Subject: Re: bug#59935: 29.0.60; project-list-buffers is slow

From: Dmitry Gutov <[email-masked]>
Date: Sat, 10 Dec 2022 13:37:37 +0200

On 10/12/2022 13:12, Eli Zaretskii wrote:
>> Date: Sat, 10 Dec 2022 12:47:38 +0200
>> Cc:[email-masked],[email-masked]
>> From: Dmitry Gutov<[email-masked]>
>>
>>> If so, I don't understand why a
>>> trivial change to project-list-buffers could not call project-buffers
>>> just once, and then reuse the value in the call to
>>> list-buffers-noselect both as the BUFFER-LIST argument and (if needed)
>>> in the FILTER-PREDICATE argument, using memq.
>> If we just do that, pressing 'g' will only show the buffers that
>> belonged to the project when project-list-buffers was called. And not
>> necessarily the*current*  list of project buffers.
>>
>> The previously attached patches solved that problem.
> I don't understand: how is 'g' relevant?  You were talking about
> 'C-x p C-b' in your original message.

'C-x p C-b' creates a buffer which lists buffers. It also sets up 
revert-buffer-function in that buffer.

And pressing 'g' in that new buffer should supposedly refresh that list 
of buffers appropriately.