On Fri, 05 Jun 2015 19:28 +0200, David Bremner wrote: > + ``--db-revision=UUID`` > + Enforce that the database revision is UUID. This is useful to > + detect rollover in modification counts on messages. You can > + find this UUID in the first column of output from > + ``notmuch count --output=modifications`` I'm not sure if the wording here is entirely clear. When reading this the first time, to me it sounded like it might give you a view of the database from when the revision was UUID. Maybe we can clarify here that this will result in notmuch exiting if the revision is not matched. Best regards, Daniel