From: Andreas Ericsson <ae@op5.se>
Date: Thu, 19 Jan 2006 12:35:29 GMT
Subject: Re: New ref generates 8MB mail message
Message-ID: <43CF8791.6050705@op5.se>
In-Reply-To: <Pine.LNX.4.64.0601180810330.3240@g5.osdl.org>

Linus Torvalds wrote:
> 
> On Wed, 18 Jan 2006, Matthew Wilcox wrote:
> 
>>Based on the idea that a new branch is probably a branch off master, and
>>if it isn't, then at least sending a log vs master is better than a log
>>vs the beginning of time, I propose this patch:
> 
> 
> Actually, since the update hook _should_ be called before the ref has 
> actually been updated, it's probably much better to instead of this:
> 
> 
>>-	git-rev-list --pretty "$3"
>>+	git-rev-list --pretty "$3" ^master
> 
> 
> do something like this:
> 
> 	git-rev-list --pretty "$3" $(git-rev-parse --not --all)
> 
> which basically says: show any commits that are in the new ref, but are 
> not in _any_ other ref.
> 
> Untested, of course.
> 

Tested. It works fine and is, surprisingly, insanely fast.

-- 
Andreas Ericsson                   andreas.ericsson@op5.se
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231