Re: [PATCH v4 0/4] Maildir synchronization

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+From: Carl Worth <cworth@cworth.org>\r
+To: Michal Sojka <sojkam1@fel.cvut.cz>, notmuch@notmuchmail.org\r
+Subject: Re: [PATCH v4 0/4] Maildir synchronization\r
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+Date: Wed, 10 Nov 2010 12:48:32 -0800\r
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+On Wed, 10 Nov 2010 08:48:54 -0800, Carl Worth <cworth@cworth.org> wrote:\r
+> > Great. I've finished the additional tests, which I send as a reply to\r
+> > this mail. Some test are marked as broken because I do not want to touch\r
+> > C sources while you are woking on them.\r
+>=20\r
+> Thanks!\r
+\r
+I've now got these tests merged in locally, (and updated to work with\r
+the rest of my maildir-sync changes---I'm not reusing filenames like\r
+"msg-003" but instead using filenames associated with particular tests\r
+such as "duplicate-file" to avoid unintended dependencies and side\r
+effects between difference tests).\r
+\r
+> I'd like to see a similar test that starts with "some-message:2,RS" and\r
+> then copies it to "some-message". When we add this message would we\r
+> expect the "replied" tag to be removed and the "unread" tag added?\r
+\r
+I've added a test for this now. The direction my thoughts are headed is\r
+that adding a file like this will not result in tag changes. See below.\r
+\r
+> I'm still trying to work out exactly how the\r
+> notmuch_message_maildir_flags_to_tags function should be documented,\r
+> (whereas notmuch_message_tags_to_maildir_flags seems entirely\r
+> obvious).\r
+\r
+I'm thinking of documenting/implementing this such that the\r
+_flags_to_tags function merges (as a logical OR) the set of flags from\r
+all filenames for a given email message, and then computes tags from the\r
+final set. This does assume a particular kind of life-cycle for the\r
+flags, (that they are additionally unset, and once set for the logical\r
+message will not want to be cleared again). This lifecycle seems correct\r
+for things like the flags for "seen" or "replied" as documented in the\r
+original maildir specification.\r
+\r
+This behavior might be less appropriate if the flag support were\r
+generalized to a user-customizable set of flag<->tag mappings. But we're\r
+not dealing with this now, so I'll avoid getting bogged down by it.\r
+\r
+Further suggestions from anyone are welcome.\r
+\r
+=2DCarl\r
+\r
+=2D-=20\r
+carl.d.worth@intel.com\r
+\r
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