Subject: bug#64140: 29.0.91; C-u M-x grep doesn't work correctly after M-x vc-git-grep

From: Sean Whitton <[email-masked]>
Date: Sat, 15 Mar 2025 15:32:22 +0800

Hello,

On Fri 14 Mar 2025 at 10:42am +02, Eli Zaretskii wrote:

> That could be okay, but is not the most useful way of using Grep
> history in git grep commands.  A more useful way would be to allow the
> user to reuse Grep history in git grep commands by modifying them to
> become valid command lines.  Because I think it would be extremely
> useful to be able to run a "git grep" command that searches for the
> same pattern as a previous Grep command, and vice versa.

Yes, you're right, that would be very useful.

I guess that we should say that grep owns the history variable, so
vc-git-grep should be responsible for performing the transformations in
either direction, when using the history variable for prompting, and
when saving to it?

-- 
Sean Whitton