On Wed, Feb 13, 2008 at 03:30:44AM -0800, Junio C Hamano wrote:

quoted text
> > However, I wonder if this is the best approach. It would be nice if
> > there were a shorthand for "the empty tree" for diffing, so you could
> > just diff against that rather than HEAD, and have the regular plumbing
> > generate.
> 
> I guess you can set your worktree to an empty directory and run
> diff-files backwards, like perhaps:
> 
> 	mkdir /var/tmp/empty
>         (cd .git && GIT_WORK_TREE=/var/tmp/empty git diff -R)
> 
> Have I tried it?  No --- I am not sick enough to be motivated.

Actually, I thought of that already. It does work, though when I tried
it, I failed to 'cd .git' which broke it. But yes, I think it is a
nastier solution than just using the "virtual" empty tree.

-Peff
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