>> I currently work around the problem by adding a dummy empty branch, but
>> being able to use the revision 00000000 as a known reference to an empty
>> tree would come in really handy, and since it's already used at various
>> places in Git (post-receive hook and "git show" output, at least), it
>> would seem like a natural extension.
> The empty tree also has a name:
>
> $ git hash-object -t tree /dev/null
> 4b825dc642cb6eb9a060e54bf8d69288fbee4904
Yay!
git diff 4b825dc642cb6eb9a060e54bf8d69288fbee4904..d59cfff346c3e210adc26501f8cebf8da5ab2e7d
seems to give me the expected diff.
Thanks!
> And hopefully that explains why "000000" does not necessarily make a
> good placeholder for "the empty thing". There are multiple empty things,
> and it is not clear what:
> git diff 0000000 1234abcd
> means. Is 0000000 a tree? A blob?
Well, Git is the one who uses 000000 to refer to an empty thing, but
indeed it seems like it does inconsistently: it's sometimes used as the
"empty blob" and sometimes as an "empty tree".
Stefan
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