Hi,

On Sat, 9 Dec 2006, Junio C Hamano wrote:

quoted text
> I think this is overkill that only helps a very narrow "empty tree" 
> special case that [PATCH 2/3] addresses, and can be easily and 
> incorrectly abused.  We do not want people to expect that reading many 
> trees from different revisions as "struct tree" objects and keeping all 
> of them in memory would magically speed up diff-tree, for example.
> 
> I'd prefer write_sha1_file() approach in Shawn's patch for its 
> simplicity at least for now.

Okay, after thinking about it, I agree. merge-recursive is really the only 
user for such a diff. So, I do not think EMPTY_TREE would be useful.

Ciao,
Dscho

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