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[Emacs-diffs] emacs-26 066efb8: Fix log-view-diff-common when point is a
From: |
Tom Tromey |
Subject: |
[Emacs-diffs] emacs-26 066efb8: Fix log-view-diff-common when point is after last entry |
Date: |
Mon, 18 Sep 2017 22:02:25 -0400 (EDT) |
branch: emacs-26
commit 066efb86660542238854a400c3c20b5cb526a3cd
Author: Tom Tromey <address@hidden>
Commit: Tom Tromey <address@hidden>
Fix log-view-diff-common when point is after last entry
Bug#28466
* lisp/vc/log-view.el (log-view-diff-common): If point is after last
entry, look at the previous revision.
---
lisp/vc/log-view.el | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/lisp/vc/log-view.el b/lisp/vc/log-view.el
index 52f56ed..d6963d0 100644
--- a/lisp/vc/log-view.el
+++ b/lisp/vc/log-view.el
@@ -608,10 +608,16 @@ considered file(s)."
(log-view-diff-common beg end t)))
(defun log-view-diff-common (beg end &optional whole-changeset)
- (let ((to (log-view-current-tag beg))
- (fr (log-view-current-tag end)))
- (when (string-equal fr to)
- ;; TO and FR are the same, look at the previous revision.
+ (let* ((to (log-view-current-tag beg))
+ (fr-entry (log-view-current-entry end))
+ (fr (cadr fr-entry)))
+ ;; When TO and FR are the same, or when point is on a line after
+ ;; the last entry, look at the previous revision.
+ (when (or (string-equal fr to)
+ (>= (point)
+ (save-excursion
+ (goto-char (car fr-entry))
+ (forward-line))))
(setq fr (vc-call-backend log-view-vc-backend 'previous-revision nil
fr)))
(vc-diff-internal
t (list log-view-vc-backend
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