From: Philip Oakley <philipoakley@iee.org>
Date: Thu, 01 Sep 2011 21:00:38 GMT
Subject: Re: Rebase & Trailing Whitespace
Message-ID: <29267EE41F9343E68AAAE2C33AA40E1A@PhilipOakley>
In-Reply-To: <20110901023127.GB31838@sigill.intra.peff.net>

From: "Jeff King" <peff@peff.net>
> On Wed, Aug 31, 2011 at 04:55:03PM -0700, Hilco Wijbenga wrote:

> problems that still exist in your current tree, you can diff against the
> empty tree with --check, like:
>
>  git diff --check 4b825dc642cb6eb9a060e54bf8d69288fbee4904
>
> where "4b825dc..." is the well-known sha1 of an empty tree[1].
>

> [1] If you don't remember the empty tree sha1, you can always derive it
>    with:
>
>        git hash-object -t tree /dev/null
>

I've added this tip to the https://git.wiki.kernel.org/index.php/Aliases 
page

Philip