Subject: bug#50761: [PATCH] Do not count git markers as "deleted lines"

From: Konstantin Kharlamov <[email-masked]>
Date: Thu, 23 Sep 2021 18:39:42 +0300

* lisp/vc/diff-mode.el (diff-fixup-modifs): skip "end of patch" markers
that `git-format-patch` leaves around.
---
 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 0852f8790e9..75bb4dee1ae 100644
--- a/lisp/vc/diff-mode.el
+++ b/lisp/vc/diff-mode.el
@@ -1355,7 +1355,10 @@ diff-fixup-modifs
 	      (pcase (char-after)
 		(?\s (cl-incf space))
 		(?+ (cl-incf plus))
-		(?- (cl-incf minus))
+		(?- (unless ;; in git diff "^-- $" signifies end of patch
+			(and (eq diff-buffer-type 'git)
+			     (looking-at "^-- $"))
+		      (cl-incf minus)))
 		(?! (cl-incf bang))
 		((or ?\\ ?#) nil)
 		(?\n (if diff-valid-unified-empty-line
-- 
2.33.0