Installer

local filesystem = require("filesystem");
local component = require("component");
local computer = require("computer");
local internet = require("internet")

local args = {...};

--Yeah...I admit...I took this directly from the opencomputers pastebin program.
function install(pasteId, filename)
    local f, reason = io.open(filename, "w")
    if not f then
      print("Failed opening file for writing: " .. reason)
      return
    end

    local url = "https://pastebin.com/raw/" .. pasteId
    local result, response = pcall(internet.request, url)
    if result then
      for chunk in response do
        -- string.gsub(chunk, "\r\n", "\n")
        f:write(chunk)
      end
      f:close()
    else
      f:close()
      fs.remove(filename)
      print("HTTP request failed: " .. response)
    end
end

if not component.isAvailable("internet") then
  print("Error! No internet card found. This program needs an internet card to update/install the program.");
  os.exit();
end

if args[1] == "-d" then
  install("iFrWyDs9", "/usr/CM_Automator/installer.lua");
  os.execute("/usr/CM_Automator/installer.lua");
  os.exit();
end

--Check if internet component exists. If not then abort as update cannot proceed.

--Install Script
print("Starting install script.");
--First thing it does is check if the directory exists, if not then it creates it. If that fails for whatever reason
--Then it aborts.
if not filesystem.isDirectory("/usr/CM_Automator") then
    print("Directory could not be located. Creating.");
    local success = filesystem.makeDirectory("/usr/CM_Automator");
    if success then
        print("Directory created successfully!");
    else
        print("Error! Could not create directory. Aborting.");
        os.exit();
    end
    success = nil;
else
    print("Directory already exists. Presumed to be update or repair.");
end




print("Installing Main Script...");
install("5tKHxEdJ", "/usr/CM_Automator/main.lua");
-- os.execute("pastebin get -f 5tKHxEdJ /usr/CM_Automator/main.lua");
print("Installing Console Library...");
install("epQvyACM", "/usr/CM_Automator/console.lua");
-- os.execute("pastebin get -f Xwy0069d /usr/CM_Automator/console.lua");
print("Installing Starter Wrapper...");
install("1Yp5ys95", "/bin/cmauto.lua");
-- os.execute("pastebin get -f 1Yp5ys95 /bin/cmauto.lua");
print("Installing Networking Library...");
install("aDDLpZ7q", "/usr/CM_Automator/network.lua");
print("Installing startup script");
install("YqChNPaJ", "/autorun.lua");
install("iFrWyDs9", "/usr/CM_Automator/installer.lua");
-- os.execute("pastebin get -f aDDLpZ7q /usr/CM_Automator/network.lua");
print("Finished Setup. Restarting in 1 second");
os.sleep(1);
computer.shutdown(true);