[BUG][0.16 blocker] HPSS raises NotLocalURL when there is no working tree

[John Arbash Meinel]

I was just trying:

jigglypuff % bzr push
bzr+ssh://juju/srv/bzr/public/branches/bzr/0.16-dev/rename_directory_105479
This transport does not update the working tree of:
bzr+ssh://juju/srv/bzr/public/branches/bzr/0.16-dev/rename_directory_105479/
Pushed up to revision 2452.

However that branch does not have a working tree.

I haven't dug into it deeply, but my guess is that '.open_workingtree()'
is raising NotLocalURL even though it hasn't checked whether or not
there is a remote working tree.

It should raise NoWorkingTree if there isn't one, and only raise
NotLocalURL if there *is* a working tree, but it *isn't* accessible.

This (IMO) is worth blocking 0.16rc1.

John
=:->