[Dirvish] Expire removes most recent backup?

[Eric Mountain]

On Sunday 06 Jan 2008, Steve Ramage spake thus:
> If
> the philosophy is to make power users out of every user, then dirvish
> should also respect expiry rules on the last image and kill it even
> though that will toast the last of the data.

Dirvish has to retain at least one image, o/w a --init run is required.  And 
in such a case, it retains the most recent image.

-- 
Eric Mountain