bug#54838: 28.1; Buffers are not updated when a directory is renamed in dired

[Eli Zaretskii]

> From: Tassilo Horn <tsdh@gnu.org>
> Cc: Nicolas Martyanoff <khaelin@gmail.com>, 54838@debbugs.gnu.org
> Date: Sun, 10 Apr 2022 19:19:26 +0200
> 
> > Tassilo, part of this bug is yet another fallout from replacing
> > dired-in-this-tree-p with file-in-directory-p: the latter returns nil
> > if its second arg doesn't exist, and in this scenario we are dealing
> > with a directory that was already renamed to the new name.  Do you
> > agree with my proposed solution for that below?
> 
> I would just revert back to using dired-in-this-tree-p and never
> file-in-directory-p in those places.  I've done that for many places in
> 61677ac3e4685d8f81c3b90eb751d9b5e8a3732d, too, because it turned out
> that the change from dired-in-this-tree-p to file-in-directory-p caused
> performance problems.

Thanks, will do when installing the changes.