Subject: bug#23769: 25.0.95; Mode Line breakage in vc-git

From: Dmitry Gutov <[email-masked]>
Date: Fri, 17 Jun 2016 15:06:10 +0300

On 06/17/2016 09:54 AM, Eli Zaretskii wrote:

> (setenv "FOO") works for me.

setenv works destructively. To use it and remain good citizens, we'd 
have to `(copy-sequence process-environment)` every time we call a Git 
command.

Maybe that's not huge in the grand scheme of things, but it certainly 
looks wasteful.