GNU bug report logs - #27840
26.0.50; vc-git-grep stopped working on git master

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: npostavs <at> users.sourceforge.net, Tom Tromey <tom <at> tromey.com>
Cc: 27840 <at> debbugs.gnu.org
Subject: bug#27840: 26.0.50; vc-git-grep stopped working on git master
Date: Thu, 27 Jul 2017 16:23:06 +0300

On 7/27/17 2:32 AM, npostavs <at> users.sourceforge.net wrote:

> Perhaps we should
> instead disable this option by default; when I introduced it, I didn't
> think about the fact that grep.el is used for not-quite-grep programs as
> well.

Or we can try to think of them as separate. I.e., the patch below also 
works. And if we want to use the --null option for vc-git-grep, we can 
construct a derivative alist in vc-git.el.

Up to you, of course.

diff --git a/lisp/vc/vc-git.el b/lisp/vc/vc-git.el
index cc3e295..f52dc6e 100644
--- a/lisp/vc/vc-git.el
+++ b/lisp/vc/vc-git.el
@@ -1443,7 +1443,8 @@ vc-git-grep
 	    (add-to-history 'grep-history command))))
       (when command
 	(let ((default-directory dir)
-	      (compilation-environment (cons "PAGER=" compilation-environment)))
+	      (compilation-environment (cons "PAGER=" compilation-environment))
+              grep-use-null-filename-separator)
 	  ;; Setting process-setup-function makes exit-message-function work
 	  ;; even when async processes aren't supported.
 	  (compilation-start command 'grep-mode))

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