linux-kernel - Link: tags for new submission -- UPDATE

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Date:	Fri, 08 Apr 2011 12:05:35 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
CC:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Link: tags for new submission -- UPDATE

On 04/07/2011 08:20 AM, H. Peter Anvin wrote:
> On 04/07/2011 08:03 AM, Peter Zijlstra wrote:
>>
>> D'0h ok.. but the scheme would work with any generated msgid, all we
>> need is to generate one for commits that lack a Link tag and insert it
>> using the prepare-commit-msg/commit-msg hooks and for the post-commit
>> hook to recognize it and use that actual msgid.
>>
>> The only thing to avoid is msgid collision, but given that MUAs already
>> have this problem all we need to do is borrow some of their logic.
>>
> 
> OK, this doesn't really need any hooks at all (the tip-bot is not a
> hook).  The committer is, and *has to be* responsible for getting the
> unique string into the Link: tag, through whatever means they feel is
> appropriate.
> 
> Based on the previous message, I'm going to modify the bot to recognize
> the pattern:
> 
> Link: http://lkml.kernel.org/r/tip-`ranpwd -l 24`@....kernel.org
> 
> ... to override the Message-ID.  It seems like the least ugly of a lot
> of ugly options.
> 

<<<< IMPORTANT CHANGE >>>>

Please use the format:

Link: http://lkml.kernel.org/n/tip-`ranpwd -l 24`@....kernel.org
                             ^

... with an "n" for "new" instead of "r" for "reference" instead.

This allows the bot to distinguish a "new submission" link from a
*reference* to a message that was created as a result of a new submission!

	-hpa


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