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27 From: david@tethera.net
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28 To: notmuch@notmuchmail.org
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29 Subject: [PATCH 2/2] NEWS: News for big endian sha1 bug fix.
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30 Date: Sun, 24 Nov 2013 17:29:43 -0400
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34 References: <m2ob593g55.fsf@guru.guru-group.fi>
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50 From: David Bremner <david@tethera.net>
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52 We could give more details about how to migrate tags, but I'm not sure
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53 that it's a practical problem, or just a theoretical one.
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55 NEWS | 14 +++++++++++++-
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56 1 file changed, 13 insertions(+), 1 deletion(-)
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58 diff --git a/NEWS b/NEWS
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59 index 3383ecf..31c6284 100644
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63 -Notmuch 0.17~rc1 (2013-11-20)
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64 +Notmuch 0.17~rc2 (2013-xx-yy)
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65 =============================
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67 +Incompatible change in SHA1 computation
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68 +---------------------------------------
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70 +Previously on big endian architectures like sparc and powerpc the
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71 +computation of SHA1 hashes was incorrect. This meant that messages
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72 +with overlong or missing message-ids were given different computed
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73 +message-ids than on more common little endian architectures like i386
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74 +and amd64. If you use notmuch on a big endian architecture, you are
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75 +strongly advised to make a backup of your tags using `notmuch dump`
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76 +before this upgrade. It should be possible to migrate the tags using a
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79 Command-Line Interface
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80 ----------------------
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