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+ Thu, 23 Sep 2010 10:01:59 +0200\r
+From: Sebastian Spaeth <Sebastian@SSpaeth.de>\r
+To: Notmuch developer list <notmuch@notmuchmail.org>\r
+Subject: notmuchsync default behavior change (was: notmuchsync: handling of\r
+ the deleted tag)\r
+In-Reply-To: <877hie4o1w.fsf@raven.defaultvalue.org>\r
+References: <87bp7vewa5.fsf@raven.defaultvalue.org>\r
+ <87mxrcsb8a.fsf@SSpaeth.de> <87r5gnomt2.fsf@raven.defaultvalue.org>\r
+ <87zkvb4eiq.fsf@SSpaeth.de> <877hie4o1w.fsf@raven.defaultvalue.org>\r
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+Date: Thu, 23 Sep 2010 10:01:54 +0200\r
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+\r
+--=-=-=\r
+\r
+On 2010-09-22, Rob Browning wrote:\r
+> In general, I think that until/unless notmuchsync can be more assured of\r
+> doing the right thing, and in particular, if the deleted tag is likely\r
+> to become official, notmuchsync should default to not setting it.\r
+> ...or at least, I'd prefer that. Then I can add --tag-deleted if/when I\r
+> want to. Of course defaulting to --tag-deleted would also be OK, as\r
+> long as there's a --no-tag-deleted.\r
+\r
+notmuchsync does not want to delete anyones' e-mails by accident and\r
+although I believe that syncing the "deleted" tag should usually be\r
+safe, I can think of situations with multiple copies of a mail where\r
+things could go wrong. I therefore disabled syncing of the maildir flag\r
+"trashed" and the notmuch tag "deleted" by default. It has to be\r
+explicitly be enabled with the new --sync-deleted option.\r
+\r
+Sebastian\r
+\r
+------------------------------------------------------------------\r
+For reference, this could be a szenario where things turn out bad:\r
+\r
+- Send a mail with FCC to your Sent folder and BCC yourself. You have\r
+then 2 mail copies with the same mail id (1 notmuch entry)\r
+\r
+- "Expire" your BCC copy via some mail/webclient, it gets maildir flag\r
+"T"\r
+\r
+- notmuch --revsync will examine new mails and in case the BCC copy is\r
+what notmuch points to, notmuchsync will then add the notmuch tag\r
+"deleted" to that mail id.\r
+\r
+- notmuchsync --prune deletes the BCC mail copy but does not remove the\r
+ "deleted" tag in the notmuch db (it probably should for safety\r
+ reasons).\r
+\r
+- 'notmuch new' will now recognize the BCC copy as removed and point to the\r
+ "Sent/FCC" copy as the current file, but it still carries the "deleted"\r
+ tag for the mail.\r
+\r
+- notmuchsync --prune will happily delete your Sent/FCC copy of the\r
+ mail, or notmuchsync --sync will mark your Sent/FCC copy with the\r
+ "expired" maildir flag.\r
+\r
+--=-=-=\r
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+--=-=-=--\r
projects / notmuch-archives.git / commitdiff