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+ id 7CFD668056; Thu, 19 Apr 2012 12:31:58 +0300 (EEST)\r
+From: Tomi Ollila <tomi.ollila@iki.fi>\r
+To: Jani Nikula <jani@nikula.org>,\r
+ Felipe Contreras <felipe.contreras@gmail.com>\r
+Subject: Re: [PATCH v2 1/3] Add 'compose' command\r
+In-Reply-To: <8739819ey5.fsf@nikula.org>\r
+References: <1334752753-23970-1-git-send-email-felipe.contreras@gmail.com>\r
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+Date: Thu, 19 Apr 2012 12:31:58 +0300\r
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+Cc: Felipe Contreras <felipe.contreras@ngmail.com>, notmuch@notmuchmail.org\r
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+\r
+On Wed, Apr 18 2012, Jani Nikula <jani@nikula.org> wrote:\r
+\r
+> On Wed, 18 Apr 2012, Felipe Contreras <felipe.contreras@gmail.com> wrote:\r
+>> On Wed, Apr 18, 2012 at 5:20 PM, Jani Nikula <jani@nikula.org> wrote:\r
+>>> On Wed, 18 Apr 2012 16:34:30 +0300, Felipe Contreras <felipe.contreras@gmail.com> wrote:\r
+>>>> On Wed, Apr 18, 2012 at 4:06 PM, Jani Nikula <jani@nikula.org> wrote:\r
+>>>>\r
+>>>> > Running "notmuch compose" more than once within a second would result in\r
+>>>> > identical message ids for the messages, which is not a good idea. That's\r
+>>>> > not likely in interactive use, but the notmuch cli is highly scriptable,\r
+>>>> > so someone is bound to hit this.\r
+>>>> >\r
+>>>> > Some paranoid might also be worried about "leaking" the time you run\r
+>>>> > "notmuch compose"... which may be different from the actual time you\r
+>>>> > send the message.\r
+>>>>\r
+>>>> It's still better than the current situation; nothing. In any case,\r
+>>>> people that have not needed this would not be affected; their UI would\r
+>>>> override the Message-ID.\r
+>>>>\r
+>>>> So do you have a better suggestion for a Message-ID?\r
+>>>\r
+>>> The easy way would be to just use g_mime_utils_generate_message_id()\r
+>>> [1]. It doesn't give you any control of the part before @, but I'm not\r
+>>> sure if that really matters.\r
+>>\r
+>> This is what gmime does:\r
+>> g_strdup_printf ("%lu.%lu.%lu@%s", (unsigned long int) time (NULL),\r
+>> (unsigned long int) getpid (), count++, fqdn);\r
+>>\r
+>> Which actually has some of the issues you mentioned.\r
+>\r
+> Thanks for looking into gmime source. The implementation is a bit of a\r
+> disappointment.\r
+>\r
+>> I can do the same if you want (add pid and count). The advantage of\r
+>> using our own format is that not only would it be more unique, but it\r
+>> would not have "@fqdn".\r
+>\r
+> I'm starting to think doing our own would be the best, although I\r
+> wouldn't object to using the gmime implementation "for now".\r
+\r
+I think I would be disappointed if I had to use message id:s generated\r
+by gmime -- just that "time leakage" problem. I guess the message-id\r
+is usually generated just before the mail is sent so the date in message\r
+id and Date: header are about equal. If message id is generated one time\r
+and Date: another then the time taking to write an email leaks... (except\r
+if Date: is also generate at 'notmuch compose' execution time (uhh ;/) \r
+\r
+Anyway, gmime implementation or something having time(NULL).getpid()\r
+could be used "for now".\r
+\r
+>>> Alternatively you can write your own according to e.g. [2]. Glib appears\r
+>>> to have decent and portable support for pseudo random number\r
+>>> generation. But why bother? I'd go with gmime.\r
+>>\r
+>> But gmime doesn't have anything random. I would actually prefer to\r
+>> have something random though.\r
+>\r
+> Agreed.\r
+\r
+Me too.\r
+\r
+>\r
+>\r
+> BR,\r
+> Jani.\r
+\r
+Tomi\r
projects / notmuch-archives.git / commitdiff