Re: File names in ChangeLog entries

[Philip Kaludercic]

Stefan Kangas <stefan@marxist.se> writes:

> I recommend using `add-change-log-entry-other-window' bound to `C-x 4 a'
> to get this right.

As I use C-c C-w in log-edit, I would appreciate it if a patch like this
could be merged:

>From f3f87cab56d1bc1754d9e83a9dd53d0cb48c02b0 Mon Sep 17 00:00:00 2001
From: Philip Kaludercic <philipk@posteo.net>
Date: Tue, 30 Nov 2021 21:05:42 +0100
Subject: [PATCH] Use VC-relative file names in ChangeLog entries

* lisp/vc/diff-mode.el (diff-add-log-current-defuns): Check
vc-root-dir to prepend the project path to the file being modified.

See https://mail.gnu.org/archive/html/emacs-devel/2021-11/msg02195.html
---
 lisp/vc/diff-mode.el | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lisp/vc/diff-mode.el b/lisp/vc/diff-mode.el
index 057ffcd06e..40749754d8 100644
--- a/lisp/vc/diff-mode.el
+++ b/lisp/vc/diff-mode.el
@@ -2343,7 +2343,10 @@ diff-add-log-current-defuns
           ;; hunks (e.g., "diff --git ..." etc).
           (re-search-forward diff-hunk-header-re nil t)
         (setq hunk-end (save-excursion (diff-end-of-hunk)))
-        (pcase-let* ((filename (substring-no-properties (diff-find-file-name)))
+        (pcase-let* ((filename (substring-no-properties
+                                (file-relative-name
+                                   (diff-find-file-name)
+                                   (vc-root-dir))))
                      (=lines 0)
                      (+lines 0)
                      (-lines 0)
-- 
2.34.0

(Something is currently wrong with my Savannah account so I wouldn't be
able to push the change myself).

-- 
        Philip Kaludercic