On Mon, 9 Sep 2013, Junio C Hamano wrote:

> Nicolas Pitre <n...@fluxnic.net> writes:
> 
> > Do we know the actual number of objects to send during the capability 
> > negociation?
> 
> No, and that is not what I meant.  We know upfront after capability
> negotiation (by seeing a request to give them a thin-pack) that we
> will send, in addition to the usual packfile, the prefix that
> carries that information and that is the important part.  That lets
> the receiver decide whether to _expect_ to see the prefix or no
> prefix.  Without such, there needs some clue in the prefix part
> itself if there are prefixes that carry information computed after
> capability negotiation finished (i.e. after "object enumeration").

In this case, if negociation concludes on "thin" and "pack-version=4" 
then that could mean there is a prefix to be expected.


Nicolas
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