From: Greg Troxel <gdt@ir.bbn.com>
Date: Thu, 06 May 2010 18:38:31 GMT
Subject: Re: Any way to get complete diff up to a tag?
Message-ID: <rmiwrvgana0.fsf@fnord.ir.bbn.com>
In-Reply-To: <alpine.LFD.2.00.1005060955000.901@i5.linux-foundation.org>


Linus Torvalds <torvalds@linux-foundation.org> writes:

> Well, you don't strictly speaking have to "remember" it, you can always 
> just re-generate it. The most straightforward way to do that is probably
>
> 	git hash-object -t tree --stdin < /dev/null
>
> although I admit that maybe we could have some syntax for "git diff" that 
> would do the "diff against empty tree" automatically. It does seem to be 
> conceptually a reasonable thing to do.

How about 

  git diff empty..

as if empty is a tag for the empty revision?  It works for 'git
checkout' already.