Re: [PATCH] push: don't fetch commit object when checking existence

> Tom Hughes <tom@compton.nu> writes:
> 
>> If we're checking to see whether to tell the user to do a fetch
>> before pushing there's no need for us to actually fetch the object
>> from the remote if the clone is partial.
>>
>> Because the promisor doesn't do negotiation actually trying to do
>> the fetch of the new head can be very expensive as it will try and
>> include history that we already have and it just results in rejecting
>> the push with a different message, and in behavior that is different
>> to a clone that is not partial.
> 
> Interesting.  Is this something that is easily testable, perhaps by
> preparing a partial clone and try to push from there and checking
> the non-existence of the object after seeing that push failed?