local _VERSION = '1.3.0';

local INSTALL_URL = 'https://raw.githubusercontent.com/guillaumearm/cc-libs/master/install.lua';
local BETA_INSTALL_URL = 'https://raw.githubusercontent.com/guillaumearm/cc-libs/next/install.lua';

local command = ...;

local function printUsage()
  print('upgrade usage:');
  print();
  print('\t\t\tupgrade');
  print('\t\t\tupgrade --beta');
  print('\t\t\tupgrade version');
  print('\t\t\tupgrade help');
end

if command == 'version' or command == '-version' or command == '--version' then
  print('upgrade v' .. _VERSION);
  return;
end

if command == 'help' or command == '-help' or command == '--help' then
  printUsage();
  return;
end

if command == '--beta' or command == '-beta' then
  shell.execute('wget', 'run', BETA_INSTALL_URL, '--beta');
  return;
end

if command ~= nil and command ~= '' then
  printUsage();
  return;
end

shell.execute('wget', 'run', INSTALL_URL);