bug#49264: 28.0.50; project.el+tramp performance issue

[Ergus]

On Sat, Aug 21, 2021 at 05:23:09AM +0300, Dmitry Gutov wrote:
> On 19.08.2021 06:08, Ergus via Bug reports for GNU Emacs, the Swiss 
> army knife of text editors wrote:
> > It feels better now. There is still a small delay, but that is normal
> > working with tramp. I will try it a bit more tomorrow; but the first
> > impression is that this solves the issue for me.
>
> It does spend time in reading files up the directory (in 
> project--vc-merge-submodules-p), though I hope those are cached by 
> Tramp.
>
> And then, if project-vc-merge-submodules is set, also reads the 
> contents of .gitmodules. But it's probably not the case.
>
> I'll push the patch now since it seems like a solid improvement either 
> way. Let me know if there's anything to be done here, or we can close 
> the bug.

IMO we can close the issue. If there are still some problems then I will
reopen it or create a new one.

Very thanks.
Ergus