[imp] problem renaming MIX format folders (UW-IMAP)

[Chuck Hagenbuch]

Quoting Peter Ip <ip at ariel.utcc.utoronto.ca>:

> I'm using IMP 4.1.4, Horde 3.1.4 with UW-IMAP. There's a problem with
> renaming the new MIX format folders, especially the sent-mail folder done
> automatically by the maintenance.
>
> Instead of being files the way unix format or MBX format folders are
> in UW-IMAP, MIX format folders are actually UNIX directories with .mix*
> files inside. MIX format folders can contain other folders (unlike UNIX or
> MBX folders), so that may explain what IMP is trying to do.
>
> IMP runs:
>
> Rename sent/ sent-sep-2007/
> Rename sent sent-sep-2007
>
> the first rename succeeds and the second fails.
>
> I can't figure out why the first rename happens at all. It seems to be
> coming from code trying to rename subfolders inside the sent folder. But
> there aren't any in this case.
>
> This is especially troublesome with the automatic maintenance rolling the
> sent-mail folders because it leaves the user with no sent-mail folder.

Does the folder list show expand/collapse buttons as though IMP thinks  
the folders have subfolders? Please file a bug at bugs.horde.org if  
there isn't a quick fix so this doesn't get lost.

-chuck