Pushing to launchpad tells you it is stacking when it isn't

[Andrew Bennetts]

John Arbash Meinel wrote:
[...]
> 
> Just to mention there was a bug when pushing to a stacked branch that it
> failed to set the "cache size", which caused the push to write every
> little request as a round trip. Andrew was debugging that one (the
> normal behavior is to build up 1MB before sending it).
> 
> I'm pretty sure he has a fix for it, I don't know if he's sent it into
> PQM yet.

That's <https://bugs.launchpad.net/bzr/+bug/294479>.  I just sent my patch to
the list for review, although it's not a very elegant solution.

-Andrew.