[LUA] TomOS installer

local driveSide
for _, side in ipairs(rs.getSides()) do
  if peripheral.isPresent(side) and peripheral.getType(side) == "drive" then
    driveSide = side
    break
  end
end


apichek = fs.exists("/disk/tom")

if apichek == false then
  shell.run("pastebin", "get", "nRVEA7zM","/disk/tom")
  shell.run("pastebin", "get", "igXUE29e","/disk/button")
  shell.run("label", "set", driveside, "TomOS Installer")
  shell.run("/disk/installer")

elseif apichek == true then
  os.loadAPI("/disk/tom")
  os.loadAPI("/disk/button")
  tom.gui()
  tom.header("Do you wish to install TomOS?")
  buty = 6
  button.makeButton(buty, "YES")
  buty = buty + 2
  button.makeButton(buty, "NO")
  local opt = button.selectButton(6,2)

  if opt == 1 then
    tom.gui()
    tom.header("Enter unique label for computer")
    tom.newl("")
    local lab = read()
    shell.run("label", "set", lab)
    tom.gui()
    tom.header("Please create first user:")
    tom.newl("")
    local name = read()
    tom.gui()
    tom.header("Please enter your password:")
    tom.newl("")
    local passwd = read()
    tom.gui()
    tom.header("Generating new user file")
    fs.makeDir("/os/.users")
    fpath = ("/os/.users/" .. name)
    local fuse = fs.open(fpath,"w")
    fuse.write(passwd)
    sleep(1)
    tom.gui()
    tom.header("User file created, installing TomOS")
    fs.makeDir("/os/api")
    fs.copy("/disk/tom", "/os/api/tom")
    fs.copy("/disk/button", "/os/api/button")
    shell.run("pastebin", "get", "6AHrNpfW", "clc")
    shell.run("pastebin", "get", "LjMsFYju", "/os/term")
    shell.run("pastebin", "get", "QjkpmgZD", "/os/.menu")
    shell.run("pastebin", "get", "gJWsdXJq", "startup")
	shell.run("pastebin", "get", "4BwVAH9J", "/os/progms")
	shell.run("pastebin", "get", "nFCN3FjE", "/os/shut")
	shell.run("pastebin", "get", "SfHY9j9i", "back")
    fs.makeDir("prog")
    sleep(2)
    tom.gui()
    tom.header("TomOS installed. Rebooting")
    sleep(3)
	disk.eject(driveside)
    os.reboot()
  elseif opt == 2 then
    tom.centre("Ok, rebooting")
    sleep(1)
    os.reboot()
  end
end