Re: Fix zero-object version-2 packs

> A pack-file can get created without any objects in it (to transfer "no 
> data" - which can happen if you use a reference git repo, for example, 
> or just otherwise just end up transferring only branch head information 
> and already have all the objects themselves).
>
> And while we probably should never create an index for such a pack, if we 
> do (and we do), the index file size sanity checking was incorrect.
>
> This fixes it.
>
> Reported-and-tested-by: Jocke Tjernlund <tjernlund@tjernlund.se>
> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
> ---
>
> Tjernlund <tjernlund@tjernlund.se> wrote:
>>
>> [SNIP patch]
>> 
>> Tested your patch and the error went away, many thanks