040000 tree 6039ee08f2d849aa4fae122d5b4605f87b6d3e05	bbr
040000 tree a919dd6dbbdd469e237ad64c5a79e9a2fb0ab559	bbsim
040000 tree 99841d1c11ff269663d7599f76ba7a32e6e12cad	bbsimctl
040000 tree 604324e8db340fd3c3ce0d8ba688c9074e3adafb	common