Fix #6158. Entity save command does not properly check for revision s…

…upport (#6168)

* Fix #6158.
Entity save command does not properly check for revision support

* phpstan

src/Commands/core/EntityCommands.php

@@ -15,7 +15,6 @@
 use Drupal\Core\Entity\EntityStorageException;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Entity\Query\QueryInterface;
-use Drupal\Core\Entity\RevisionableInterface;
 use Drupal\Core\Entity\RevisionLogInterface;
 use Drupal\Core\Session\AccountInterface;
 use Drush\Attributes as CLI;
@@ -181,8 +180,9 @@ public function doSave(string $entity_type, array $ids, ?string $action, ?string
         $message = [];
         $storage = $this->entityTypeManager->getStorage($entity_type);
         $entities = $storage->loadMultiple($ids);
+        $is_revisionable = $this->entityTypeManager->getDefinition($entity_type)->isRevisionable();
         foreach ($entities as $entity) {
-            if (is_a($entity, RevisionableInterface::class)) {
+            if ($is_revisionable) {
                 /** @var \Drupal\Core\Entity\ContentEntityStorageInterface $storage */
                 $storage = \Drupal::entityTypeManager()->getStorage($entity->getEntityTypeId());
                 $entity = $storage->createRevision($entity, true);
@@ -211,7 +211,9 @@ public function doSave(string $entity_type, array $ids, ?string $action, ?string
                     $message = 'Unpublished.';
                 }
             }
-            if (is_a($entity, RevisionLogInterface::class)) {
+            if ($is_revisionable) {
+                // This line satisfies the bully that is phpstan.
+                assert($entity instanceof RevisionLogInterface);
                 $entity->setRevisionLogMessage('Re-saved by Drush entity:save. ' . $message);
                 $entity->setRevisionCreationTime($this->time->getRequestTime());
                 $entity->setRevisionUserId($this->currentUser->id());