From: Björn Steinbrink <b.steinbrink@gmx.de>
Date: Fri, 20 Nov 2009 02:35:40 GMT
Subject: Re: Hey - A Conceptual Simplication....
Message-ID: <20091120023540.GA17796@atjola.homenet>
In-Reply-To: <20091120014843.GB22556@dpotapov.dyndns.org>

On 2009.11.20 04:48:44 +0300, Dmitry Potapov wrote:
> On Wed, Nov 18, 2009 at 09:03:31PM -0500, George Dennie wrote:
> > 
> > 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. 
> 
> In Git, commits are not immutable.

Commit _are_ immutable. Like all git objects (blob, tree, commits, tag).
"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.

Björn