--- /dev/null
+<?php
+
+/**
+ * @file
+ * Post update functions for System.
+ */
+
+use Drupal\Core\Entity\Display\EntityDisplayInterface;
+use Drupal\Core\Entity\Entity\EntityFormDisplay;
+use Drupal\Core\Entity\Entity\EntityViewDisplay;
+
+/**
+ * Re-save all configuration entities to recalculate dependencies.
+ */
+function system_post_update_recalculate_configuration_entity_dependencies(&$sandbox = NULL) {
+ if (!isset($sandbox['config_names'])) {
+ $sandbox['config_names'] = \Drupal::configFactory()->listAll();
+ $sandbox['count'] = count($sandbox['config_names']);
+ }
+ /** @var \Drupal\Core\Config\ConfigManagerInterface $config_manager */
+ $config_manager = \Drupal::service('config.manager');
+
+ $count = 0;
+ foreach ($sandbox['config_names'] as $key => $config_name) {
+ if ($entity = $config_manager->loadConfigEntityByName($config_name)) {
+ $entity->save();
+ }
+ unset($sandbox['config_names'][$key]);
+ $count++;
+ // Do 50 at a time.
+ if ($count == 50) {
+ break;
+ }
+ }
+
+ $sandbox['#finished'] = empty($sandbox['config_names']) ? 1 : ($sandbox['count'] - count($sandbox['config_names'])) / $sandbox['count'];
+ return t('Configuration dependencies recalculated');
+}
+
+/**
+ * Update entity displays to contain the region for each field.
+ */
+function system_post_update_add_region_to_entity_displays() {
+ $entity_save = function (EntityDisplayInterface $entity) {
+ // preSave() will fill in the correct region based on the 'type'.
+ $entity->save();
+ };
+ array_map($entity_save, EntityViewDisplay::loadMultiple());
+ array_map($entity_save, EntityFormDisplay::loadMultiple());
+}
+
+
+/**
+ * Force caches using hashes to be cleared (Twig, render cache, etc.).
+ */
+function system_post_update_hashes_clear_cache() {
+ // Empty post-update hook.
+}
+
+/**
+ * Force plugin definitions to be cleared.
+ *
+ * @see https://www.drupal.org/node/2802663
+ */
+function system_post_update_timestamp_plugins() {
+ // Empty post-update hook.
+}