Re: gnus nnmaildir and notmuch

[Eric Abrahamsen <eric@ericabrahamsen.net>]

Eric Abrahamsen <eric@ericabrahamsen.net> writes:

> Erik Colson <eco@ecocode.net> writes:
>
>> Hi,
>>
>> I've setup gnus with nnmaildir as a secondary mail source and using
>> notmuch as indexer/search.
>> Searching with the notmuch nnir backend works very well, and I nicely
>> get a gnus summary buffer of the corresponding results. In that buffer I
>> can select and move messages to other maildir folders and the articles
>> are then effectively moved. I can also mark messages flagged or
>> expirable etc, but when I exit the buffer and relaunch the query, the
>> marks are _not_ saved.
>>
>> How come? Is this expected behavior ? Can it be changed ?
>
> nnir sort of caches its results -- if the group hasn't been killed
> between searches, you'll just see the same results again. nnir doesn't
> support re-scanning, otherwise it seems like it would be reasonable to
> use M-g in an nnir group to refresh the results. I don't know if it's
> possible to implement `nnir-request-scan', or if it simply won't work
> for any ephemeral groups.
>
> To be honest, I just did a little testing, and I couldn't even get marks
> to propagate: I flagged a message (the "real" backend was nnimap),
> exited the group, and the flag wasn't there in the real group, nor in
> the nnir group when I re-ran the search.

Oh, that's because there's no nnimap-request-update-mark deffoo. There
is nnimap-request-set-mark, though -- I don't know why nnir doesn't use
that.