[Dovecot] expire-tool stops on first box with nothing to expire in it

[Timo Sirainen]

On 19.7.2012, at 4.24, Joseph Tam wrote:

> I previously observed that the "date.saved" field (tested by savedbefore)
> seems to be clustered around particular timestamps.
> 
> Dumping out this field using
> 
> 	doveadm -ftab fetch -A \
> 		"mailbox date.saved" \
> 		\( mailbox Trash OR mailbox Junk OR mailbox "Deleted Items" \)
> 
> it seems the timestamps do not actually correspond to when the client
> moves messages to their trash folder, but rather, to the time I query
> for it i.e. a query instantiates this value.   This timestamp is then
> retained.
> 
> In practice, if this query is done on a periodic interval (e.g. daily),
> the date.saved will be roughly correct, and is usable as an age test
> for expungement.
> 
> Is there a way to force this value to be cached when the client actually
> saves or moves a message?

Done for save: http://hg.dovecot.org/dovecot-2.1/rev/c598f76eeeed

Fixed copy: http://hg.dovecot.org/dovecot-2.1/rev/b13b8267999d

It still doesn't add it to cache if it's not already cached in both the source and destination mailbox, but usually it should be after initial doveadm run.