bzr status: hiding shelf info if files are specified

[Eli Zaretskii]

> From: Francis Devereux <francis at devrx.org>
> Date: Thu, 17 Nov 2011 20:26:43 +0000
> Cc: bazaar at lists.canonical.com
> 
> On 17 Nov 2011, at 20:18, Robert Collins wrote:
> 
> > What about when the shelve has a patch for the file specified?
> 
> With my current code the shelf message won't be shown in this case.
> Maybe we could scan the shelves looking to see whether any of them have a patch for the file specified, and if so print a message like "x shelves affect the files that you specified" or a letter (S?) next to the filenames themselves meaning "affected by shelves".

Please don't make "bzr status" slower than absolutely necessary.  I
think there's no particular reason why it should tell about shelves
even when the file has changes in one of the shelves, and doing so
would make the command slower.