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+Date: Fri, 2 May 2014 11:18:01 -0400\r
+From: Austin Clements <amdragon@MIT.EDU>\r
+To: David Edmondson <dme@dme.org>\r
+Subject: Re: Add support for specifying tags during "notmuch new"\r
+Message-ID: <20140502151800.GC8365@mit.edu>\r
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+\r
+Quoth David Edmondson on May 02 at 9:15 am:\r
+> This patch set allows a user to specify a list of tags to be\r
+> added/removed to messages discovered during "notmuch new".\r
+> \r
+> Two use-cases are envisaged:\r
+> 1) A chunk of messages was just dumped into the configured\r
+> directory by hand, and the user doesn't want the 'inbox' tag\r
+> applied to them. Run 'notmuch new -inbox'.\r
+> 2) A periodic mail processing script wants to add new messages to\r
+> the database, then process those newly added messages to add\r
+> convenience tags, etc. without worrying about the user or other\r
+> instances of the script manipulating tags at the same time. Use\r
+> this approach:\r
+> KEY=$RANDOM\r
+> notmuch new +$KEY\r
+> notmuch tag +notmuch tag:$KEY and to:notmuch@notmuchmail.org\r
+> notmuch tag +gnus tag:$KEY and to:ding@gnus.org\r
+> ...\r
+> notmuch tag -$KEY tag:$KEY\r
+\r
+What happens when this script dies in the middle (say, your computer\r
+loses power or notmuch tag conflicts with something else on the write\r
+lock)? One advantage of the standard "new" tag approach is that it's\r
+easy to write a stateless post-new tagging script that can be killed\r
+at any point and restarted. (You're right that post-new has a\r
+concurrency issue, but we should fix that in its own right.)\r