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+ Tue, 18 Aug 2015 04:32:30 -0700 (PDT)\r
+From: Daniel Schoepe <daniel@schoepe.org>\r
+To: David Bremner <david@tethera.net>, notmuch@notmuchmail.org\r
+Subject: Re: [PATCH 3/5] cli/count: add --lastmod\r
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+Date: Tue, 18 Aug 2015 13:32:29 +0200\r
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+\r
+On Sat, 15 Aug 2015 12:42 +0200, David Bremner wrote:\r
+> For me compaction is a rare event, so having to take the fallback path\r
+> and do a full dump or whatever doesn't seem so bad. If you don't want to\r
+> have a fallback path, then I guess you need to guarantee externally that\r
+> no "bad changes" happen and either ignore the uuid's or copy them\r
+> forward in your external tool.\r
+>\r
+> Mainly though I think this will be fixed in Xapian. As it happens Xapian\r
+> developer Olly Betts is here at DebConf, and I discussed this problem\r
+> with him. According to Olly, in-progress / future versions of compact\r
+> will function in place, and guarantee the UUID is preserved. I'm not\r
+> sure of the timeline here, but given our scarce developer resources, I\r
+> think I'd rather wait for Olly to fix this.\r
+\r
+Okay, I'm convinced now. The series looks good to me otherwise.\r
+\r
+Best regards,\r
+Daniel\r