--- /dev/null
+Return-Path: <eg@gaute.vetsj.com>\r
+X-Original-To: notmuch@notmuchmail.org\r
+Delivered-To: notmuch@notmuchmail.org\r
+Received: from localhost (localhost [127.0.0.1])\r
+ by arlo.cworth.org (Postfix) with ESMTP id 3D7786DE0AC2\r
+ for <notmuch@notmuchmail.org>; Fri, 29 May 2015 14:57:01 -0700 (PDT)\r
+X-Virus-Scanned: Debian amavisd-new at cworth.org\r
+X-Spam-Flag: NO\r
+X-Spam-Score: 0.467\r
+X-Spam-Level: \r
+X-Spam-Status: No, score=0.467 tagged_above=-999 required=5 tests=[AWL=1.187, \r
+ RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01,\r
+ RCVD_IN_MSPIKE_WL=-0.01] autolearn=disabled\r
+Received: from arlo.cworth.org ([127.0.0.1])\r
+ by localhost (arlo.cworth.org [127.0.0.1]) (amavisd-new, port 10024)\r
+ with ESMTP id 8tTaLDo7_fLP for <notmuch@notmuchmail.org>;\r
+ Fri, 29 May 2015 14:56:59 -0700 (PDT)\r
+Received: from mail-wg0-f52.google.com (mail-wg0-f52.google.com\r
+ [74.125.82.52]) by arlo.cworth.org (Postfix) with ESMTPS id 0D0EF6DE0022 for\r
+ <notmuch@notmuchmail.org>; Fri, 29 May 2015 14:56:58 -0700 (PDT)\r
+Received: by wgez8 with SMTP id z8so73136690wge.0\r
+ for <notmuch@notmuchmail.org>; Fri, 29 May 2015 14:56:55 -0700 (PDT)\r
+X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;\r
+ d=1e100.net; s=20130820;\r
+ h=x-gm-message-state:date:from:subject:to:references:in-reply-to\r
+ :user-agent:message-id:mime-version:content-type\r
+ :content-transfer-encoding;\r
+ bh=OXwtGi3s1j8l/n8ju2PIwBXSjlkp4045dbNcC5+eQD4=;\r
+ b=Q1Teg4N+UX2pfGJQSD+CET1HIfrrRlexYRUudWQgYi7042Yfe+fdeytO9OAqk7RLEW\r
+ GxslTvvT1gmNbKJOPl97CfEsXDtuWL0NAZOqtvyray3YZUJ+5X+Lh4uGxrU3A04dKtdJ\r
+ i2s1lEpRxsgrNA2Bz/UPJ/7Vg1DB652SUpEINUkm+pR4EDn2ZcOiyf6KyCIOcF+ikEk8\r
+ uIE2V10Z8nS2Mxm28UxMHSlzsYRxgIi92j9UZuZVIJb8HRLevUCxQwWyV7GAWaw2iCFP\r
+ 1khq6x84OcNhJVrM+zbzE6ALEgQlJaZt/xU8zlEm1vm+s7GcRV3eNODFpJvEiz15jAAs\r
+ j/GQ==\r
+X-Gm-Message-State:\r
+ ALoCoQmy22xlgb9+/agTt6UnWyoldy6vlbWZ/DDUZ7SbsG/XN0ly8dka7RN1iai+DBSjaKPebfEr\r
+X-Received: by 10.194.103.130 with SMTP id fw2mr18174565wjb.130.1432936614679;\r
+ Fri, 29 May 2015 14:56:54 -0700 (PDT)\r
+Received: from localhost (216.89-20-249.enivest.net. [89.20.249.216])\r
+ by mx.google.com with ESMTPSA id u6sm10098557wja.40.2015.05.29.14.56.53\r
+ for <notmuch@notmuchmail.org>\r
+ (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);\r
+ Fri, 29 May 2015 14:56:53 -0700 (PDT)\r
+Date: Fri, 29 May 2015 21:56:51 +0000\r
+From: Gaute Hope <eg@gaute.vetsj.com>\r
+Subject: Revision tracking, round 2\r
+To: notmuch@notmuchmail.org\r
+References: <1428274754-1698-1-git-send-email-david@tethera.net>\r
+In-Reply-To: <1428274754-1698-1-git-send-email-david@tethera.net>\r
+User-Agent: astroid/vv0.3-5-ge2105be7 (https://github.com/gauteh/astroid)\r
+Message-Id: <1432936375-astroid-4-0i1n6yczs2-1520@strange>\r
+MIME-Version: 1.0\r
+Content-Type: text/plain; charset=utf-8; format=flowed\r
+Content-Transfer-Encoding: quoted-printable\r
+X-BeenThere: notmuch@notmuchmail.org\r
+X-Mailman-Version: 2.1.18\r
+Precedence: list\r
+List-Id: "Use and development of the notmuch mail system."\r
+ <notmuch.notmuchmail.org>\r
+List-Unsubscribe: <http://notmuchmail.org/mailman/options/notmuch>,\r
+ <mailto:notmuch-request@notmuchmail.org?subject=unsubscribe>\r
+List-Archive: <http://notmuchmail.org/pipermail/notmuch/>\r
+List-Post: <mailto:notmuch@notmuchmail.org>\r
+List-Help: <mailto:notmuch-request@notmuchmail.org?subject=help>\r
+List-Subscribe: <http://notmuchmail.org/mailman/listinfo/notmuch>,\r
+ <mailto:notmuch-request@notmuchmail.org?subject=subscribe>\r
+X-List-Received-Date: Fri, 29 May 2015 21:57:01 -0000\r
+\r
+Excerpts from David Bremner's message of April 6, 2015 0:59:\r
+> There is lots to tidy up here, but the series has balooned to 12 patches =\r
+since since Austin posted\r
+>\r
+> id:1413181203-1676-1-git-send-email-aclements@csail.mit.edu\r
+>\r
+> So I figure I better post it to get some feedback.\r
+>\r
+> These are unmodified from Austin's post\r
+> [WIP2 01/12] lib: Only sync modified message documents\r
+> [WIP2 02/12] lib: Add per-message last modification tracking\r
+> [WIP2 07/12] lib: Add "lastmod:" queries for filtering by last\r
+>\r
+> This has two small bug fixes, a typo and an extra * removed.\r
+> [WIP2 03/12] lib: API to retrieve database revision and UUID\r
+>\r
+> Together, the next 5 patches implement output format 3\r
+> [WIP2 04/12] cli: add type introspection to sprinter type\r
+> [WIP2 05/12] cli: add two sprinter utility functions\r
+> [WIP2 06/12] cli/show: add extra element to structured output for\r
+> [WIP2 08/12] cli/show: add lastmod to structured output\r
+> [WIP2 09/12] cli/search: add metadata element to structured output\r
+>\r
+> These two do a trivial convesion of parts of the emacs interface to use t=\r
+he new format:\r
+> [WIP2 10/12] emacs: convert notmuch-search to format-version 3\r
+> [WIP2 11/12] emacs: convert notmuch-tree to format-version 3\r
+>\r
+> Finally, add db-revision argument. I'm not sure about the name, but I\r
+> went with what Austin had written. This patch should probably be earlier=\r
+ in the sequence\r
+>\r
+> [WIP2 12/12] cli: add global option "--db-revision"\r
+\r
+I have been running your 'revision-tracking' branch from\r
+git://pivot.cs.unb.ca/notmuch for a week now, with heavy usage of the\r
+revision features (I used the old series before that). This has all\r
+worked without problems so far, and performance seems to be good.\r
+\r
+- gaute\r
+\r
+=\r