Subject: Re: bug#58784: 28.2; project-buffers incorrect under let-bound default-directory

From: Dmitry Gutov <[email-masked]>
Date: Wed, 23 Nov 2022 05:48:07 +0200

On 21/11/22 20:24, Juri Linkov wrote:
>> So I just pushed that fix to master.
> Unfortunately, this change broke 'C-x p p g':
> 
>    @@ -1667,9 +1667,10 @@ project-switch-project
>    -    (let ((default-directory dir)
>    -          (project-current-inhibit-prompt t))
>    -      (call-interactively command))))
>    +    (with-temp-buffer
>    +      (let ((default-directory dir)
>    +            (project-current-inhibit-prompt t))
>    +        (call-interactively command)))))
> 
> Because 'C-x p p' switches to a temporary buffer, then
> 'g' calls 'project-find-regexp' and 'project--read-regexp'.
> But (thing-at-point 'symbol t) can't get a symbol at point
> in the empty temporary buffer.

Damn it. :-)

Thanks for noticing. I'll need a little time to think about the options, 
but we'll probably go with the previous proposed fix.