040000 tree 6039ee08f2d849aa4fae122d5b4605f87b6d3e05	bbr
040000 tree 73c8da8a8fa44681f4249d6b78a85ca105e01b3f	bbsim
040000 tree 99841d1c11ff269663d7599f76ba7a32e6e12cad	bbsimctl
040000 tree 5c20138ddbb06e4eebf775fb976f012c62796993	common