GNU bug report logs - #35443
27.0.50; Gnus (nnimap) shows "ghost" messages in summary buffer

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From: Eric Abrahamsen <eric <at> ericabrahamsen.net>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 35443 <at> debbugs.gnu.org, Ulrich Mueller <ulm <at> gentoo.org>
Subject: bug#35443: 27.0.50; Gnus (nnimap) shows "ghost" messages in summary buffer
Date: Sat, 22 Jun 2019 14:36:13 -0700

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Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> Eric Abrahamsen <eric <at> ericabrahamsen.net> writes:
>
>>> Maybe drop the extra FETCH responses for now, and add proper bookkeeping
>>> later when implementing the requested feature?
>>
>> Okay, I'll work something up in the next week that goes halfway with
>> this.
>
> Did you get any further in fixing this nnimap parsing bug?

Here's a whack at it. I tried to make sure that it would handle unwanted
FETCH responses whether they came before or after (or in the middle of)
the wanted FETCH responses, but I'm not in love with checking the header
regexp this way.

Because this IMAP server feature is very closely focused on adding a
flag in case of attachment (and because Gnus never explicitly requests
this flag, though I'd sure like to in the future), another more targeted
approach would be to simply delete any lines containing
$Has\(No\)?Attachment, assuming that these FETCH responses will only
take up one line.

I've configured my local Dovecot with the offending setting, and will
test it out for a bit.

Eric

[imap-header-transform-fix.diff (text/x-patch, attachment)]

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