refuse to downgrade

tasks/detect-update.yaml

@@ -19,7 +19,7 @@
   when: _nextcloud_version_file_stat.stat.isreg is defined
   register: _nextcloud_get_actual_version_command
 
-- name: ensure that upgrade is happening
+- name: refuse to downgrade
   assert:
     that: _nextcloud_actual_version is version(nextcloud_version, operator='<=', strict=True) or nextcloud_force_downgrade
     msg: refusing to downgrade from {{_nextcloud_actual_version}} to {{nextcloud_version}}