rector/bin/rector.php

<?php declare(strict_types=1);

use Rector\Console\Application;
use Rector\DependencyInjection\ContainerFactory;
use Symfony\Component\Console\Input\ArgvInput;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symplify\PackageBuilder\Configuration\ConfigFilePathHelper;
use Symplify\PackageBuilder\Configuration\LevelConfigShortcutFinder;
use Symplify\PackageBuilder\Console\Style\SymfonyStyleFactory;

// Performance boost
gc_disable();

// Require Composer autoload.php
require_once __DIR__ . '/rector_bootstrap.php';

try {
    // 1. Detect configuration from --level
    $configFile = (new LevelConfigShortcutFinder())->resolveLevel(new ArgvInput(), __DIR__ . '/../src/config/level');

    // 2. Or from --config
    if ($configFile === null) {
        ConfigFilePathHelper::detectFromInput('rector', new ArgvInput());
        $configFile = ConfigFilePathHelper::provide('rector', 'rector.yml');
    }

    // 2. Build DI container
    $containerFactory = new ContainerFactory();
    if ($configFile) {
        $container = $containerFactory->createWithConfig($configFile);
    } else {
        $container = $containerFactory->create();
    }

    // 3. Run Console Application
    /** @var Application $application */
    $application = $container->get(Application::class);
    /** @var InputInterface $input */
    $input = $container->get(InputInterface::class);
    /** @var OutputInterface $output */
    $output = $container->get(OutputInterface::class);
    $statusCode = $application->run($input, $output);
    exit($statusCode);
} catch (Throwable $throwable) {
    $symfonyStyle = SymfonyStyleFactory::create();
    $symfonyStyle->error(sprintf(
        '%s in %s on line %d',
        $throwable->getMessage(),
        $throwable->getFile(),
        $throwable->getLine()
    ));
    exit($throwable->getCode());
}