Issue #3441222 by kristiaanvandeneynde, nicxvan, catch, alexpott, smustgrave,...

  Drupal\Core\Theme\ThemeInitializationInterface: '@theme.initialization'

  theme.registry:

    class: Drupal\Core\Theme\Registry

    arguments: ['%app.root%', '@cache.default', '@lock', '@module_handler', '@theme_handler', '@theme.initialization', '@cache.bootstrap', '@extension.list.module']

    arguments: ['%app.root%', '@cache.default', '@lock', '@module_handler', '@theme_handler', '@theme.initialization', '@cache.bootstrap', '@extension.list.module', '@kernel']

    tags:

      - { name: needs_destruction }

    calls:

use Drupal\Core\Extension\ModuleHandlerInterface;

use Drupal\Core\Extension\ThemeHandlerInterface;

use Drupal\Core\Lock\LockBackendInterface;

use Drupal\Core\Update\UpdateKernel;

use Drupal\Core\Utility\ThemeRegistry;

use Symfony\Component\HttpKernel\HttpKernelInterface;

/**

 * Defines the theme registry service.

   *   The cache backend interface to use for the runtime theme registry data.

   * @param \Drupal\Core\Extension\ModuleExtensionList $module_list

   *   The module list.

   * @param \Symfony\Component\HttpKernel\HttpKernelInterface|null $kernel

   *   The kernel.

   * @param string $theme_name

   *   (optional) The name of the theme for which to construct the registry.

   */

  public function __construct($root, CacheBackendInterface $cache, LockBackendInterface $lock, ModuleHandlerInterface $module_handler, ThemeHandlerInterface $theme_handler, ThemeInitializationInterface $theme_initialization, CacheBackendInterface $runtime_cache, ModuleExtensionList $module_list, $theme_name = NULL) {

  public function __construct($root, CacheBackendInterface $cache, LockBackendInterface $lock, ModuleHandlerInterface $module_handler, ThemeHandlerInterface $theme_handler, ThemeInitializationInterface $theme_initialization, CacheBackendInterface $runtime_cache, ModuleExtensionList $module_list, protected ?HttpKernelInterface $kernel = NULL, $theme_name = NULL) {

    $this->root = $root;

    $this->cache = $cache;

    $this->lock = $lock;

    $this->runtimeCache = $runtime_cache;

    $this->moduleList = $module_list;

    $this->themeName = $theme_name;

    if (!isset($kernel) || is_string($kernel)) {

      @trigger_error('Calling ' . __METHOD__ . '() without the $kernel argument is deprecated in drupal:10.3.0 and will be required in drupal:11.0.0. See https://www.drupal.org/node/3445054', E_USER_DEPRECATED);

      $this->themeName = $kernel;

      $this->kernel = \Drupal::service('kernel');

    }

  }

  /**

        return $cached;

      }

    }

    // Some theme hook implementations such as the one in Views request a lot of

    // information such as field schemas. These might be broken until an update

    // is run, so we need to build a limited registry while on update.php.

    if ($this->kernel instanceof UpdateKernel) {

      $module_list = $this->moduleHandler->getModuleList();

      $filter_list = array_intersect_key($module_list, ['system' => TRUE]);

      // Call ::build() with only the system module and then revert.

      $this->moduleHandler->setModuleList($filter_list);

      $this->build();

      $this->moduleHandler->setModuleList($module_list);

      // We might have poisoned the cache with only info from 'system'.

      $this->cache->delete("theme_registry:build:modules");

    }

    else {

      $this->build();

      // Only persist it if all modules are loaded to ensure it is complete.

      if ($this->moduleHandler->isLoaded()) {

        $this->setCache();

      }

    }

    return $this->registry[$this->theme->getName()];

  }

use Drupal\Core\Config\ConfigFactoryInterface;

use Drupal\Core\Extension\ThemeHandlerInterface;

use Drupal\Core\Routing\RouteMatchInterface;

use Drupal\Core\Site\Settings;

use Drupal\Core\Theme\ThemeNegotiatorInterface;

/**

   * {@inheritdoc}

   */

  public function determineActiveTheme(RouteMatchInterface $route_match) {

    return Settings::get('maintenance_theme') ?: 'claro';

    // The update page always uses Claro to ensure stability.

    return 'claro';

  }

}

name: 'Update test with broken theme hook'

type: module

description: 'Support module for update testing.'

package: Testing

version: VERSION

<?php

/**

 * @file

 * Hook implementations for the update_test_broken_theme_hook module.

 */

/**

 * Implements hook_theme().

 */

function update_test_broken_theme_hook_theme($existing, $type, $theme, $path) {

  throw new \Exception('This mimics an exception caused by unstable dependencies.');

}