>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3569430. --> Reported by: [q0rban](https://www.drupal.org/user/31022) Related to !50 >>> <p>The base preview is failing the nightly Refresh due to running <code>mkdir</code> without the -p option. There may be other commands that should be idempotent.</p>