how to install openos open opencomputers
local component = require("component")
local computer = require("computer")
local shell = require("shell")
local unicode = require("unicode")
local event = require("event")
local fs = require("filesystem")
local internet = require("internet")
local seri = require("serialization")
local gpu = component.gpu
shell.setWorkingDirectory("")

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-----------------Computer checking for compliance with the system requirements--------------------------

--Create an array of stuff
local stuff = {}

print(" ")
print("Analyzing computer for matching system requirements...")

--Check whether it is a tablet
if component.isAvailable("tablet") then 
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	table.insert(stuff, "Tablet PC detected - You can't install MineOS on tablet because of primitive GPU and Screen.") 
end

--Check the GPU
if gpu.maxResolution() < 150 then 
	table.insert(stuff, "Bad GPU or Screen - MineOS requires Tier 3 GPU and Tier 3 Screen.") 
end

--Checks the RAM
if math.floor(computer.totalMemory() / 1024 ) < 1536 then 
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	table.insert(stuff, "Not enough RAM - MineOS requires at least 1536 KB RAM.") 
end

if fs.get("bin/edit.lua") == nil or fs.get("bin/edit.lua").isReadOnly() then 
	table.insert(stuff, "You can't install MineOS on floppy disk. Run \"install\" in command line and install OpenOS from floppy to HDD first. After that you're be able to install MineOS from Pastebin.") 
end

--If found any discrepancy ICU requirements , then write that it is not so
if #stuff> 0 then
  print(" ")
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  for i = 1, #stuff do
    print(stuff[i])
  end
  print(" ")
  return
else
  print("Done, everything's good. Proceed to downloading.")
  print(" ")
end

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------------------------------------------------------------------------------------------

local lang

local applications

local padColor = 0x262626
local installerScale = 1

local timing = 0.2
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-----------------------------STAGE TRAINING-------------------------------------------


--Gets the files from GitHub
local function getFromGitHub(url, path)
  local sContent = ""
  local result, response = pcall(internet.request, url)
  if not result then
    return nil
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  end

  if fs.exists(path) then fs.remove(path) end
  fs.makeDirectory(fs.path(path))
  local file = io.open(path, "w")

  for chunk in response do
    file:write(chunk)
    sContent = sContent .. chunk
  end
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  file:close()

  return sContent
end

--Save Files
local function getFromGitHubSafely(url, path)
  local success, sRepos = pcall(getFromGitHub, url, path)
  if not success then
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    io.stderr:write("Can't download \"" .. url .. "\"!\n")
    return -1
  end
  return sRepos
end

--Gets files from pastebin
local function getFromPastebin(paste, filename)
  local cyka = ""
  local f, reason = io.open(filename, "w")
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  if not f then
    io.stderr:write("Failed opening file for writing: " .. reason)
    return
  end
  --io.write("Downloading from pastebin.com... ")
  local url = "http://pastebin.com/raw.php?i=" .. paste
  local result, response = pcall(internet.request, url)
  if result then
    --io.write("success.\n")
    for chunk in response do
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      --if not options.k then
        --string.gsub(chunk, "\r\n", "\n")
      --end
      f:write(chunk)
      cyka = cyka .. chunk
    end
    f:close()
    --io.write("Saved data to " .. filename .. "\n")
  else
    f:close()
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    fs.remove(filename)
    io.stderr:write("HTTP request failed: " .. response .. "\n")
  end

  return cyka
end

local GitHubUserUrl = "https://raw.githubusercontent.com/"


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--------------------------------- Download all the necessary items ---------------------------------


local preLoadApi = {
  { paste = "IgorTimofeev/OpenComputers/master/lib/ECSAPI.lua", path = "lib/ECSAPI.lua" },
  { paste = "IgorTimofeev/OpenComputers/master/lib/colorlib.lua", path = "lib/colorlib.lua" },
  { paste = "IgorTimofeev/OpenComputers/master/lib/image.lua", path = "lib/image.lua" },
  { paste = "IgorTimofeev/OpenComputers/master/lib/config.lua", path = "lib/config.lua" },
  { paste = "IgorTimofeev/OpenComputers/master/MineOS/Icons/Languages.pic", path = "MineOS/System/OS/Icons/Languages.pic" },
  { paste = "IgorTimofeev/OpenComputers/master/MineOS/Icons/OK.pic", path = "MineOS/System/OS/Icons/OK.pic" },
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  { paste = "IgorTimofeev/OpenComputers/master/MineOS/Icons/Downloading.pic", path = "MineOS/System/OS/Icons/Downloading.pic" },
  { paste = "IgorTimofeev/OpenComputers/master/MineOS/Icons/OS_Logo.pic", path = "MineOS/System/OS/Icons/OS_Logo.pic" },
}

print("Downloading file list")
applications = seri.unserialize(getFromGitHubSafely(GitHubUserUrl .. "IgorTimofeev/OpenComputers/master/Applications.txt", "MineOS/System/OS/Applications.txt"))
print(" ")

for i = 1, #preLoadApi do
  print("Downloading must-have files (" .. fs.name(preLoadApi[i].path) .. ")")
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  getFromGitHubSafely(GitHubUserUrl .. preLoadApi[i].paste, preLoadApi[i].path)
end

print(" ")

package.loaded.ecs = nil
package.loaded.ECSAPI = nil
_G.ecs = require("ECSAPI")
_G.image = require("image")
_G.config = require("config")
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local imageOS = image.load("MineOS/System/OS/Icons/OS_Logo.pic")
local imageLanguages = image.load("MineOS/System/OS/Icons/Languages.pic")
local imageDownloading = image.load("MineOS/System/OS/Icons/Downloading.pic")
local imageOK = image.load("MineOS/System/OS/Icons/OK.pic")

ecs.setScale(installerScale)

local xSize, ySize = gpu.getResolution()
local windowWidth = 80
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local windowHeight = 2 + 16 + 2 + 3 + 2
local xWindow, yWindow = math.floor(xSize / 2 - windowWidth / 2), math.ceil(ySize / 2 - windowHeight / 2)
local xWindowEnd, yWindowEnd = xWindow + windowWidth - 1, yWindow + windowHeight - 1


-------------------------------------------------------------------------------------------

local function clear()
  ecs.blankWindow(xWindow, yWindow, windowWidth, windowHeight)
end
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--ОБЪЕКТЫ
local obj = {}
local function newObj(class, name, ...)
  obj[class] = obj[class] or {}
  obj[class][name] = {...}
end

local function drawButton(name, isPressed)
  local buttonColor = 0x888888
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  if isPressed then buttonColor = ecs.colors.blue end
  local d = { ecs.drawAdaptiveButton("auto", yWindowEnd - 3, 2, 1, name, buttonColor, 0xffffff) }
  newObj("buttons", name, d[1], d[2], d[3], d[4])
end

local function waitForClickOnButton(buttonName)
  while true do
    local e = { event.pull() }
    if e[1] == "touch" then
      if ecs.clickedAtArea(e[3], e[4], obj["buttons"][buttonName][1], obj["buttons"][buttonName][2], obj["buttons"][buttonName][3], obj["buttons"][buttonName][4]) then
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        drawButton(buttonName, true)
        os.sleep(timing)
        break
      end
    end
  end
end


------------------------------LANGUAGE------------------------------------
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ecs.prepareToExit()

local downloadWallpapers, showHelpTips = false, false

do

  clear()

  image.draw(math.ceil(xSize / 2 - 30), yWindow + 2, imageLanguages)
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  --Draw dat button
  drawButton("Select language",false)

  waitForClickOnButton("Select language")

  local data = ecs.universalWindow("auto", "auto", 36, 0x262626, true, {"EmptyLine"}, {"CenterText", ecs.colors.orange, "Select language"}, {"EmptyLine"}, {"Select", 0xFFFFFF, ecs.colors.green, "Russian", "English"}, {"EmptyLine"}, {"CenterText", ecs.colors.orange, "Change some OS properties"}, {"EmptyLine"}, {"Switch", 0xF2B233, 0xffffff, 0xFFFFFF, "Download wallpapers", true}, {"EmptyLine"}, {"Switch", 0xF2B233, 0xffffff, 0xFFFFFF, "Show help tips in OS", true}, {"EmptyLine"}, {"Button", {ecs.colors.orange, 0x262626, "OK"}})
  downloadWallpapers, showHelpTips = data[2], data[3]

  --Sets the desired language
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  _G.OSSettings = { showHelpOnApplicationStart = showHelpTips, language = data[1] }
  ecs.saveOSSettings()

  --Downloads language
  ecs.info("auto", "auto", " ", " Installing language packages...")
  local pathToLang = "MineOS/System/OS/Installer/Language.lang"
  getFromGitHubSafely(GitHubUserUrl .. "IgorTimofeev/OpenComputers/master/Installer/" .. _G.OSSettings.language .. ".lang", pathToLang)
  getFromGitHubSafely(GitHubUserUrl .. "IgorTimofeev/OpenComputers/master/MineOS/License/" .. _G.OSSettings.language .. ".txt", "MineOS/System/OS/License.txt")
  
  --Apply the language
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  lang = config.readAll(pathToLang)

end


------------------------------Get the axis------------------------------------

do
  clear()

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  image.draw(math.ceil(xSize / 2 - 15), yWindow + 2, imageOS)

  --Draw the center
  gpu.setBackground(ecs.windowColors.background)
  gpu.setForeground(ecs.colors.gray)
  ecs.centerText("x", yWindowEnd - 5 , lang.beginOsInstall)

  --Button
  drawButton("->",false)

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  waitForClickOnButton("->")

end

------------------------------User License------------------------------------------

do
  clear()
  
  --How to draw acc conditions
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  local from = 1
  local xText, yText, TextWidth, TextHeight = xWindow + 4, yWindow + 2, windowWidth - 8, windowHeight - 7

  --Read file sogll persons
  local lines = {}
  local file = io.open("MineOS/System/OS/License.txt", "r")
  for line in file:lines() do
    table.insert(lines, line)
  end
  file:close()
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  --Draw thing
  ecs.textField(xText, yText, TextWidth, TextHeight, lines, from, 0xffffff, 0x262626, 0x888888, ecs.colors.blue)

  --Draw information
  --ecs.centerText("x", yWindowEnd - 5 ,"Принимаете ли вы условия лицензионного соглашения?")

  --Button
  drawButton(lang.acceptLicense, false)

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  while true do
    local e = { event.pull() }
    if e[1] == "touch" then
      if ecs.clickedAtArea(e[3], e[4], obj["buttons"][lang.acceptLicense][1], obj["buttons"][lang.acceptLicense][2], obj["buttons"][lang.acceptLicense][3], obj["buttons"][lang.acceptLicense][4]) then
        drawButton(lang.acceptLicense, true)
        os.sleep(timing)
        break
      end
    elseif e[1] == "scroll" then
      if e[5] == -1 then
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        if from < #lines then from = from + 1; ecs.textField(xText, yText, TextWidth, TextHeight, lines, from, 0xffffff, 0x262626, 0x888888, ecs.colors.blue) end
      else
        if from > 1 then from = from - 1; ecs.textField(xText, yText, TextWidth, TextHeight, lines, from, 0xffffff, 0x262626, 0x888888, ecs.colors.blue) end
      end
    end
  end
end

-------------------------- Prepare file system ----------------------------------

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--Create ways to start , and other little things purely for aesthetics
local desktopPath = "MineOS/Desktop/"
local dockPath = "MineOS/System/OS/Dock/"
local applicationsPath = "MineOS/Applications/"
local picturesPath = "MineOS/Pictures/"

fs.remove(desktopPath)
fs.remove(dockPath)

fs.makeDirectory(desktopPath .. "My files")
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fs.makeDirectory(picturesPath)
fs.makeDirectory(dockPath)

--------------------------Stages of loading-----------------------------------

do

  local barWidth = math.floor(windowWidth * 2 / 3)
  local xBar = math.floor(xSize/2-barWidth/2)
  local yBar = yWindowEnd - 3
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  local function drawInfo(x, y, info)
    ecs.square(x, y, barWidth, 1, ecs.windowColors.background)
    ecs.colorText(x, y, ecs.colors.gray, info)
  end

  ecs.blankWindow(xWindow,yWindow,windowWidth,windowHeight)

  image.draw(math.floor(xSize/2 - 33), yWindow + 2, imageDownloading)

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  ecs.colorTextWithBack(xBar, yBar - 1, ecs.colors.gray, ecs.windowColors.background, lang.osInstallation)
  ecs.progressBar(xBar, yBar, barWidth, 1, 0xcccccc, ecs.colors.blue, 0)
  os.sleep(timing)

  for app = 1, #applications do
    --ВСЕ ДЛЯ ГРАФОНА
    drawInfo(xBar, yBar + 1, lang.downloading .. " " .. applications[app]["name"])
    local percent = app / #applications * 100
    ecs.progressBar(xBar, yBar, barWidth, 1, 0xcccccc, ecs.colors.blue, percent)

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    ecs.getOSApplication(applications[app], downloadWallpapers)
  end

  os.sleep(timing)
end

--Создаем базовые обои рабочего стола
ecs.createShortCut(desktopPath .. "Pictures.lnk", picturesPath)
if downloadWallpapers then ecs.createShortCut("MineOS/System/OS/Wallpaper.lnk", picturesPath .. "Girl.pic") end

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--Startup
local file = io.open("autorun.lua", "w")
file:write("local success, reason = pcall(loadfile(\"OS.lua\")); if not success then print(\"Ошибка: \" .. tostring(reason)) end")
file:close()

--------------------------Reset Computer-----------------------------------

ecs.blankWindow(xWindow,yWindow,windowWidth,windowHeight)

image.draw(math.floor(xSize/2 - 16), math.floor(ySize/2 - 11), imageOK)
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--Draw Centered Background
gpu.setBackground(ecs.windowColors.background)
gpu.setForeground(ecs.colors.gray)
ecs.centerText("x",yWindowEnd - 5, lang.needToRestart)

--Button
drawButton(lang.restart, false)
waitForClickOnButton(lang.restart)
ecs.prepareToExit()
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computer.shutdown(true)
how to install openos open opencomputers