GNU bug report logs - #74905
[PATCH] Implement search for nnvirtual Gnus groups

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Message #17 received at 74905 <at> debbugs.gnu.org (full text, mbox):

From: James Thomas <jimjoe <at> gmx.net>
To: Björn Bidar <bjorn.bidar <at> thaodan.de>
Cc: 74905 <at> debbugs.gnu.org
Subject: Re: bug#74905: [PATCH] Implement search for nnvirtual Gnus groups
Date: Thu, 19 Dec 2024 04:51:24 +0530

James Thomas wrote:

> Björn Bidar wrote:
>
>> James Thomas <jimjoe <at> gmx.net> writes:
>>
>>> Björn Bidar wrote:
>>>
>>>> This patch implements search for nnvirtual. I'm using
>>>> publi-inbox's
>>>> with nnvirtual to group each group into one.
>>>> However searching wasn't possible in these nnvirtual groups.
>>>> I implemented gnus-search-run-search based on the existing
>>>> nnselect gnus-search-run-search function.
>>>
>>> Thanks! I haven't looked into it, but here are some quick comments:
>>>
>>>> I'm looking for feedback on the patch. I don't exactly know how
>>>> the search function is called when multiple groups of the same
>>>> type
>>>> are
>>>> involved. For nnvirtual each group is its on server, does that
>>>> mean
>>>> the
>>>> function will be always called only for each group? In that case
>>>> everything should be good.
>>>
>>> That seems to be the case: see
>>> gnus-group-read-ephemeral-search-group
>>> and gnus-group-make-search-group.
>>
>> OK good than my understanding from my tests matched with the rest of
>> the
>> code.
>> Thanks for these examples I haven't looked at the create group
>> functions
>> as the searched methods don't have to create groups even when they
>> start
>> a new search by another backend just like e.g. if the user would
>> call
>> a
>> search on another imap group.
>>
>>>> +(deffoo nnvirtual-request-list (&optional server)
>>>> +  (when (nnvirtual-possibly-change-server server)
>>>> +    (with-current-buffer nntp-server-buffer
>>>> +      (erase-buffer)
>>>> +      (dolist (group nnvirtual-component-groups)
>>>> +        (insert (format "%S 0  1 y\n" group))))
>>>> +    t))
>>>
>>> Did you check if gnus-start.el#L1801 withstands this? It seems to
>>> me
>>> to
>>> assume that nnvirtual doesn't have -request-list.
>>
>> It does. If the user has falsely add nnvirtual to one of the select
>> methods than it will call it try to call the function which doesn't
>> fail
>> or do anything. The only thing that happens from that is it will
>> show
>> the false results as groups contained in the nnvirtual method
>> without
>> a
>> parameter.
>
> No, I mean, the point of that code seems to be that nnvirtual is
> activated _last_, i.e. after any component groups of other backends.

No, sorry, I was a little confused about this. But it seems to me that
-request-group removes each group from the component list (unlike your
-request-list). Is that relevant? IDK. The latter seems to do info
updation as well, based on -always-rescan.

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