GNU bug report logs -
#71927
29.4; ibuffer-do-isearch and ibuffer-do-isearch-regexp not prompting for input
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Reported by: Charles Choi <kickingvegas <at> gmail.com>
Date: Wed, 3 Jul 2024 21:26:01 UTC
Severity: normal
Found in version 29.4
Fixed in version 30.1
Done: Eshel Yaron <me <at> eshelyaron.com>
Bug is archived. No further changes may be made.
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On Thu, 04 Jul 2024 17:12:43 +0300 Eli Zaretskii <eliz <at> gnu.org> wrote:
>> From: Stephen Berman <stephen.berman <at> gmx.net>
>> Cc: me <at> eshelyaron.com, kickingvegas <at> gmail.com, 71927 <at> debbugs.gnu.org,
>> basil <at> contovou.net, jpw <at> gnu.org, juri <at> linkov.net
>> Date: Thu, 04 Jul 2024 15:32:05 +0200
>>
>> On Thu, 04 Jul 2024 15:50:56 +0300 Eli Zaretskii <eliz <at> gnu.org> wrote:
>>
>> >> From: Stephen Berman <stephen.berman <at> gmx.net>
>> >> Cc: Eshel Yaron <me <at> eshelyaron.com>, kickingvegas <at> gmail.com,
>> >> 71927 <at> debbugs.gnu.org, basil <at> contovou.net, jpw <at> gnu.org,
>> >> juri <at> linkov.net
>> >> Date: Thu, 04 Jul 2024 12:06:40 +0200
>> >>
>> >> >> FWIW, AFAICT everything is working correctly, it's just that the
>> >> >> "Operation finished" message hides the prompt. ibuffer-do-isearch
>> >> >> should tell define-ibuffer-op not to display that message, somehow.
>> >> >
>> >> > I don't see how this could be considered "correct": the "Operation
>> >> > finished" message is supposed to be shown only after the Isearch is
>> >> > finished in all the marked buffer, not before. It looks like we need
>> >> > a function that will not return until all the buffers where searched,
>> >> > because that's what define-ibuffer-op expects. Don't you agree?
>> >>
>> >> The attached patch appears to DTRT, but I only tested it briefly.
>> >
>> > Thanks, but does it really make sense to change define-ibuffer-op to
>> > fix the functions which (evidently) use it incorrectly? I think the
>> > fix needs to be in the same place where the bug is.
>>
>> That's what I thought, too, but I don't see a way to do that, because
>> define-ibuffer-op hard-codes displaying a message at the end of the
>> body. But in this case that message seems superfluous, in addition to
>> hiding the isearch prompt, because when isearch goes through the marked
>> buffers, it then displays its own message that the operation is
>> complete. So this looks like a case when define-ibuffer-op is currently
>> too rigid.
>
> Then maybe these two commands should be defined using defun, not
> define-ibuffer-op? There's nothing forcing us to define each ibuffer
> command via define-ibuffer-op, is it?
No, but doing that does seem rather like admitting that
define-ibuffer-op in its current form isn't up to the job in this case,
which is basically what my patch addressed. But of course that doesn't
mean it's the best fix.
>> However, I acknowledge that I don't really grok the interaction with
>> isearch, i.e., why the "Operation finished" message is shown
>> although isearch hasn't even begun.
>
> Juri will know for sure, but AFAIU all the commands that invoke
> Isearch just enter a special mode (including the conditions/commands
> to exit Isearch). IOW, when isearch-forward returns, the search did
> not yet begin; instead, Emacs is in a special mode where typing
> characters adds them to search string and triggers another round of
> search.
But if isearch-forward returning is what makes ibuffer-do-isearch (via
define-ibuffer-op) emit the "Operation finished" message, then it seems
like the only alternatives to suppressing that message are either to
somehow postpone isearch-forward's returning or to use some other
mechanism to initiate the actual search. Maybe one of those is possible
for someone to implement who understands isearch better than I do.
Steve Berman
This bug report was last modified 1 year and 2 days ago.
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