040000 tree 6039ee08f2d849aa4fae122d5b4605f87b6d3e05	bbr
040000 tree d186325af7b85acbed1eecd897c55449d21e7b46	bbsim
040000 tree af41f549d276182980b8b9165dace3fe770049f2	bbsimctl
040000 tree c1f55dcd15fdfe1b7a80641043dbeb1dc23ec224	common