bug#67171: 30.0.50; (At least) some VC commands fail with project-prefix-or-any-command

[Sean Whitton]

Hello,

On Mon 20 Nov 2023 at 04:17am +02, Dmitry Gutov wrote:

> Hi!
>
> On 14/11/2023 15:13, Sean Whitton wrote:
>> X-debbugs-cc: dmitry@gutov.dev, juri@linkov.net, sbaugh@catern.com
>> Hello,
>> 1. cd /home/spwhitton/src/some-project && emacs -q
>> 2. (setopt project-switch-commands #'project-prefix-or-any-command)
>> 3. (project-remember-project (project-current nil 
>> "/home/spwhitton/src/emacs/trunk/))
>> 4. C-x p p /home/spwhitton/src/emacs/trunk RET C-x v L
>> VC prints the log of /home/spwhitton/some-project, not that of
>> /home/spwhitton/src/emacs/trunk.
>
> I'm having difficulty reproducing this.

Hmm.  I can't reproduce it with 'emacs -q', but I can still reproduce
with my init.el.  I'm not sure whether something changed or whether I
was wrong before.

> On step 4, I'm asked for the project root (because *scratch* doesn't
> have a current VC backend), but the input defaults to the directory
> chosen in steps 3 and 4. And if I open a file-visiting buffer first,
> then the prompt is skipped, [...]

If I select *Messages*, which has a default-directory of "~/", then
'C-x p p RET ~/src/emacs/trunk RET C-x v L' prompts me for a directory,
but the default value is "~/".  Before I start bisecting my init, does
anything else occur to you?

As an aside, it doesn't seem good that whether or not step four prompts
you for a directory depends on whether the current buffer happens to be
visiting a file or not.  Can we improve that, or is it inherent to the
design of the new feature?

Thanks.

-- 
Sean Whitton