selections[v[1]] == "R" and "R" or v[2]
                            inner.setCursorPos(2, i)
                            inner.write((vv and (vv == "R" and "-" or "\xD7") or " "))
                        end
                    end
                    inner.setCursorPos(2, selected)
                elseif ev[2] == keys.enter then
                    local s = {}
                    for _, v in ipairs(lines) do s[v[1]] = selections[v[1]] == "R" or v[2] end
                    callback(s)
                end
            elseif ev[1] == "mouse_scroll" and ev[3] >= 4 and ev[3] < 4 + w and ev[4] >= y and ev[4] < y + h then
                dir = ev[2]
            end
            if dir and (selected + dir >= 1 and selected + dir <= nsel) then
                selected = selected + dir
                if selected - scrollPos < 0 or selected - scrollPos >= h then
                    scrollPos = scrollPos + dir
                    inner.reposition(1, 2 - scrollPos)
                end
                inner.setCursorPos(2, selected)
            end
            mainScreen.setCursorPos(w + 4, y)
            mainScreen.blit(scrollPos > 1 and "\30" or " ", "0", "1")
            mainScreen.setCursorPos(w + 4, y + h - 1)
            mainScreen.blit(scrollPos < nsel - h + 1 and "\31" or " ", "0", "1")
            inner.restoreCursor()
        end
    end)
    nextLine = nextLine + h + 2
end

local function progressBar()
    mainScreen.setBackgroundColor(colors.orange)
    mainScreen.setTextColor(colors.white)
    mainScreen.setCursorPos(3, nextLine)
    mainScreen.write("\x9C" .. ("\x8C"):rep(width - 6))
    mainScreen.setBackgroundColor(colors.white)
    mainScreen.setTextColor(colors.orange)
    mainScreen.write("\x93")
    mainScreen.setCursorPos(mainScreen.getCursorPos() - 1, nextLine + 1)
    mainScreen.write("\x95")
    mainScreen.setBackgroundColor(colors.orange)
    mainScreen.setTextColor(colors.white)
    mainScreen.setCursorPos(3, nextLine + 1)
    mainScreen.write("\x95")
    mainScreen.setCursorPos(3, nextLine + 2)
    mainScreen.write("\x8D" .. ("\x8C"):rep(width - 6) .. "\x8E")
    local win = window.create(mainScreen, 4, nextLine + 1, width - 6, 1)
    win.setBackgroundColor(colors.orange)
    win.setTextColor(colors.white)
    win.clear()
    nextLine = nextLine + 4
    return function(progress)
        win.setCursorPos(1, 1)
        win.setBackgroundColor(colors.orange)
        win.clearLine()
        win.setBackgroundColor(colors.white)
        win.write((" "):rep(progress * (width - 6)))
    end
end

local function keyMap(actions)
    coros[#coros+1] = coroutine.create(function()
        while true do
            local event, key = os.pullEvent()
            if event == "key" and actions[key] then actions[key](key) end
        end
    end)
end

local function run()
    running = true
    for _, v in ipairs(coros) do coroutine.resume(v) end
    while running do
        if restoreCursor then restoreCursor() end
        local ev = table.pack(os.pullEvent())
        -- We ignore filters here as it adds unnecessary complexity. Be careful not to use them!
        for _, v in ipairs(coros) do coroutine.resume(v, table.unpack(ev, 1, ev.n)) end
    end
end

local filesDropped = {}
local function get(name)
    if http then return http.get(url .. name, nil, true) end
    local win = window.create(term.current(), 1, 1, width, height)
    win.setBackgroundColor(colors.orange)
    win.setTextColor(colors.white)
    win.clear()
    win.setCursorBlink(false)
    win.setCursorPos(3, 2)
    win.write("Phoenix Setup")
    win.setCursorPos(1, 3)
    win.write(("\x8C"):rep(16))
    win.setCursorPos(3, height)
    win.setBackgroundColor(colors.white)
    win.setTextColor(colors.black)
    win.clearLine()
    win.write(lastStatus)
    win.setBackgroundColor(colors.orange)
    win.setTextColor(colors.white)
    win.setCursorPos(3, 5)
    win.write("Please drop the file named '" .. name .. "'.")
    while not filesDropped[name] do
        local _, param = os.pullEvent("file_transfer")
        for _, file in ipairs(param.getFiles()) do
            filesDropped[file.getName()] = file
        end
    end
    mainScreen.redraw()
    return filesDropped[name]
end

local screens = {}

function screens.message(state, message, next)
    clearScreen("ENTER=Back")
    label(message)
    keyMap {[keys.enter] = function() running = false end}
    run()
    return next(state)
end

function screens.loading(state)
    clearScreen("Downloading package list...")
    label("Please wait while Setup initializes.")
    local handle, err = get("Packages")
    if not handle then return screens.message(state, "An error occurred while initializing Setup: Could not download package list: " .. err .. "\n\nSetup cannot continue. Press ENTER to exit.", function() end) end
    local pkg
    for line in handle.readLine do
        local k, v = line:match("^([%w%-]+):%s*(.+)$")
        if k then
            if k == "Package" then
                pkg = v
                pkginfo[pkg] = {}
            elseif k == "Size" then pkginfo[pkg].pkgsize = tonumber(v)
            elseif k == "Installed-Size" then pkginfo[pkg].filesize = tonumber(v) * 1024
            elseif k == "Priority" then pkginfo[pkg].priority = v
            elseif k == "Essential" then pkginfo[pkg].essential = true
            elseif k == "Depends" then
                local d = {}
                for p in v:gmatch "[^,]+" do d[p:match "[%w%-]+"] = true end
                pkginfo[pkg].depends = d
            end
        end
    end
    handle.close()
    return screens.welcome(state)
end

function screens.welcome(state)
    local next
    clearScreen("ENTER=Continue  Q=Quit")
    label[[
Welcome to the setup program for Phoenix. You will be guided through the steps necessary to install this software.

  * To install Phoenix now, press ENTER.
  * To quit setup without installing, press F5.
]]
    keyMap {
        [keys.enter] = function() next, running = true, false end,
        [keys.q] = function() next, running = false, false end
    }
    run()
    if next then return screens.readme(state)
    else return false end
end

function screens.readme(state)
    local next
    clearScreen("ENTER=Continue  TAB=Back  Q=Quit")
    label("Please read the following important information before installing.")
    textBox() [[
Welcome to Phoenix, the next generation operating system for ComputerCraft. Phoenix adds many advanced features to ComputerCraft, including preemptive multitasking, a UNIX-like environment, custom filesystems with support for permissions, a cleaner library API, and much more.

Phoenix requires about 800 kB of space for a basic installation. It is recommended to install it on a fresh computer, on an emulator such as CraftOS-PC, or after increasing the maximum computer storage space.

Phoenix does not support preemptive multitasking on LuaJIT platforms, including CraftOS-PC Accelerated, due to some limitations in LuaJIT. Make sure to disable preemptive multitasking after installing by adding "preemptive=false" to the boot arguments in /boot/config.lua.

The Phoenix operating system is currently ALPHA SOFTWARE. There will be a lot of bugs in the software, and many features are missing or incomplete. Please help fix these bugs by reporting them at https://github.com/Phoenix-ComputerCraft/issues.

For more information on Phoenix, as well as documentation on APIs, see https://phoenix.madefor.cc.
]]
    keyMap {
        [keys.enter] = function() next, running = true, false end,
        [keys.tab] = function() next, running = false, false end,
        [keys.q] = function() running = false end
    }
    run()
    if next then return screens.license(state)
    elseif next == false then return screens.welcome(state)
    else return false end
end

function screens.license(state)
    local next
    clearScreen("F=Agree  Q=Decline  TAB=Back  \24\25=Scroll")
    label("You must agree to the following license agreement to install Phoenix.")
    textBox() [[
                    GNU GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007

 Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.

                            Preamble

  The GNU General Public License is a free, copyleft license for
software and other kinds of works.

  The licenses for most software and other practical works are designed
to take away your freedom to share and change the works.  By contrast,
the GNU General Public License is intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users.  We, the Free Software Foundation, use the
GNU General Public License for most of our software; it applies also to
any other work released this way by its authors.  You can apply it to
your programs, too.

  When we speak of free software, we are referring to freedom, not
price.  Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
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  To protect your rights, we need to prevent others from denying you
these rights or asking you to surrender the rights.  Therefore, you have
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  7. Additional Terms.

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Additional permissions that are applicable to the entire Program shall
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  9. Acceptance Not Required for Having Copies.

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  11. Patents.

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  13. Use with the GNU Affero General Public License.

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  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
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  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
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EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
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  17. Interpretation of Sections 15 and 16.

  If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.

                     END OF TERMS AND CONDITIONS

            How to Apply These Terms to Your New Programs

  If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.

  To do so, attach the following notices to the program.  It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.

    Phoenix Kernel
    Copyright (C) 2026  JackMacWindows

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.

Also add information on how to contact you by electronic and paper mail.

  If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:

    Phoenix Kernel  Copyright (C) 2026  JackMacWindows
    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
    This is free software, and you are welcome to redistribute it
    under certain conditions; type `show c' for details.

The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License.  Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".

  You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.

  The GNU General Public License does not permit incorporating your program
into proprietary programs.  If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library.  If this is what you want to do, use the GNU Lesser General
Public License instead of this License.  But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

This software complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This software may not cause harmful interference, and (2) this software must accept any interference received, including interference that may cause undesired operation.



This product contains portions from Recrafted, cash, lualzw, and json.lua, which are licensed under the MIT license.

Copyright (c) 2020-2022 JackMacWindows
Copyright (c) 2022 Ocawesome101 (libcraftos.init - https://github.com/Ocawesome101/recrafted)
Copyright (c) 2020 rxi (libsystem.serialization.json - https://github.com/rxi/json.lua)
Copyright (c) 2016 Rochet2 (baseutils compress, decompress - https://github.com/Rochet2/lualzw)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

The LibDeflate component is licensed under the zlib license.

(C) 2018-2021 Haoqian He

This software is provided 'as-is', without any express or implied warranty.  In no event will the authors be held liable for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
]]
    keyMap {
        [keys.f] = function() next, running = true, false end,
        [keys.tab] = function() next, running = false, false end,
        [keys.q] = function() running = false end
    }
    run()
    if next then os.pullEvent("char") return screens.rootdir(state)
    elseif next == false then return screens.readme(state)
    else return false end
end

function screens.rootdir(state)
    local next, path
    clearScreen("ENTER=Continue  TAB=Back  F5=Quit")
    label("Please enter the path to the desired root directory. This is where all files will be stored while running Phoenix.")
    inputBox(function(p) path, next, running = p, true, false end, state.rootdir or "/root")
    keyMap {
        [keys.tab] = function() next, running = false, false end,
        [keys.f5] = function() running = false end
    }
    run()
    state.rootdir = path
    if next then return screens.luz(state)
    elseif next == false then return screens.license(state)
    else return false end
end

function screens.luz(state)
    local next, path
    clearScreen("ENTER=Skip  L=Use Luz  TAB=Back  F5=Quit")
    label("The Phoenix kernel is available as a Luz file, which is highly compressed and reduces the kernel's disk usage by ~200 kB. However, using it will increase boot times by a few seconds.\n\n \7 Press L to use the Luz-compressed kernel.\n \7 Press Enter to skip and use the full-size kernel.")
    keyMap {
        [keys.tab] = function() next, running = false, false end,
        [keys.f5] = function() running = false end,
        [keys.enter] = function() next, running = true, false end,
        [keys.l] = function() next, running = "l", false end
    }
    run()
    state.freeSpace = fs.getFreeSpace(state.rootdir)
    state.spanfs_disks = nil
    if next == "l" then os.pullEvent("char") state.luz = true return screens.spanfs_intro(state)
    elseif next then return screens.spanfs_intro(state)
    elseif next == false then return screens.rootdir(state)
    else return false end
end

function screens.spanfs_intro(state)
    local next, path
    clearScreen("ENTER=Skip  S=Continue  TAB=Back  F5=Quit")
    label("Phoenix can be installed across multiple disk drives to increase the available disk space by using a span. This requires at least two connected disk drives, which cannot be removed while the OS is running.\n\n \7 Press S to set up and install to a span.\n \7 Press Enter to skip and install on the local filesystem normally.")
    keyMap {
        [keys.tab] = function() next, running = false, false end,
        [keys.f5] = function() running = false end,
        [keys.enter] = function() next, running = true, false end,
        [keys.s] = function() next, running = "s", false end
    }
    run()
    state.freeSpace = fs.getFreeSpace(state.rootdir)
    state.spanfs_disks = nil
    if next == "s" then os.pullEvent("char") return screens.spanfs_name(state)
    elseif next then return screens.username(state)
    elseif next == false then return screens.luz(state)
    else return false end
end

function screens.spanfs_name(state)
    local next, path
    clearScreen("ENTER=Continue  TAB=Back  F5=Quit")
    label("Please enter a name for the span. This is used to identify the disks.")
    inputBox(function(p) path, next, running = p, true, false end, state.spanfs_name or "Phoenix")
    keyMap {
        [keys.tab] = function() next, running = false, false end,
        [keys.f5] = function() running = false end
    }
    run()
    state.spanfs_name = path
    if next then return screens.spanfs_select(state)
    elseif next == false then return screens.spanfs_intro(state)
    else return false end
end

function screens.spanfs_select(state)
    local next
    clearScreen("ENTER=Continue  SPACE=Toggle  TAB=Back  F5=Quit")
    label("Select the disk drives to include in the span. Order or IDs will not matter after installation. ALL SELECTED DISKS WILL BE ERASED.")
    local selections = {}
    for _, drive in ipairs{peripheral.find("drive")} do if drive.isDiskPresent() then selections[peripheral.getName(drive)] = false end end
    selectionBox(nil, selections, function(entries)
        state.spanfs_disks = {}
        state.freeSpace = 0
        for k, v in pairs(entries) do if v then
            if #state.spanfs_disks > 0 then state.freeSpace = state.freeSpace + fs.getCapacity(peripheral.call(k, "getMountPath")) - 500 end
            state.spanfs_disks[#state.spanfs_disks+1] = k
        end end
        next, running = true, false
    end)
    keyMap {
        [keys.tab] = function() next, running = false, false end,
        [keys.f5] = function() running = false end
    }
    run()
    if next then
        if #state.spanfs_disks < 2 then return screens.message(state, "At least two disks must be selected to use a span. Please select additional drives.", screens.spanfs_select) end
        return screens.username(state)
    elseif next == false then return screens.spanfs_name(state)
    else return false end
end

function screens.username(state)
    local next, path
    clearScreen("ENTER=Continue  TAB=Back  F5=Quit")
    label("Please enter the username for the primary user account. More users may be created after installation.")
    inputBox(function(p) path, next, running = p, true, false end, state.username)
    keyMap {
        [keys.tab] = function() next, running = false, false end,
        [keys.f5] = function() running = false end
    }
    run()
    state.username = path
    if next then return screens.password(state)
    elseif next == false then return screens.spanfs_intro(state)
    else return false end
end

function screens.password(state)
    local next, path
    clearScreen("ENTER=Continue  TAB=Back  F5=Quit")
    label("Please enter the password for the primary user account.")
    inputBox(function(p) path, next, running = p, true, false end, state.password, "\7")
    keyMap {
        [keys.tab] = function() next, running = false, false end,
        [keys.f5] = function() running = false end
    }
    run()
    state.password = path
    if next then return screens.password2(state)
    elseif next == false then return screens.username(state)
    else return false end
end

function screens.password2(state)
    local next, path
    clearScreen("ENTER=Continue  TAB=Back  F5=Quit")
    label("Please type the password again to confirm.")
    inputBox(function(p) path, next, running = p, true, false end, "", "\7")
    keyMap {
        [keys.tab] = function() next, running = false, false end,
        [keys.f5] = function() running = false end
    }
    run()
    if next then
        if state.password ~= path then
            return screens.message(state, "The provided passwords do not match. Please try again.", screens.password)
        end
        return screens.components(state)
    elseif next == false then return screens.password(state)
    else return false end
end

function screens.components(state)
    local next
    clearScreen("ENTER=Continue  SPACE=Toggle  TAB=Back  F5=Quit")
    label("Select the components to install from the list below.\n[-] = required, [\xD7] = selected")
    local selections = {}
    for k, v in pairs(pkginfo) do if k ~= "stage2-tarball" then
        if k == "phoenix" or k == "phoenix-luz" then
            if (state.luz and k == "phoenix-luz") or (not state.luz and k == "phoenix") then selections[k] = "R" end
        elseif v.essential or v.priority == "required" or (state.spanfs_disks and (k == "initrd-utils" or k == "spanfs")) then selections[k] = "R"
        elseif v.priority == "optional" then selections[k] = false
        else selections[k] = true end
    end end
    local function updateRequirements()
        local function update(pkg)
            if selections[pkg] and pkginfo[pkg].depends then
                for k in pairs(pkginfo[pkg].depends) do
                    selections[k] = "R"
                    update(k)
                end
            end
        end
        for k, v in pairs(selections) do selections[k] = (pkginfo[k].essential or pkginfo[k].priority == "required" or (state.spanfs_disks and (k == "initrd-utils" or k == "spanfs"))) and "R" or not not v end
        for k in pairs(selections) do update(k) end
    end
    updateRequirements()
    selectionBox(nil, selections, function(entries)
        state.components = {}
        local s, nodes = {}, {}
        for k, v in pairs(entries) do if v then
            local d = {}
            for l, w in pairs(pkginfo[k].depends or {}) do d[l] = w end
            nodes[k] = d
            if not _G.next(d) then s[#s+1] = k end
        end end
        while #s > 0 do
            local n = table.remove(s)
            state.components[#state.components+1] = n
            for k, v in pairs(nodes) do
                if v[n] then
                    v[n] = nil
                    if not _G.next(v) then s[#s+1] = k end
                end
            end
        end
        next, running = true, false
    end, function(k, v) selections[k] = v updateRequirements() return true end)
    keyMap {
        [keys.tab] = function() next, running = false, false end,
        [keys.f5] = function() running = false end
    }
    run()
    if next then return screens.confirm(state)
    elseif next == false then return screens.password(state)
    else return false end
end

function screens.confirm(state)
    local dlsize = pkginfo["stage2-tarball"].filesize
    local instsize = 0
    for _, v in ipairs(state.components) do
        dlsize = dlsize + pkginfo[v].pkgsize
        instsize = instsize + pkginfo[v].filesize
    end
    local required, space = math.max(dlsize, instsize), state.freeSpace
    if space < required then
        return screens.message(state, "The selected components require " .. math.ceil(required / 1024) .. "kiB of space, but only " .. math.ceil(space / 1024) .. "kiB is available. Please deselect some components or delete files to make space.", screens.components)
    end
    local details = ("Root directory: %s\nUsing spanfs: %s\nPrimary user: %s\nDownload size: %dkiB\nInstalled size: %dkiB\nComponents:\n"):format(state.rootdir, state.spanfs_disks and "Yes, on " .. table.concat(state.spanfs_disks, ", ") or "No", state.username, math.floor((dlsize - pkginfo["stage2-tarball"].filesize + pkginfo["stage2-tarball"].pkgsize) / 1024), math.floor(instsize / 1024))
    for _, k in ipairs(state.components) do details = details .. "\7 " .. k .. "\n" end
    local next
    clearScreen("ENTER=Install  TAB=Back  Q=Quit")
    label[[
The following settings will be used to install Phoenix.

  * To install Phoenix, press ENTER.
  * To adjust any settings, press F1 to go back.]]
    textBox()(details)
    keyMap {
        [keys.enter] = function() next, running = true, false end,
        [keys.tab] = function() next, running = false, false end,
        [keys.q] = function() running = false end
    }
    run()
    if next then return screens.download(state)
    elseif next == false then return screens.components(state)
    else return false end
end

function screens.download(state)
    clearScreen("")
    label "Downloading components..."
    local progress = progressBar()
    local total = 2
    for _ in pairs(state.components) do total = total + 1 end
    local n = 0
    fs.makeDir(fs.combine(state.rootdir, "tmp/pkg"))
    for _, k in ipairs(state.components) do
        drawStatus("Downloading: " .. k)
        local handle, err = get(k .. ".deb")
        if not handle then
            sleep(0)
            return screens.message(state, "An error occurred while downloading the " .. k .. " component. Installation cannot continue.\n\nPress ENTER to exit.\n\nError message: " .. err, function() return false end)
        end
        local file, err = fs.open(fs.combine(state.rootdir, "tmp/pkg/" .. k .. ".deb"), "wb")
        if not file then
            handle.close()
            sleep(0)
            return screens.message(state, "An error occurred while saving the " .. k .. " component. Installation cannot continue.\n\nPress ENTER to exit.\n\nError message: " .. err, function() return false end)
        end
        file.write(handle.readAll())
        handle.close()
        file.close()
        n = n + 1
        progress(n / total)
    end
    drawStatus("Downloading: base system")
    local handle, err = get("stage2.tar")
    if not handle then
        sleep(0)
        return screens.message(state, "An error occurred while downloading the base system component. Installation cannot continue.\n\nPress ENTER to exit.\n\nError message: " .. err, function() return false end)
    end
    state.stage2 = handle.readAll()
    handle.close()
    progress(1 - 1 / total)
    drawStatus("Downloading: kernel")
    handle, err = get("kernel.lua")
    if not handle then
        sleep(0)
        return screens.message(state, "An error occurred while downloading the kernel component. Installation cannot continue.\n\nPress ENTER to exit.\n\nError message: " .. err, function() return false end)
    end
    state.kernel = handle.readAll()
    handle.close()
    progress(1)
    return screens.install_stage1(state)
end

function screens.install_stage1(state)
    clearScreen("Parsing tarball...")
    label "Extracting base system..."
    local progress = progressBar()
    local files = {}
    local pos = 1
    local total = 2
    while pos < #state.stage2 do
        local path = state.stage2:sub(pos, pos + 99):gsub("%z+$", "")
        if path == "" then break end
        local size = tonumber(state.stage2:sub(pos + 124, pos + 135):gsub("[^0-7]", ""), 8)
        local type = tonumber(state.stage2:sub(pos + 156, pos + 156):gsub("%D", ""), 10)
        if type == 0 then
            files[path] = state.stage2:sub(pos + 512, pos + size + 511)
            total = total + 1
        end
        pos = pos + 512 + math.ceil(size / 512) * 512
    end
    state.stage2 = nil
    local n = 1
    progress(n / total)
    for k, v in pairs(files) do
        drawStatus("Extracting: " .. k)
        local file, err = fs.open(fs.combine(state.rootdir, k), "wb")
        if not file then
            sleep(0)
            return screens.message(state, "An error occurred while extracting " .. k .. ". Installation cannot continue.\n\nPress ENTER to exit.\n\nError message: " .. err, function() return false end)
        end
        file.write(v)
        file.close()
        n = n + 1
        progress(n / total)
    end
    if state.spanfs_disks then
        drawStatus("Formatting span...")
        state.spanfs = ('xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'):gsub('[xy]', function (c)
            local v = (c == 'x') and math.random(0, 0xf) or math.random(8, 0xb)
            return ('%x'):format(v)
        end)
        for i, v in ipairs(state.spanfs_disks) do
            local path = peripheral.call(v, "getMountPath")
            for _, p in ipairs(fs.find(fs.combine(path, "*"))) do fs.delete(p) end
            local file, err = fs.open(fs.combine(path, ".spanfs"), "w")
            if not file then
                sleep(0)
                return screens.message(state, "An error occurred while formatting the span. Installation cannot continue.\n\nPress ENTER to exit.\n\nError message: " .. err, function() return false end)
            end
            file.writeLine(state.spanfs_name)
            file.writeLine(state.spanfs)
            file.writeLine(i-1)
            file.close()
            if i == 1 then
                local file, err = fs.open(fs.combine(path, "index"), "wb")
                if not file then
                    sleep(0)
                    return screens.message(state, "An error occurred while formatting the span. Installation cannot continue.\n\nPress ENTER to exit.\n\nError message: " .. err, function() return false end)
                end
                file.write(("<III8I8BBs2s2Bs2BI"):pack(38 + #state.spanfs_name, 0, os.time() * 1000, os.time() * 1000, 5, 5, state.spanfs_name, "root", 1, "root", 7, 0))
                file.close()
            end
        end
    end
    drawStatus("Saving configuration...")
    local file, err = fs.open(fs.combine(state.rootdir, "install_config.lua"), "w")
    if not file then
        sleep(0)
        return screens.message(state, "An error occurred while saving the config. Installation cannot continue.\n\nPress ENTER to exit.\n\nError message: " .. err, function() return false end)
    end
    file.write("return ")
    file.write(textutils.serialize(state))
    file.close()
    file = fs.open("startup.lua", "w")
    file.write("if not fs.exists('" .. fs.combine(state.rootdir, "install_config.lua") .. "') then local file = fs.open('startup.lua', 'w') file.write('sleep(0) " .. (_VERSION == "Lua 5.1" and "_G._ENV = _G " or "") .. "shell.run(\"" .. fs.combine(state.rootdir, "boot/pxboot.lua") .. "\")') file.close() return shell.run('/startup.lua') else fs.delete('startup.lua') end")
    file.close()
    progress(1)
    return screens.reboot(state)
end

function screens.reboot(state)
    clearScreen("Please Wait...")
    label "The first portion of setup has completed. Installation will continue in the new Phoenix system. The system will reboot in 5 seconds."
    local progress = progressBar()
    for i = 1, 5 do
        progress(i / 5)
        sleep(1)
    end
    -- I lied. We're not rebooting, just booting into UnBIOS. Sorry not sorry.
    local ok, err = pcall(function()
        local fn = assert(load(state.kernel, "=kernel", "t", _G))
        if _VERSION == "Lua 5.1" then _G._ENV = _G end
        -- UnBIOS by JackMacWindows
        -- This will undo most of the changes/additions made in the BIOS, but some things may remain wrapped if `debug` is unavailable
        -- To use, just place a `bios.lua` in the root of the drive, and run this program
        -- Here's a list of things that are irreversibly changed:
        -- * both `bit` and `bit32` are kept for compatibility
        -- * string metatable blocking (on old versions of CC)
        -- In addition, if `debug` is not available these things are also irreversibly changed:
        -- * old Lua 5.1 `load` function (for loading from a function)
        -- * `loadstring` prefixing (before CC:T 1.96.0)
        -- * `http.request`
        -- * `os.shutdown` and `os.reboot`
        -- * `peripheral`
        -- * `turtle.equip[Left|Right]`
        -- Licensed under the MIT license
        local old_dofile = _G.dofile
        local keptAPIs = {bit32 = true, bit = true, ccemux = true, config = true, coroutine = true, debug = true, ffi = true, fs = true, http = true, io = true, jit = true, mounter = true, os = true, periphemu = true, peripheral = true, redstone = true, rs = true, term = true, utf8 = true, _HOST = true, _CC_DEFAULT_SETTINGS = true, _CC_DISABLE_LUA51_FEATURES = true, _VERSION = true, assert = true, collectgarbage = true, error = true, gcinfo = true, getfenv = true, getmetatable = true, ipairs = true, load = true, loadstring = true, math = true, newproxy = true, next = true, pairs = true, pcall = true, rawequal = true, rawget = true, rawlen = true, rawset = true, select = true, setfenv = true, setmetatable = true, string = true, table = true, tonumber = true, tostring = true, type = true, unpack = true, xpcall = true, turtle = true, pocket = true, commands = true, _G = true, sound = true}
        local t = {}
        for k in pairs(_G) do if not keptAPIs[k] then table.insert(t, k) end end
        for _,k in ipairs(t) do _G[k] = nil end
        local native = _G.term.native()
        for _, method in ipairs { "nativePaletteColor", "nativePaletteColour", "screenshot" } do
            native[method] = _G.term[method]
        end
        _G.term = native
        if _G.http then
            _G.http.checkURL = _G.http.checkURLAsync
            _G.http.websocket = _G.http.websocketAsync
        end
        if _G.commands then _G.commands = _G.commands.native end
        if _G.turtle then _G.turtle.native, _G.turtle.craft = nil end
        local delete = {os = {"version", "pullEventRaw", "pullEvent", "run", "loadAPI", "unloadAPI", "sleep"}, http = _G.http and {"get", "post", "put", "delete", "patch", "options", "head", "trace", "listen", "checkURLAsync", "websocketAsync"}, fs = {"complete", "isDriveRoot"}}
        for k,v in pairs(delete) do for _,a in ipairs(v) do _G[k][a] = nil end end
        -- Set up TLCO
        -- This functions by crashing `rednet.run` by removing `os.pullEventRaw`. Normally
        -- this would cause `parallel` to throw an error, but we replace `error` with an
        -- empty placeholder to let it continue and return without throwing. This results
        -- in the `pcall` returning successfully, preventing the error-displaying code
        -- from running - essentially making it so that `os.shutdown` is called immediately
        -- after the new BIOS exits.
        --
        -- From there, the setup code is placed in `term.native` since it's the first
        -- thing called after `parallel` exits. This loads the new BIOS and prepares it
        -- for execution. Finally, it overwrites `os.shutdown` with the new function to
        -- allow it to be the last function called in the original BIOS, and returns.
        -- From there execution continues, calling the `term.redirect` dummy, skipping
        -- over the error-handling code (since `pcall` returned ok), and calling
        -- `os.shutdown()`. The real `os.shutdown` is re-added, and the new BIOS is tail
        -- called, which effectively makes it run as the main chunk.
        local olderror = error
        _G.error = function() end
        _G.term.redirect = function() end
        function _G.term.native()
            _G.term.native = nil
            _G.term.redirect = nil
            _G.error = olderror
            term.setBackgroundColor(32768)
            term.setTextColor(1)
            term.setCursorPos(1, 1)
            term.setCursorBlink(true)
            term.clear()
            local oldshutdown = os.shutdown
            os.shutdown = function()
                os.shutdown = oldshutdown
                return fn("root=" .. state.rootdir, "init=/install_stage2.lua")
            end
        end
        if debug then
            -- Restore functions that were overwritten in the BIOS
            -- Apparently this has to be done *after* redefining term.native
            local function restoreValue(tab, idx, name, hint)
                local i, key, value = 1, debug.getupvalue(tab[idx], hint)
                while key ~= name and not (key == nil and i > 1) do
                    key, value = debug.getupvalue(tab[idx], i)
                    i=i+1
                end
                tab[idx] = value or tab[idx]
            end
            restoreValue(_G, "loadstring", "nativeloadstring", 1)
            restoreValue(_G, "load", "nativeload", 5)
            if http then restoreValue(http, "request", "nativeHTTPRequest", 3) end
            restoreValue(os, "shutdown", "nativeShutdown", 1)
            restoreValue(os, "reboot", "nativeReboot", 1)
            if turtle then
                restoreValue(turtle, "equipLeft", "v", 1)
                restoreValue(turtle, "equipRight", "v", 1)
            end
            do
                local i, key, value = 1, debug.getupvalue(peripheral.isPresent, 2)
                while key ~= "native" and key ~= nil do
                    key, value = debug.getupvalue(peripheral.isPresent, i)
                    i=i+1
                end
                _G.peripheral = value or peripheral
            end
            -- Restore Discord plugin in CraftOS-PC
            if debug.getupvalue(old_dofile, 2) == "status" then
                local _, status = debug.getupvalue(old_dofile, 2)
                _, _G.discord = debug.getupvalue(status, 4)
            end
        end
        while true do coroutine.yield() end
    end)
    -- If this fails, it's an error.
    return screens.message(state, "An error occurred while rebooting: " .. err .. ". Installation cannot continue.\n\nPress ENTER to exit.", function() return false end)
end

screens.loading{}

term.setPaletteColor(colors.orange, term.nativePaletteColor(colors.orange))
term.setPaletteColor(colors.white, term.nativePaletteColor(colors.white))
term.setBackgroundColor(colors.black)
term.setTextColor(colors.white)
term.clear()
term.setCursorPos(1, 1)