From: Jakub Narebski <jnareb@gmail.com>
To: Joe Perches <joe@perches.com>
Cc: LKML <linux-kernel@vger.kernel.org>, git <git@vger.kernel.org>,
mercurial@selenic.com, Marti Raudsepp <marti@juffo.org>
Subject: Re: git vs hg commit counts?
Date: Mon, 26 Oct 2009 18:14:43 -0700 (PDT) [thread overview]
Message-ID: <m3zl7dd4g6.fsf@localhost.localdomain> (raw)
In-Reply-To: <1256602127.29938.8.camel@Joe-Laptop.home>
Joe Perches <joe@perches.com> writes:
> I'm comparing linux-kernel git vs hg repositories.
>
> While testing some changes to scripts/get_maintainer.pl,
> I noticed that git and hg have different commit counts
> for the same files.
>
> For instance:
>
> $ git log --since=1-year-ago -- MAINTAINERS | \
> grep -P "^commit [0-9a-f]{40,40}$" | wc -l
> 514
>
> $ hg log --template="commit {node}\n" --date -365 -- MAINTAINERS | \
> grep -P "^commit [0-9a-f]{40,40}$" | wc -l
> 601
>
> Anyone have any understanding why?
It *might* be caused by the fact that in Mercurial commit can have
only up to two parents. This means that octopus merges (merge commits
with more than two parents: there are a few of them in linux-kernel
history) have to be represented as a set of two-parent merges.
--
Jakub Narebski
http://stackoverflow.com/questions/1598759/git-and-mercurial-compare-and-contrast/1599930#1599930
prev parent reply other threads:[~2009-10-27 1:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-27 0:08 git vs hg commit counts? Joe Perches
2009-10-27 0:18 ` Junio C Hamano
2009-10-27 0:23 ` Joe Perches
2009-10-27 1:16 ` Marti Raudsepp
2009-10-27 4:14 ` Joe Perches
2009-10-27 1:14 ` Jakub Narebski [this message]
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