Re: Question re undo

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+ Sat, 21 Nov 2015 14:57:36 +0200 (EET)\r
+From: Tomi Ollila <tomi.ollila@iki.fi>\r
+To: Bart Bunting <bart.bunting@ursys.com.au>, notmuch@notmuchmail.org\r
+Subject: Re: Question re undo\r
+In-Reply-To: <m2vb8wnx3z.fsf@ursys.com.au>\r
+References: <m2vb8wnx3z.fsf@ursys.com.au>\r
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+Date: Sat, 21 Nov 2015 14:57:35 +0200\r
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+On Sat, Nov 21 2015, Bart Bunting <bart.bunting@ursys.com.au> wrote:\r
+\r
+> Hi there,\r
+>\r
+> I've accidentally removed a bunch of tags in error and was dreaming\r
+> there may be a way to fix it :).\r
+>\r
+> Is there any way to restore tags as they were at a certain point in\r
+> time?\r
+\r
+some examination of lastmod: might help ?\r
+\r
+first run notmuch count --lastmod\r
+\r
+Then experiment with  `notmuch search lastmod:<num>` with "suitable"\r
+values of num to figure out of the messages that have been affected...\r
+\r
+Tomi\r
+\r
+> Even if not now after i've done it, is there anything that could have been\r
+> done at the time to fix the error?\r
+\r
+probably not.\r
+\r
+>\r
+> Kind regards\r
+> Bart\r
+> -- \r
+>\r