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

From: Dmitry Gutov <[email-masked]>
Date: Wed, 8 Nov 2023 15:26:11 +0200

On 08/11/2023 14:22, Eli Zaretskii wrote:
>> From: Spencer Baugh<[email-masked]>
>> 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.