040000 tree 6039ee08f2d849aa4fae122d5b4605f87b6d3e05	bbr
040000 tree b71e9c754b1e47a50c70767d32b0017c0e38698d	bbsim
040000 tree 99841d1c11ff269663d7599f76ba7a32e6e12cad	bbsimctl
040000 tree 55e958db25c0b49886dea00283cec407cf941277	common