fix(dbcreate): don't ask confirmation to create schema in automatic

related: #296

cubicweb/server/serverctl.py

@@ -425,8 +425,11 @@ class CreateInstanceDBCommand(Command):
         cursor = cnx.cursor()
         helper.init_fti_extensions(cursor)
         namespace = source.get('db-namespace')
-        if namespace and ASK.confirm('Create schema %s in database %s ?'
-                                     % (namespace, dbname)):
+        if namespace and (
+            automatic or ASK.confirm(
+                'Create schema %s in database %s ?' % (namespace, dbname)
+            )
+        ):
             helper.create_schema(cursor, namespace)
         cnx.commit()
         # postgres specific stuff