Robuta

https://lists.ubuntu.com/archives/bazaar/2011q3/073415.html make_branch_and_tree support for workingtree-less control directories tree support make branch less control https://lists.ubuntu.com/archives/bazaar/2013q4/075743.html No WorkingTree exists after branching exists branching https://lists.ubuntu.com/archives/bazaar/2013q4/075763.html No WorkingTree exists after branching exists branching