bug#66993: [PATCH] project.el: avoid asking user about project-list-file lock

[Dmitry Gutov]

On 08/11/2023 14:22, Eli Zaretskii wrote:
> > From: Spencer Baugh<sbaugh@janestreet.com>
> > Date: Tue, 07 Nov 2023 16:28:04 -0500
> >
> > There are several features which will cause Emacs to frequently call
> > project-current, and therefore call project-remember-project, and
> > therefore sometimes call project--write-project-list whenever a new
> > project is seen.
> Why does project-current immediately writes the list to the file?  Why
> cannot it keep the information in memory and write it only when the
> session ends, or at some random rare opportunity?

It could indeed be written from kill-emacs-hook, or just the next time 
an opportunity presents.

With the latter approach, though, it would be handier if the 
lock-prompter signaled a specific error we could catch to reschedule saving.