[Dovecot] Shared folder prefix listed multiple times with dovecot 2.1.1

[Timo Sirainen]

On Thu, 2012-03-08 at 21:36 +0200, Timo Sirainen wrote:
> On 8.3.2012, at 21.18, Markus Petri wrote:
> 
> > after upgrading from 2.0.18 to 2.1.1 I noticed that I could not use
> > shared folders with mutt anymore. 2.1 lists the shared namespace prefix
> > once per user sharing an folder in LIST "" "%".
> > 
> > I also noticed, that with 2.1 the user folder (Shared/<username>) is no
> > longer tagged as \NoSelect.
> > 
> > Is this the intended behaviour and mutt simply cannot cope with it or
> > is it a dovecot problem?
> 
> Both. Dovecot shouldn't send duplicates, but mutt shouldn't break even
> if it did. 

This is a bit difficult to fix. I'll probably leave it until v2.2.

> Also Dovecot probably should add \Noselect, especially if the mailbox
> isn't really selectable (there's some weirdness between shared/user
> being equal to shared/user/INBOX, but I'm not sure what to do about
> it).

These should fix this:

http://hg.dovecot.org/dovecot-2.1/rev/65a75939ac2c
http://hg.dovecot.org/dovecot-2.1/rev/55586f4a86f1