pull: move return code in the pull operation object
With bundle2 we'll have multiple code path susceptible to be responsible for
adding changeset during the pull. We move it to the pull operation to simplify
this the coming logic. The one doing the adding the changegroup will set the
value.
all()
draft()
::tip
draft() and ::tip
0::tip
roots(0::tip)
author(lmoscovicz)
author(mpm)
author(lmoscovicz) or author(mpm)
tip:0
max(tip:0)
min(0:tip)
0::
min(0::)
roots((tip~100::) - (tip~100::tip))
::p1(p1(tip))::