[PATCH 2 of 3 🚂] changegroup: use the `postclose` API on transaction

[Pierre-Yves David]

On 11/07/2014 04:41 PM, Gregory Szorc wrote:
> -  remote: changegroup hook:
>
> Does this mean that clients pushing will no longer see output from changegroup hooks? That's not BC.

No, the context is important.

      remote: transaction abort!
      remote: rollback completed
   -  remote: changegroup hook:

This mean we'll no longer run the changegroup hook after aborted 
transaction. Rephrased, we do not run changegroup hook for non-added 
changegroup.

-- 
Pierre-Yves David