From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <david@tethera.net>
Received: from localhost (localhost [127.0.0.1])
 by arlo.cworth.org (Postfix) with ESMTP id 779D86DE0EC5
 for <notmuch@notmuchmail.org>; Sun,  3 Mar 2019 17:54:48 -0800 (PST)
X-Virus-Scanned: Debian amavisd-new at cworth.org
X-Spam-Flag: NO
X-Spam-Score: -0.01
X-Spam-Level: 
X-Spam-Status: No, score=-0.01 tagged_above=-999 required=5 tests=[AWL=-0.009, 
 SPF_PASS=-0.001] autolearn=disabled
Received: from arlo.cworth.org ([127.0.0.1])
 by localhost (arlo.cworth.org [127.0.0.1]) (amavisd-new, port 10024)
 with ESMTP id BPjbRe2-i4K3 for <notmuch@notmuchmail.org>;
 Sun,  3 Mar 2019 17:54:47 -0800 (PST)
Received: from fethera.tethera.net (fethera.tethera.net [198.245.60.197])
 by arlo.cworth.org (Postfix) with ESMTPS id 51D4A6DE0C3D
 for <notmuch@notmuchmail.org>; Sun,  3 Mar 2019 17:54:47 -0800 (PST)
Received: from remotemail by fethera.tethera.net with local (Exim 4.89)
 (envelope-from <david@tethera.net>) id 1h0coW-0002Su-IJ
 for notmuch@notmuchmail.org; Sun, 03 Mar 2019 20:54:44 -0500
Received: (nullmailer pid 7439 invoked by uid 1000);
 Mon, 04 Mar 2019 01:54:42 -0000
From: David Bremner <david@tethera.net>
To: notmuch@notmuchmail.org
Subject: Re: WIP2: index user headers
In-Reply-To: <87fts4xazk.fsf@tethera.net>
References: <20190302154133.25642-1-david@tethera.net>
 <87fts4xazk.fsf@tethera.net>
Date: Sun, 03 Mar 2019 21:54:42 -0400
Message-ID: <8736o3xv31.fsf@tethera.net>
MIME-Version: 1.0
Content-Type: text/plain
X-BeenThere: notmuch@notmuchmail.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Use and development of the notmuch mail system."
 <notmuch.notmuchmail.org>
List-Unsubscribe: <https://notmuchmail.org/mailman/options/notmuch>,
 <mailto:notmuch-request@notmuchmail.org?subject=unsubscribe>
List-Archive: <http://notmuchmail.org/pipermail/notmuch/>
List-Post: <mailto:notmuch@notmuchmail.org>
List-Help: <mailto:notmuch-request@notmuchmail.org?subject=help>
List-Subscribe: <https://notmuchmail.org/mailman/listinfo/notmuch>,
 <mailto:notmuch-request@notmuchmail.org?subject=subscribe>
X-List-Received-Date: Mon, 04 Mar 2019 01:54:48 -0000

David Bremner <david@tethera.net> writes:

> I had another thought about user prefixes. I wonder if they should all
> be forcibly prefixed with something that prevents collisions, to prevent
> later pain if we add an "official" prefix with the same name. A quick
> tests suggest it would work to use something like _
>
> so
>
>         notmuch search --output=files _list:notmuch
>
> works. It's a bit ugly, I'll have to play with other options; the main
> question is whether we think prefixing is needed / worth-it.

I played with the query parser a bit, and the only idea I found so far
is to reserve prefixes starting with lower case ASCII for notmuch, and
allow users to use anything else.

d