From: Junio C Hamano <junkio@cox.net>
Date: Sat, 24 Feb 2007 09:30:18 GMT
Subject: Re: How to say HEAD~"all the way back - 1"
Message-ID: <7virdrzyvp.fsf@assigned-by-dhcp.cox.net>
In-Reply-To: <17887.10938.419368.304761@lisa.zopyra.com>

Bill Lear <rael@zopyra.com> writes:

> Exactly what I was after.  Something like:
>
> % git diff HEAD~-1
>
> or
>
> % git diff ^HEAD~0
>
> whatever ...

<amusement>

        $ git rev-parse HEAD~4096
        fatal: ambiguous argument 'HEAD~4096': unknown revision or path ...
        $ git rev-parse HEAD~2048
        231af8322...
        $ git rev-parse HEAD~3072
        723c31fea...
        $ git rev-parse HEAD~3584
        ....
        $ git rev-parse HEAD_3952
        e83c5163316f89bfbde7d9ab23ca2e25604af290

</amusement>

If you somehow need to know where the root is all the time, you
could do the above once and say:

	$ git tag root-commit e83c5163316f89bfbde7d9ab23ca2e25604af290