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+From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>\r
+To: David Bremner <david@tethera.net>, Notmuch Mail <notmuch@notmuchmail.org>\r
+Subject: Re: thread merge/split proposal\r
+In-Reply-To: <878u0l8uyv.fsf@zancas.localnet>\r
+References: <87mvp9uwi4.fsf@alice.fifthhorseman.net>\r
+ <87k2kdutao.fsf@alice.fifthhorseman.net> <878u0l8uyv.fsf@zancas.localnet>\r
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+Date: Mon, 11 Apr 2016 18:41:21 -0400\r
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+\r
+--=-=-=\r
+Content-Type: text/plain\r
+\r
+On Sun 2016-04-10 09:16:40 -0400, David Bremner wrote:\r
+> Daniel Kahn Gillmor <dkg@fifthhorseman.net> writes:\r
+>\r
+>> for (1) i'd propose that the join operation would be implemented by\r
+>> adding a new term type "join", which can be applied to any document.\r
+>> Its value is the message-id of a message that *should* be "in-reply-to"\r
+>> but wasn't.\r
+>\r
+> Having "split" terms or equivalently "signed" +-reference terms would\r
+> allow more general thread splitting, effectively updating (via a little\r
+> journal of additions and deletions) the references data stored in mail\r
+> file.\r
+\r
+I'm not sure what you mean by "signed" here (cryptographically signed?\r
+a term named "signed"? the idea that the term could be either positive\r
+or negative?), but i think your proposal is that we could have a\r
+"reference" term with a value of "+foo@example.com" or\r
+"-foo@example.com", instead of having a "join" term with value\r
+"foo@example.com" and a "split" term with value "foo@example.com"\r
+\r
+I'm not sure i see much of a difference between\r
+\r
+ a) introduce two new term types, "join" and "split", with unsigned\r
+ values\r
+\r
+and\r
+\r
+ b) introduce one new term type, "reference" with signed values\r
+\r
+> The implementation cost could not be that much higher than only\r
+> join/unjoin; a bit more work managing the terms attached to a document\r
+> to avoid contradictions.\r
+\r
+right -- and we'd need an understanding of the order in which these\r
+terms are applied if multiple possibly-conflicting terms are present.\r
+\r
+> Both versions probably complicate some peoples syncing solutions.\r
+\r
+both (a) and (b) complicate syncing solutions, but my original proposal\r
+of:\r
+\r
+ c) just introduce a new term type "join" with unsigned value\r
+\r
+is easy to sync, i think; i was going for the low-hanging fruit, and\r
+trying to not let it get caught up on the more-fully-featured\r
+arbitrary-split use case, though i understand the appeal of the generic\r
+approach.\r
+\r
+fwiw, i can do a really nasty workaround today to implement "join"\r
+between two messages:\r
+\r
+#### notmuch-join:\r
+--------------\r
+#!/bin/bash\r
+\r
+verify_exists() {\r
+ if ! notmuch search --output=files id:"$1" | grep -q . ; then\r
+ printf "message-id %s is not in your messages\n" "$1" >&2\r
+ exit 1\r
+ fi\r
+}\r
+\r
+verify_exists "$1"\r
+verify_exists "$2"\r
+\r
+jdir=$(notmuch config get database.path)/join\r
+mkdir -p "$jdir"\r
+z=$(mktemp "$jdir/join.XXXXXX")\r
+\r
+cat >"$z" <<EOF\r
+From: test@example.org\r
+Date: $(date -R)\r
+Message-Id: <$(uuidgen)@join.example.org>\r
+References: <$1>, <$2>\r
+Subject: join\r
+\r
+test\r
+EOF\r
+notmuch new\r
+rm "$z"\r
+notmuch new\r
+--------------\r
+\r
+And i note that this change is also not synced across dump/restore.\r
+\r
+So adding an explicit "join" document term (and figuring out how to\r
+represent it in "notmuch dump" and "notmuch restore") would be a strict\r
+improvement over the current situation, right?\r
+\r
+ --dkg\r
+\r
+\r
+--=-=-=\r
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projects / notmuch-archives.git / commitdiff