bug#55396: 29.0.50; project-find-file don't work on a project with many submodules

[Eason Huang <aqua0210@foxmail.com>]

Dmitry Gutov <dgutov@yandex.ru> writes:

> On 13.06.2022 18:00, Eason Huang wrote:
>>> Looking at the backtrace, it mentions "/Users/eason/.emacs.d/." over
>>> and over again. So it seems like (project--git-submodules) returns a
>>> list which has "." as one of its elements.
>>>
>>> How does that happen? Do you have a submodule entry which points to "."?
>>>
>> I found that it's this line `load-path = .` cause the issue. Borg need
>> this line to add the vertico directory to load-path when user add a
>> subDirectory to load-path. May be it is an issue of Borg?
>
> Now that I've tried adding that locally, it indeed what triggered the
> problem. It was a bug in 'project--git-submodules', which I've just
> fixed on master in commit 915b34d280.
>
> I think file listing together with submodules should work fine now in
> your case. Not sure about the performance though: we use one process
> call per submodule, so the overhead might get noticeable with 42 of
> them. But please give it a try.
>

Great, I tried on my huge .emacs.d project, it works well and fast.

Tested on macOS with latest commit.

You can close this bug now. Thanks for your great work on it.

-- 
Eason Huang