bug#35270: 27.0.50; gnus nnimap weird interaction between select methods

[Deus Max]

On Sun, Apr 28 2019, Eric Abrahamsen wrote:

> Deus Max <deusmax@gmx.com> writes:
>
>> On Wed, Apr 24 2019, Deus Max wrote:
>>
>>> On Tue, Apr 23 2019, Eric Abrahamsen wrote:
>>>
>>>>
>>>> You might as well get rid of this too, as it's no longer used.
>>>>
>>>> The only other thing I can think of is setting `gnus-verbose' to 10 and
>>>> showing us all the messages: that will at least tell you a little bit
>>>> more about what Gnus thinks it's doing.
>>>>
>>>> Eric
>>>
>>> Great advice, thank you. I'll get rid of all the unnecessary stuff, as
>>> you suggest and re-run with gnus-verbose 10 !
>>> I'm curious to see the outcome !
>>
>> Well that was interesting !
>>
>>
>> Probably, having the gmx as the "primary" imap selection
>> (gnus-select-method) resulted in some interaction making the gmx groups
>> appear both as nnimap+gmx:Group and as plain Group (default).
>
> Right -- I think Gnus was trying to make a *new* server out of '(nnimap
> "gmx"), which then sort of conflicts with your existing nnimap+gmx
> server.
>
Still, having a bad option setting should not lead to such behavior.
Anyway, we can leave that for another time... !

>> Apparently, I don't understand well enough how the variables
>> gnus-message-archive-group and gnus-message-archive-method are supposed
>> to work.
>> Basically, since I use nnimap, when composing a new
>> message I don't want to see Gcc set to a nnfolder+archive group, but set
>> the current imap group. The following values now seem to work:
>>     : '(gnus-message-archive-group '(lambda (grp) (if grp 
>> gnus-newsgroup-name "Send-Mail")))
>>     : '(gnus-message-archive-method "nnimap")
>
> Here's my understanding:
>
> You can use archive-method and archive-group together, in which case
> archive-group is understood to return a group name that exists on
> archive-method. _Alternately_, archive-group can return a fully
> qualified group name, in your case "nnimap+gmx:Send-Mail", in which case
> archive-method will be completely ignored, and you don't need to set it
> at all.
>
> In your case, that's the easiest solution. If you really want to set
> both options, I think you'd have to try harder to make sure that
> archive-method matched your "real" nnimap+gmx server, ie they should
> pass `gnus-server-equal'.
>
> But like I said, that's unnecessary if archive-group returns a full
> group name.
>

Thank you Eric !