RavenOS Installer

repoUrl = "https://raw.githubusercontent.com/SuperRavenSn1per/RavenOS/master/"

directories = {"rSystem", "rSystem/rStartup", "rSystem/rAPIs", "rSystem/rImages", "rSystem/rPrograms"}
files = {"startup", "rSystem/rAPIs/rtext", "rSystem/login", "rSystem/createAccount", "rSystem/rImages/background1", "rSystem/rAPIs/background", "rSystem/desktop", "rSystem/rPrograms/settings"}

w, h = term.getSize()

function install(filename)
  content = http.get(repoUrl..filename).readAll()
  file = fs.open(filename, "w")
  file.write(content)
  file.close()
end

function startInstall()
  term.clear()
  term.setCursorPos(1,1)
  for i,dir in pairs (directories) do
    fs.makeDir(dir)
  end
  for i,file in pairs(files) do
    term.clear()
    term.setCursorPos(w / 2 - string.len("RavenOS Installer") / 2 , 2)
    print("RavenOS Installer")
    term.setCursorPos(w / 2 - string.len("Installing..."..file) / 2 , h / 2 + 2)
    percent = math.floor(i/#files * 100)
    numberOfBars = math.floor(20 * percent / 100)
    print("Installing..."..file)
    print("")
    term.setCursorPos(w / 2 - string.len("                    ") / 2 , h / 2)
    term.setBackgroundColor(colors.green)
    write("                    ")
    term.setBackgroundColor(colors.black)
    write(" "..percent.."%")
    term.setCursorPos(w / 2 - string.len("                    ") / 2 , h / 2)
    term.setBackgroundColor(colors.lime)
    for i = 1,numberOfBars do
      write(" ")
    end
    term.setBackgroundColor(colors.black)
    install(file)
  end
  settings.set("syscolor", colors.green)
  settings.set("highlightcolor", colors.lime)
  settings.set("version", "0.1")
  settings.set("useLogin", false)
  settings.save("rSystem/settings")
  fts = fs.open("firstTimeStart", "w")
  fts.write("--Just a file to tell system that this is a new computer with RavenOS")
  fts.close()
  term.clear()
  term.setCursorPos(1,1)
  print("Installation complete... press any key to reboot")
  os.pullEvent()
  os.reboot()
end

term.clear()
term.setCursorPos(1,1)
print("---------------------")
print("| RavenOS Installer |")
print("---------------------")
term.setCursorPos(1,5)
print("Are you sure you want to install RavenOS? (Y/n)")
term.setTextColor(colors.red)
print("Warning: Files will be deleted")
term.setTextColor(colors.white)
term.setCursorPos(1,8)
while true do
  write("> ")
  input = read()
  input = string.lower(input)
  if input == "yes" or input == "ye" or input == "y" then
    startInstall()
  elseif input == "no" or input == "n" then
    print("Installation cancelled")
    break
  end
end