Avoid pattern match failure in getValidLinkable.maybe_old_linkable.
Just l | not (isObjectLinkable l) || stillThere l
-> old_linkable
-- ToDo: emit a warning if not (stillThere l)
Just l | not (isObjectLinkable l) || stillThere l
-> old_linkable
-- ToDo: emit a warning if not (stillThere l)
- | otherwise
- -> Nothing
-- make sure that if we had an old disk linkable around, that it's
-- still there on the disk (in case we need to re-link it).
-- make sure that if we had an old disk linkable around, that it's
-- still there on the disk (in case we need to re-link it).