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+Date: Sun, 24 Nov 2013 22:10:11 -0500\r
+From: Austin Clements <amdragon@MIT.EDU>\r
+To: david@tethera.net\r
+Subject: Re: [PATCH 2/2] NEWS: News for big endian sha1 bug fix.\r
+Message-ID: <20131125031010.GK13399@mit.edu>\r
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+\r
+Quoth david@tethera.net on Nov 24 at 5:29 pm:\r
+> From: David Bremner <david@tethera.net>\r
+> \r
+> We could give more details about how to migrate tags, but I'm not sure\r
+> that it's a practical problem, or just a theoretical one.\r
+> ---\r
+> NEWS | 14 +++++++++++++-\r
+> 1 file changed, 13 insertions(+), 1 deletion(-)\r
+> \r
+> diff --git a/NEWS b/NEWS\r
+> index 3383ecf..31c6284 100644\r
+> --- a/NEWS\r
+> +++ b/NEWS\r
+> @@ -1,6 +1,18 @@\r
+> -Notmuch 0.17~rc1 (2013-11-20)\r
+> +Notmuch 0.17~rc2 (2013-xx-yy)\r
+> =============================\r
+> \r
+> +Incompatible change in SHA1 computation\r
+> +---------------------------------------\r
+> +\r
+> +Previously on big endian architectures like sparc and powerpc the\r
+> +computation of SHA1 hashes was incorrect. This meant that messages\r
+> +with overlong or missing message-ids were given different computed\r
+> +message-ids than on more common little endian architectures like i386\r
+> +and amd64. If you use notmuch on a big endian architecture, you are\r
+> +strongly advised to make a backup of your tags using `notmuch dump`\r
+> +before this upgrade. It should be possible to migrate the tags using a\r
+> +script.\r
+> +\r
+\r
+Should this mention how to find such messages? Something like\r
+\r
+ notmuch dump |\r
+ awk '/^notmuch-sha1-[0-9a-f]{40} / {system("notmuch search id:" $1)}'\r
projects / notmuch-archives.git / commitdiff