GNU bug report logs - #75626
31.0.50; Dired misses or double-processes files when auto-revert-mode is enabled

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Message #166 received at 75626 <at> debbugs.gnu.org (full text, mbox):

From: Tassilo Horn <tsdh <at> gnu.org>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: "michael_heerdegen <at> web.de" <michael_heerdegen <at> web.de>,
 "75626 <at> debbugs.gnu.org" <75626 <at> debbugs.gnu.org>, Eli Zaretskii <eliz <at> gnu.org>
Subject: Re: [External] : Re: Re: bug#75626: 31.0.50; Dired misses or
 double-processes files when auto-revert-mode is enabled
Date: Tue, 21 Jan 2025 08:26:15 +0100

Drew Adams <drew.adams <at> oracle.com> writes:

>> Yes.  Because the only way this macro can work predictably and
>> reliably is if it works on a snapshot of the directory's state.  It
>> cannot allow changed in the files that its body did not cause and
>> does not know about.
>
> Again, it's not about changes in the files.  The
> macro carries out an action on the marked _lines_.
> Not the same thing as acting on the files marked
> on those lines.

But the marked _lines_ can also jump around/change their order due to
auto-revert.  And the changes causing it might be made by other
processes, not our dired operation.  Please give one concrete example
where that would be desired?  It's like arguing that a inhibiting a
periodic shuffle-lines during keyboard macro execution would constrain
the generality of keyboard macros.

Bye,
Tassilo

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