From: Johannes Sixt <j.sixt@viscovery.net>
Date: Thu, 06 May 2010 13:03:40 GMT
Subject: Re: Any way to get complete diff up to a tag?
Message-ID: <4BE2BE2C.8050403@viscovery.net>
In-Reply-To: <A612847CFE53224C91B23E3A5B48BAC74482E50DE7@xmail3.se.axis.com>

Am 5/6/2010 13:20, schrieb Peter Kjellerstedt:
> Björn Steinbrink
>> git internally knows about the empty tree, so you can use:
>> git diff 4b825dc642cb6eb9a060e54bf8d69288fbee4904 v1.7.1
>>
>> Björn
> 
> Thank you, that was useful. However, I need to be able to do this
> for an arbitrary repository, and that SHA seems to be specific for 
> the git repository. How do I get the SHA for the empty tree in an 
> arbitrary repository?

Aha, so you think Björn et.al. were able to guess the SHA1 for your
specific repository? ;)

No, the empty tree is the empty tree, and its name is as cited above, no
matter where in the universe you are.

-- Hannes