UpdateDataSubscriber.php

<?php

declare (strict_types=1);
namespace Drupal\package_manager\EventSubscriber;

use Drupal\package_manager\Event\PostApplyEvent;
use Drupal\update\UpdateManagerInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * Clears stale update data once staged changes have been applied.
 *
 * @internal
 *   This is an internal part of Package Manager and may be changed or removed
 *   at any time without warning. External code should not interact with this
 *   class.
 */
final class UpdateDataSubscriber implements EventSubscriberInterface {
    public function __construct(UpdateManagerInterface $updateManager) {
    }
    
    /**
     * Clears stale update data.
     *
     * This will always run after any stage directory changes are applied to the
     * active directory, since it's likely that core and/or multiple extensions
     * have been added, removed, or updated.
     */
    public function clearData() : void {
        $this->updateManager
            ->refreshUpdateData();
        update_storage_clear();
    }
    
    /**
     * {@inheritdoc}
     */
    public static function getSubscribedEvents() : array {
        return [
            PostApplyEvent::class => [
                'clearData',
                1000,
            ],
        ];
    }

}