bug#6447: 23.1; revert-buffer in *vc-diff*

[Dan Nicolaescu]

Dan Nicolaescu <dann@gnu.org> writes:

> Juri Linkov <juri@jurta.org> writes:
>
>>>> Like the command `diff' after calling `diff-mode' sets
>>>> `revert-buffer-function' to lambda with its function arguments,
>>>> `vc-diff-internal' could do the same:
>>>>
>>>> === modified file 'lisp/vc/vc.el'
>>>> --- lisp/vc/vc.el  2010-06-11 19:09:57 +0000
>>>> +++ lisp/vc/vc.el  2010-06-19 14:51:14 +0000
>>>> @@ -1547,6 +1547,9 @@ (defun vc-diff-internal (async vc-filese
>>>>            (message "%s" (cdr messages))
>>>>            nil)
>>>>        (diff-mode)
>>>> +      (set (make-local-variable 'revert-buffer-function)
>>>> +     `(lambda (ignore-auto noconfirm)
>>>> +        (vc-diff-internal ,async ',vc-fileset ,rev1 ,rev2 ,verbose)))
>>>>        ;; Make the *vc-diff* buffer read only, the diff-mode key
>>>>        ;; bindings are nicer for read only buffers. pcl-cvs does the
>>>>        ;; same thing.
>>>
>>> Looks like a fine idea, please go ahead.
>>
>> Done.
>
> BTW, the log and log-incoming and log-outgoing buffers could use the same 
> treatment...

I've done this implemented this in my local tree.