GNU bug report logs - #76655
30.1; MH-E: "unseen" folder broken on OpenBSD

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Message #17 received at 76655 <at> debbugs.gnu.org (full text, mbox):

From: Bill Wohler <wohler <at> newt.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 76655 <at> debbugs.gnu.org, Mike Kupfer <kupfer <at> rawbw.com>
Subject: Re: bug#76655: 30.1; MH-E: "unseen" folder broken on OpenBSD
Date: Sat, 01 Mar 2025 09:40:52 -0800

Eli Zaretskii <eliz <at> gnu.org> wrote:

> > From: Mike Kupfer <kupfer <at> rawbw.com>
> > Date: Fri, 28 Feb 2025 16:56:41 -0800
> > 
> > A user running 30.1 reported that when he runs mh-index-new-messages,
> > the resulting index folder (+mhe-index/sequence/unseen) does not list
> > the source folder(s) for the found messages.  The folder should look
> > something like
> > 
> >   +readLater/linux
> >     4  02/28 [Van Snyder     ]  Re: Hardware question
> >     6  02/28   [Greg Wooledge  ]  Re: Hardware question
> >     8 %02/28 [Salvatore Bonac]  [SECURITY] [DSA 5872-1] xorg-server security upda
> >   
> >   +readLater/misc
> >    22+t02/28 [Substack       ]  In-app video publishing, Notes stats, and a new t
> >    23 %02/28 [Palo Alto Farme]  Shop the Market, Support Our Community
> > 
> > But this user is missing the "+readLater/linux" and "+readLater/misc"
> > lines.
> > 
> > Furthermore, if the user views or deletes the message in the index
> > folder, a corresponding action is supposed to be performed on the
> > message in the source folder.  That's not happening.
> > 
> > Normally, messages in an MH-E index folder should have an
> > "X-MHE-Checksum" header line.  The user reports that those headers are
> > missing from the emails in the index folder.  MH-E uses this header to
> > tie the entry in the index folder to the entry in the source folder, so
> > their absence explains the above two problems.
> > 
> > The relevant code in MH-E is rather twisty, but it looks like the
> > headers are missing due to a bug in mh-index-sequenced-messages.  MH-E
> > calls out to an external program to compute the MD5 checksum for a
> > message.  mh-index-sequenced-messages sets
> > mh-search-next-result-function to mh-mairix-next-result, which
> > works if the external program is md5sum, which is what Linux users
> > usually get.
> > 
> > But the user reports that mh-checksum-cmd is set to invoke openssl,
> > and it looks like MH-E is unable to parse the openssl output.
> > 
> > The reason for using an external program are historical.  (These
> > problems are not a regression in Emacs 30.  The user also saw them with
> > Emacs 29.)  MH-E should get rid of the current framework
> > (mh-checksum-cmd, mh-checksum-parser, mh-checksum-choose, etc.) and just
> > use Emacs's md5 function.
> 
> Bill, any comments or suggestions?

Mike and I have been discussing this, and I agree that minimizing
dependencies and using the the internal (md5) function is a good thing.
As Mike mentioned in another email, there may be more going on on our
user's OpenBSD system that Mike is going to try to untangle.

-- 
Bill Wohler <wohler <at> newt.com> aka <Bill.Wohler <at> nasa.gov>
http://www.newt.com/wohler/, GnuPG ID:610BD9AD

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