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authorPhil Sainty <psainty@orcon.net.nz>2018-07-18 19:32:11 +1200
committerPhil Sainty <psainty@orcon.net.nz>2018-07-29 00:30:01 +1200
commit1bcf5d02da96784a04034b4c0aba8fdfa1413c4e (patch)
tree7025c1657d259e36d4079ac083ce5564ea2751e2
parent177deaf9a1d75043c14f0d7ef8385ece93adb07d (diff)
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* lisp/vc/diff.el (diff-buffer-with-file): Support indirect buffers.
(Bug#32195)
-rw-r--r--lisp/vc/diff.el5
1 files changed, 3 insertions, 2 deletions
diff --git a/lisp/vc/diff.el b/lisp/vc/diff.el
index b850350cd8a..ac94586cace 100644
--- a/lisp/vc/diff.el
+++ b/lisp/vc/diff.el
@@ -226,8 +226,9 @@ With prefix arg, prompt for diff switches."
"View the differences between BUFFER and its associated file.
This requires the external program `diff' to be in your `exec-path'."
(interactive "bBuffer: ")
- (with-current-buffer (get-buffer (or buffer (current-buffer)))
- (diff buffer-file-name (current-buffer) nil 'noasync)))
+ (let ((buf (get-buffer (or buffer (current-buffer)))))
+ (with-current-buffer (or (buffer-base-buffer buf) buf)
+ (diff buffer-file-name (current-buffer) nil 'noasync))))
(provide 'diff)