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-rw-r--r--lisp/vc/diff-mode.el40
1 files changed, 22 insertions, 18 deletions
diff --git a/lisp/vc/diff-mode.el b/lisp/vc/diff-mode.el
index 1647e6bca96..e945d6ef160 100644
--- a/lisp/vc/diff-mode.el
+++ b/lisp/vc/diff-mode.el
@@ -124,7 +124,6 @@ when editing big diffs)."
("A" . diff-ediff-patch)
("r" . diff-restrict-view)
("R" . diff-reverse-direction)
- ("/" . diff-undo)
([remap undo] . diff-undo))
"Basic keymap for `diff-mode', bound to various prefix keys."
:inherit special-mode-map)
@@ -575,19 +574,21 @@ next hunk if TRY-HARDER is non-nil; otherwise signal an error."
(easy-mmode-define-navigation
diff-hunk diff-hunk-header-re "hunk" diff-end-of-hunk diff-restrict-view
(when diff-auto-refine-mode
- (setq diff--auto-refine-data (cons (current-buffer) (point-marker)))
- (run-at-time 0.0 nil
- (lambda ()
- (when diff--auto-refine-data
- (let ((buffer (car diff--auto-refine-data))
- (point (cdr diff--auto-refine-data)))
- (setq diff--auto-refine-data nil)
- (with-local-quit
- (when (buffer-live-p buffer)
- (with-current-buffer buffer
- (save-excursion
- (goto-char point)
- (diff-refine-hunk)))))))))))
+ (unless (prog1 diff--auto-refine-data
+ (setq diff--auto-refine-data
+ (cons (current-buffer) (point-marker))))
+ (run-at-time 0.0 nil
+ (lambda ()
+ (when diff--auto-refine-data
+ (let ((buffer (car diff--auto-refine-data))
+ (point (cdr diff--auto-refine-data)))
+ (setq diff--auto-refine-data nil)
+ (with-local-quit
+ (when (buffer-live-p buffer)
+ (with-current-buffer buffer
+ (save-excursion
+ (goto-char point)
+ (diff-refine-hunk))))))))))))
(easy-mmode-define-navigation
diff-file diff-file-header-re "file" diff-end-of-file)
@@ -819,9 +820,11 @@ If the OLD prefix arg is passed, tell the file NAME of the old file."
(progn (diff-hunk-prev) (point))
(error (point-min)))))
(header-files
- (if (looking-at "[-*][-*][-*] \\(\\S-+\\)\\(\\s-.*\\)?\n[-+][-+][-+] \\(\\S-+\\)")
- (list (if old (match-string 1) (match-string 3))
- (if old (match-string 3) (match-string 1)))
+ ;; handle filenames with spaces;
+ ;; cf. diff-font-lock-keywords / diff-file-header-face
+ (if (looking-at "[-*][-*][-*] \\([^\t]+\\)\t.*\n[-+][-+][-+] \\([^\t]+\\)")
+ (list (if old (match-string 1) (match-string 2))
+ (if old (match-string 2) (match-string 1)))
(forward-line 1) nil)))
(delq nil
(append
@@ -830,6 +833,7 @@ If the OLD prefix arg is passed, tell the file NAME of the old file."
(re-search-backward "^Index: \\(.+\\)" limit t)))
(list (match-string 1)))
header-files
+ ;; this assumes that there are no spaces in filenames
(when (re-search-backward
"^diff \\(-\\S-+ +\\)*\\(\\S-+\\)\\( +\\(\\S-+\\)\\)?"
nil t)
@@ -1296,7 +1300,7 @@ See `after-change-functions' for the meaning of BEG, END and LEN."
(re-search-forward diff-context-mid-hunk-header-re
nil t)))))
(when (and ;; Don't try to fixup changes in the hunk header.
- (> (car diff-unhandled-changes) start)
+ (>= (car diff-unhandled-changes) start)
;; Don't try to fixup changes in the mid-hunk header either.
(or (not mid)
(< (cdr diff-unhandled-changes) (match-beginning 0))