ConfigExportCommand.php

<?php

declare (strict_types=1);
namespace Drupal\Core\Config\Command;

use Drupal\Core\Command\Exception\UserAbortException;
use Drupal\Core\Config\ConfigDirectoryNotDefinedException;
use Drupal\Core\Config\StorageComparer;
use Drupal\Core\Config\StorageCopyTrait;
use Drupal\Core\Config\StorageInterface;
use Drupal\Core\Config\SyncFactory;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Symfony\Component\Console\Attribute\AsCommand;
use Symfony\Component\Console\Attribute\Option;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Style\SymfonyStyle;
use Symfony\Component\DependencyInjection\Attribute\Autowire;

/**
 * Export configuration.
 *
 * @internal
 */
final class ConfigExportCommand extends Command {
  use StringTranslationTrait;
  use StorageCopyTrait;
  use ConfigCommandTrait;
  public function __construct(#[Autowire(service: 'config.storage.export')] private readonly StorageInterface $export, private readonly SyncFactory $syncFactory) {
    parent::__construct();
  }
  
  /**
   * Export the configuration.
   *
   * @param \Symfony\Component\Console\Style\SymfonyStyle $io
   *   The symfony style.
   * @param bool $yes
   *   The command option to skip the confirmation question.
   *
   * @return int
   *   The command result.
   */
  public function __invoke(SymfonyStyle $io, #[Option(description: 'Answer the confirmation question with yes.', shortcut: 'y')] bool $yes = FALSE) : int {
    // Resolve the sync storage here rather than in the constructor: the
    // factory throws when no sync directory is configured, and a throwing
    // constructor would break `dr list` for every command.
    try {
      $sync = $this->syncFactory
        ->get();
    } catch (ConfigDirectoryNotDefinedException $e) {
      $io->error($e->getMessage());
      return self::FAILURE;
    }
    $comparer = new StorageComparer($this->export, $sync);
    $comparer->createChangelist();
    if (!$comparer->hasChanges()) {
      $io->success((string) $this->t('The active configuration to export matches the configuration in the sync directory.'));
      return self::SUCCESS;
    }
    $this->renderTable($comparer, $io);
    if (!$yes && !$io->confirm((string) $this->t('Do you want to export the configuration?'))) {
      throw new UserAbortException('Cancelled');
    }
    self::replaceStorageContents($this->export, $sync);
    $io->success((string) $this->t('Configuration successfully exported'));
    return self::SUCCESS;
  }

}