Re: [PATCH v2 15/16] index-pack: use nr_objects_final as sha1_table size

> Nicolas Pitre <nico@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").