update_script_test.module

<?php


/**
 * @file
 * This file provides testing functionality for update.php.
 */
use Drupal\Core\Extension\Extension;

/**
 * Implements hook_cache_flush().
 *
 * This sets a message to confirm that all caches are cleared whenever
 * update.php completes.
 *
 * @see UpdateScriptFunctionalTest::testRequirements()
 */
function update_script_test_cache_flush() {
    \Drupal::messenger()->addStatus(t('hook_cache_flush() invoked for update_script_test.module.'));
}

/**
 * Implements hook_system_info_alter().
 */
function update_script_test_system_info_alter(array &$info, Extension $file, $type) {
    $new_info = \Drupal::state()->get('update_script_test.system_info_alter');
    if ($new_info) {
        if ($file->getName() == 'update_script_test') {
            $info = $new_info + $info;
        }
    }
}