Subject: Re: bug#34343: [PATCH] Make project--find-regexp-in-files work with remote files

From: Dmitry Gutov <[email-masked]>
Date: Sun, 29 Dec 2019 16:14:01 +0300

On 29.12.2019 14:34, Michael Albinus wrote:
> Not always. But even if it calls expand-file-name, this doesn't mean
> always that a remote command is fired. This is what is expensive.

That depends on our performance goals. As described in 
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34343#29, when called on a 
lot of files, it can be fairly expensive even when offline.

But eliminating remote calls will be a win, for sure.