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bug#37395: [PATCH v2] diff-mode.el: take into account patch separators
From: |
Konstantin Kharlamov |
Subject: |
bug#37395: [PATCH v2] diff-mode.el: take into account patch separators |
Date: |
Fri, 13 Sep 2019 12:19:21 +0300 |
* lisp/vc/diff-mode.el (diff-prev-line-if-patch-separator):
An inline function to return prev. line if it has
git-format-patch separator.
(diff-end-of-hunk): Make use of
diff-prev-line-if-patch-separator
---
v2:
* Start commit description with capital letter
* Limit commit description to 61 character line length
* Rename diff-goto-line-before-patch-separator, to
diff-prev-line-if-patch-separator and rephrase the doc-string.
* diff-prev-line-if-patch-separator now does not mutate point.
* Make sure we're at line beginning before (looking-at …)
lisp/vc/diff-mode.el | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/lisp/vc/diff-mode.el b/lisp/vc/diff-mode.el
index 19f9c802d4..6702614472 100644
--- a/lisp/vc/diff-mode.el
+++ b/lisp/vc/diff-mode.el
@@ -511,6 +511,17 @@ diff-hunk-style
(goto-char (match-end 0)))
style)
+(defsubst diff-prev-line-if-patch-separator ()
+ "Return previous line if it has patch separator produced by
+git-format-patch."
+ (save-excursion
+ (let ((old-point (point)))
+ (previous-line)
+ (beginning-of-line)
+ (if (looking-at "^-- $")
+ (point)
+ old-point))))
+
(defun diff-end-of-hunk (&optional style donttrustheader)
"Advance to the end of the current hunk, and return its position."
(let (end)
@@ -561,7 +572,8 @@ diff-end-of-hunk
(goto-char (or end (point-max)))
(while (eq ?\n (char-before (1- (point))))
(forward-char -1)
- (setq end (point)))))
+ (setq end (point))))
+ (setq end (diff-prev-line-if-patch-separator)))
;; The return value is used by easy-mmode-define-navigation.
(goto-char (or end (point-max)))))
--
2.23.0