Re: [PATCH v3 04/10] notmuch-dump: add --format=(notmuch|sup)

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+Date: Sun, 15 Jan 2012 15:35:11 -0500\r
+From: Austin Clements <amdragon@MIT.EDU>\r
+To: David Bremner <david@tethera.net>\r
+Subject: Re: [PATCH v3 04/10] notmuch-dump: add --format=(notmuch|sup)\r
+Message-ID: <20120115203511.GB9385@mit.edu>\r
+References: <874nwxbkhr.fsf@zancas.localnet>\r
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+Cc: notmuch@notmuchmail.org, David Bremner <bremner@debian.org>\r
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+\r
+Quoth David Bremner on Jan 14 at  9:40 pm:\r
+> From: David Bremner <bremner@debian.org>\r
+> \r
+> sup is the old format, and remains the default.\r
+> \r
+> Each line of the notmuch format is "msg_id tag tag...tag" where each\r
+> space seperated token is 'hex-encoded' to remove troubling characters.\r
+> In particular this format won't have the same problem with e.g. spaces\r
+> in message-ids or tags; they will be round-trip-able.\r
+\r
+We definitely need a round-trip-able dump format.  Did you consider\r
+using JSON to allow for future flexibility (e.g., expansion of what we\r
+store in the database) and so we don't have to invent our own\r
+encodings?  A JSON format wouldn't necessarily be a reason *not* to\r
+also have this format, especially considering how\r
+shell-script-friendly this is (versus how shell-script-unfriendly JSON\r
+is), I'm just curious what trade-offs you're considering.\r
+\r
+You might want to call this format something more self-descriptive\r
+like "text" or "hextext" or something in case we do want to expand in\r
+the future.  "sup" is probably fine for the legacy format since that's\r
+set in stone at this point.\r