cubicweb-preview #1773012 crash when preview-dir is a relative dir and repository only configuration [resolved]

it then try to access config.static_dir which is an unknown attribute in repository only configuration.

notice that in repo only configuration, the task that cleanup that dir should not be started.

done in<not specified>
load left0.000
closed by#b36dacb2596a [hooks] do not start cleanup task on non-all-in-one configs (closes #1773012)