bug#57385: 28.1.91; project-find-regexp fails over tramp

[Dmitry Gutov]

On 25.08.2022 09:57, André A. Gomes wrote:
> Dmitry Gutov<dgutov@yandex.ru>  writes:
>
> > On 24.08.2022 18:17, André A. Gomes wrote:
> > > Hi Emacs,
> > > It seems that running project-find-regexp fails over tramp.  Any idea?
> > > Thanks.
> > Hi!
> >
> > How does it fail? Does it signal an error? I don't see that in the
> > backtrace.
> It signals
>
> --8<---------------cut here---------------start------------->8---
> split-string: Wrong type argument: stringp, nil
> --8<---------------cut here---------------end--------------->8---
>
> The issue is that
>
> --8<---------------cut here---------------start------------->8---
> (apply #'vc-git--run-command-string nil "ls-files" args)
> --8<---------------cut here---------------end--------------->8---
>
> returns nil, in project--vc-list-files.
>
> Does this help?  Thanks.

Okay... Does it happen on one particular host, or with any directory 
visited over Tramp?

I usually test Tramp functionality over the 'sudo' adapter.

E.g. /sudo:root@localhost:~/...