GNU bug report logs - #70994
[PATCH] Make cache regeneration work in group names with /

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Message #29 received at 70994 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: eric <at> ericabrahamsen.net, James Thomas <jimjoe <at> gmx.net>
Cc: 70994 <at> debbugs.gnu.org, stefankangas <at> gmail.com, daniel <at> dsemy.com
Subject: Re: bug#70994: [PATCH] Make cache regeneration work in group names
 with /
Date: Sat, 07 Sep 2024 10:23:53 +0300

Ping! Eric, any further comments, or should we install the patch?

> From: James Thomas <jimjoe <at> gmx.net>
> Cc: eric <at> ericabrahamsen.net,  70994 <at> debbugs.gnu.org,
>   stefankangas <at> gmail.com,  daniel <at> dsemy.com
> Date: Sat, 24 Aug 2024 14:54:28 +0530
> 
> Eli Zaretskii wrote:
> 
> > Ping!  Can we make some progress here?
> 
> I'd like to confess again that this doesn't seem to be a big deal:
> 'gnus-cache-generate-nov-databases' and 'gnus-cache-generate-active'
> should work regardless. It's only for someone who might accidentally do
> this.
> 
> Regards,
> James
> >
> >> Cc: 70994 <at> debbugs.gnu.org, Stefan Kangas <stefankangas <at> gmail.com>,
> >>  Daniel Semyonov <daniel <at> dsemy.com>
> >> Date: Thu, 08 Aug 2024 06:46:48 +0530
> >> From:  James Thomas via "Bug reports for GNU Emacs,
> >>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
> >> 
> >> Eric Abrahamsen wrote:
> >> 
> >> > James Thomas via "Bug reports for GNU Emacs, the Swiss army knife
> >> > of
> >> > text editors" <bug-gnu-emacs <at> gnu.org> writes:
> >> >
> >> >> Eric Abrahamsen wrote:
> >> >>
> >> >>> Stefan Kangas <stefankangas <at> gmail.com> writes:
> >> >>>
> >> >>>> James Thomas via "Bug reports for GNU Emacs, the Swiss army
> >> >>>> knife of
> >> >>>> text editors" <bug-gnu-emacs <at> gnu.org> writes:
> >> >>>>
> >> >>>>> Reproduction steps for bug:
> >> >>>>>
> >> >>>>> - emacs -Q
> >> >>>>> - (setq gnus-secondary-select-methods
> >> >>>>>     '((nnatom "github.com/vedang/pdf-tools/commits.atom")))
> >> >>>>>   (setq gnus-select-method '(nnnil ""))
> >> >>>>> - M-x gnus
> >> >>>>> - Open a message in the new group and press *
> >> >>>>> - Add the cache virtual server (info "(gnus) Creating a Virtual Server")
> >> >>>>> - ^ (server buffer) and: g on the cache
> >> >>>>> - RET to open (fails)
> >> >>>>>
> >> >>>>> This is a possible fix that I've tested only on my (limited) setup, for
> >> >>>>> now:
> >> >>>>
> >> >>>> Eric, what do you think of the below patch?
> >> >>>
> >> >>> Thanks for the bump...
> >> >>>
> >> >>> James, wasn't this what bug#69517 was supposed to be fixing?
> >> >>
> >> >> You're right, but that was specifically the 'cache'. In
> >> >> regenerate, all
> >> >> it sees is that the backend is nnml and there's nothing else
> >> >> special
> >> >> about the server.
> >> >
> >> > Okay, thanks.
> >> >
> >> >>> I'm still feeling like we're patching pinhole leaks in a
> >> >>> fundamentally
> >> >>> broken system.
> >> >>
> >> >> Sorry if my patch made you think so, but I don't feel that way
> >> >> 🙂. This
> >> >> feature is just tangential and things like slashes in group names
> >> >> are
> >> >> bound to complicate things.
> >> >
> >> > I wasn't complaining about your code :) Just generally grumbling
> >> > that
> >> > this is so complex.
> >> >
> >> >> But let me see if I can whip up an alternative patch that does
> >> >> things in
> >> >> a simpler way (I did say: 'possible' patch). One thing to decide
> >> >> is
> >> >> whether '%'s are uncommon enough in group names to warrant
> >> >> special
> >> >> treatment in a backend as fundamental as nnml.
> >> 
> >> I've gone ahead and assumed the above; so now the patch is way
> >> simpler.
> >> (Btw I meant to say 'nnmail' above, not 'nnml'). It shouldn't be a
> >> problem: think I remember only Gmail using a % at some point - and a
> >> simple renaming fixes that - perhaps there should be a NEWS entry.
> >> 
> >> 
> >> Note that for this to work with nnatom in the current upstream
> >> you'll
> >> also need (ahem!) my patch in bug#65467: bug#71888 must be
> >> responsible.
> >> 
> >> > Without diving into this right now, it seems like this is
> >> > something that
> >> > should be governed by the nnmail abstract backend, from which nnml
> >> > and
> >> > friends inherit. I would dearly, dearly love it if all backends
> >> > that
> >> > might potentially create an on-disk directory from a group name
> >> > would
> >> > use the same code (applying the same user options) to do it,
> >> > essentially
> >> > transparently. It makes me nervous when various functions in
> >> > various
> >> > places repeat similar-but-not-quite-identical routines in encoding
> >> > and
> >> > decoding group names. I suppose that URL encoding/decoding
> >> > functions
> >> > might end up being an okay tool, but I wonder if Elisp doesn't
> >> > already
> >> > have some prior art here. I'll do a bit of reading.
> >> 
> >> That's worthwhile of course, but here, for the time being, I've
> >> decided
> >> I'm only grappling with the new allowance of '/'s in group names.
> >> :-)
> >> 
> >> (A further improvement involves replacing the '/'s in the code with
> >> '-directory-separator-character', but that's for another report)
> >> 
> >> Regards,
> >> James
> 

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