[repo] fix bug introduced by 4757:ec9c20c6b9f7, testing for select.selection is not enough to avoid the substep query, we should check there is no interesting restriction (test added)

from os.path import join
from cubicweb.toolsutils import create_dir

option_renamed('pyro-application-id', 'pyro-instance-id')

create_dir(join(config.appdatahome, 'backup'))