bug#50572: 28.0.50; [PATCH] fix VC to find the responsible backend with the most specific path.

[Dmitry Gutov]

On 13.09.2021 19:10, Eli Zaretskii wrote:
> > From: Manuel Giraud<manuel@ledu-giraud.fr>
> > Date: Mon, 13 Sep 2021 17:47:19 +0200
> >
> > When calling 'vc-next-action' on an unregistered file, VC could choose a
> > backend that is very far above this file in the directory hierarchy.
> >
> > In my case, it chooses SVN as backend (because I have one in my homedir)
> > but I wanted it to choose the Git backend of the directory this file
> > resides.
> >
> > This patch solves this issue by selecting the backend with the most
> > specific (in fact, the longest string) path to the file.
> Isn't that already available with "C-u C-x v v"?

A better default is an improvement anyway.

I think the patch is a good idea, especially given that 
vc-responsible-backend has only recently been changed in the same way 
(commit 2697123933).