Issue #3306283: Display readiness check results if any after installing Automatic Updates

src/Validation/AdminStatusCheckMessages.php

@@ -14,6 +14,7 @@ use Drupal\Core\Session\AccountProxyInterface;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\Core\StringTranslation\TranslationInterface;
 use Drupal\Core\Url;
+use Drupal\package_manager\ValidationResult;
 use Drupal\system\SystemManager;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
@@ -189,4 +190,22 @@ final class AdminStatusCheckMessages implements ContainerInjectionInterface {
     return TRUE;
   }
 
+  /**
+   * Displays the result summary.
+   */
+  public function displayResultSummary() {
+    if ($this->currentUser->hasPermission('administer site configuration')) {
+      $results = $this->statusChecker->getResults();
+      $overall_severity = ValidationResult::getOverallSeverity($results);
+      if (!empty($this->statusChecker->getResults())) {
+        $message = $this->getFailureMessageForSeverity($overall_severity);
+        $checker_url = Url::fromRoute('system.status');
+        $this->messenger()->addError($this->t($message . ' ' . '<a href=":url">See status reports for more details.</a>', [
+          ':url' => $checker_url->toString(),
+        ]));
+      }
+    }
+
+  }
+
 }