Package: emacs;
Reported by: Steve Throckmorton <arrestee <at> gmail.com>
Date: Mon, 25 Jul 2011 20:05:02 UTC
Severity: minor
Tags: notabug, wontfix
Found in version 23.2
Done: Glenn Morris <rgm <at> gnu.org>
Bug is archived. No further changes may be made.
View this message in rfc822 format
From: Steve Throckmorton <arrestee <at> gmail.com> To: 9171 <at> debbugs.gnu.org Subject: bug#9171: 23.2; revert-buffer ignores revert-without-query Date: Mon, 25 Jul 2011 15:52:58 -0400
I set 'revert-without-query' to (".+") so that every file name would
match. However, revert-buffer ignored this and continued to confirm
reversion (unless the buffer had not been modified, as testing later
revealed). Here's the relevant section from files.el:
(cond ((null file-name)
(error "Buffer does not seem to be associated with any file"))
((or noconfirm
(and (not (buffer-modified-p))
(catch 'found
(dolist (regexp revert-without-query)
(when (string-match regexp file-name)
(throw 'found t)))))
(yes-or-no-p (format "Revert buffer from file %s? "
file-name)))
;;; .... DO ACTUAL BUFFER REVERSION ....
And here's a diff of the change that "fixed" this:
4856c4856
< (and (buffer-modified-p)
---
> (and (not (buffer-modified-p))
Obviously, inverting the buffer-modified test means the rest of the
AND expression (where the test using revert-without-query is) never
gets evaluated, except (as mentioned) in the silly case of reverting
an unchanged buffer.
I put "fix" in quotes because the behavior is still sub-optimal. Now,
if one attempts to revert an unmodified buffer, revert-buffer queries
the user--again, without regard to the state of revert-without-query.
I'm not sure why the test for buffer-modified is combined with the
test against revert-without-query. It seems to make it difficult to
get a sensible combination of behaviors.
Steve T.
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