automatic_updates.module

<?php

/**
 * @file
 * Contains automatic_updates.module..
 */

/**
 * Implements hook_page_top().
 */
function automatic_updates_page_top(array &$page_top) {
  /** @var \Drupal\Core\Routing\AdminContext $admin_context */
  $admin_context = \Drupal::service('router.admin_context');
  $route_match = \Drupal::routeMatch();
  if ($admin_context->isAdminRoute($route_match->getRouteObject()) && \Drupal::currentUser()->hasPermission('administer site configuration')) {
    $disabled_routes = [
      'update.theme_update',
      'system.theme_install',
      'update.module_update',
      'update.module_install',
      'update.status',
      'update.report_update',
      'update.report_install',
      'update.settings',
      'system.status',
      'update.confirmation_page',
    ];
    // These routes don't need additional nagging.
    if (in_array(\Drupal::routeMatch()->getRouteName(), $disabled_routes, TRUE)) {
      return;
    }
    /** @var \Drupal\automatic_updates\Services\AutomaticUpdatesPsaInterface $psa */
    $psa = \Drupal::service('automatic_updates.psa');
    foreach ($psa->getPublicServiceMessages() as $psa) {
      \Drupal::messenger()->addError($psa);
    }
  }
}