Re: [PATCH 9/9] add has: query prefix to search for specific properties
[notmuch-archives.git] / 52 / 5f48e23a54b1861c4417add87882c0dcd93e14
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41 Date: Sun, 24 Nov 2013 22:10:11 -0500\r
42 From: Austin Clements <amdragon@MIT.EDU>\r
43 To: david@tethera.net\r
44 Subject: Re: [PATCH 2/2] NEWS: News for big endian sha1 bug fix.\r
45 Message-ID: <20131125031010.GK13399@mit.edu>\r
46 References: <m2ob593g55.fsf@guru.guru-group.fi>\r
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82 \r
83 Quoth david@tethera.net on Nov 24 at  5:29 pm:\r
84 > From: David Bremner <david@tethera.net>\r
85\r
86 > We could give more details about how to migrate tags, but I'm not sure\r
87 > that it's a practical problem, or just a theoretical one.\r
88 > ---\r
89 >  NEWS | 14 +++++++++++++-\r
90 >  1 file changed, 13 insertions(+), 1 deletion(-)\r
91\r
92 > diff --git a/NEWS b/NEWS\r
93 > index 3383ecf..31c6284 100644\r
94 > --- a/NEWS\r
95 > +++ b/NEWS\r
96 > @@ -1,6 +1,18 @@\r
97 > -Notmuch 0.17~rc1 (2013-11-20)\r
98 > +Notmuch 0.17~rc2 (2013-xx-yy)\r
99 >  =============================\r
100 >  \r
101 > +Incompatible change in SHA1 computation\r
102 > +---------------------------------------\r
103 > +\r
104 > +Previously on big endian architectures like sparc and powerpc the\r
105 > +computation of SHA1 hashes was incorrect. This meant that messages\r
106 > +with overlong or missing message-ids were given different computed\r
107 > +message-ids than on more common little endian architectures like i386\r
108 > +and amd64.  If you use notmuch on a big endian architecture, you are\r
109 > +strongly advised to make a backup of your tags using `notmuch dump`\r
110 > +before this upgrade. It should be possible to migrate the tags using a\r
111 > +script.\r
112 > +\r
113 \r
114 Should this mention how to find such messages?  Something like\r
115 \r
116   notmuch dump |\r
117   awk '/^notmuch-sha1-[0-9a-f]{40} / {system("notmuch search id:" $1)}'\r