"search --duplicate=2 --output=messages" is deranged

[David Bremner]

David Edmondson <dme at dme.org> writes:

> Consider:
>
> : disaster-area; notmuch search --output=files id:87hbph5yww.fsf at aw.hh.sledj.net
> /home/dme/Maildir/mail/list/notmuch/xx01550
> : disaster-area; notmuch search --duplicate=2 --output=files id:87hbph5yww.fsf at aw.hh.sledj.net
> : disaster-area; notmuch search --duplicate=2 --output=messages id:87hbph5yww.fsf at aw.hh.sledj.net
> id:87hbph5yww.fsf at aw.hh.sledj.net
> : disaster-area; 
>
> There's only one file, but the last search which asks for results where
> there are more than one reports the message id.

For the record, this was fixed in commit 4366b9b88c63242

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