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* lisp/vc/diff-mode.el (diff-syntax-fontify-hunk): Erase buffer

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before inserting file contents to *diff-syntax-file*.
Use absolute file names.
This commit is contained in:
Juri Linkov 2019-04-16 23:51:51 +03:00
parent d0da7ee82e
commit 292e817aad
1 changed files with 5 additions and 4 deletions
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9
lisp/vc/diff-mode.el
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@ -2439,6 +2439,7 @@ When OLD is non-nil, highlight the hunk from the old source."
(when (and diff-vc-backend
(not (eq diff-font-lock-syntax 'hunk-only)))
(let* ((file (diff-find-file-name old t))
(file (and file (expand-file-name file)))
(revision (and file (if (not old) (nth 1 diff-vc-revisions)
(or (nth 0 diff-vc-revisions)
(vc-working-revision file))))))
@ -2447,7 +2448,7 @@ When OLD is non-nil, highlight the hunk from the old source."
;; Get properties from the current working revision
(when (and (not old) (file-readable-p file)
(file-regular-p file))
(let ((buf (get-file-buffer (expand-file-name file))))
(let ((buf (get-file-buffer file)))
;; Try to reuse an existing buffer
(if buf
(with-current-buffer buf
@ -2460,13 +2461,13 @@ When OLD is non-nil, highlight the hunk from the old source."
;; Same file as last-time, unmodified.
;; Reuse buffer as-is.
(setq file nil)
(erase-buffer)
(insert-file-contents file)
(setq diff--syntax-file-attributes attrs)))
(diff-syntax-fontify-props file text line-nb)))))
;; Get properties from a cached revision
(let* ((buffer-name (format " *diff-syntax:%s.~%s~*"
(expand-file-name file)
revision))
file revision))
(buffer (get-buffer buffer-name)))
(if buffer
;; Don't re-initialize the buffer (which would throw
@ -2474,7 +2475,7 @@ When OLD is non-nil, highlight the hunk from the old source."
(setq file nil)
(setq buffer (ignore-errors
(vc-find-revision-no-save
(expand-file-name file) revision
file revision
diff-vc-backend
(get-buffer-create buffer-name)))))
(when buffer