From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?iso-8859-1?Q?Bj=F6rn?= Steinbrink <B.Steinbrink@gmx.de>
Subject: Re: Hey - A Conceptual Simplication....
Date: Fri, 20 Nov 2009 03:35:40 +0100
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Cc: George Dennie <gdennie@pospeople.com>,
	'Jason Sewall' <jasonsewall@gmail.com>,
	'Jakub Narebski' <jnareb@gmail.com>,
	'Jan =?iso-8859-1?Q?Kr=FCger'?= <jk@jk.gs>, git@vger.kernel.org
To: Dmitry Potapov <dpotapov@gmail.com>
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On 2009.11.20 04:48:44 +0300, Dmitry Potapov wrote:
> On Wed, Nov 18, 2009 at 09:03:31PM -0500, George Dennie wrote:
> >=20
> > For example, the functional notion of the repository seems well
> > defined: a growing web of immutable commits each created as either =
an
> > isolated commit or more typically an update and/or merger of one or
> > more pre-existing commits.=20
>=20
> In Git, commits are not immutable.

Commit _are_ immutable. Like all git objects (blob, tree, commits, tag)=
=2E
"Rewriting" history actually means creating a new history (adding
objects), and then changing a ref (most often a branch head) to
reference the new instead of the old history.

Bj=F6rn