040000 tree 6039ee08f2d849aa4fae122d5b4605f87b6d3e05	bbr
040000 tree 976616d03d8700b11ae1ec568d337a7352d6570f	bbsim
040000 tree 99841d1c11ff269663d7599f76ba7a32e6e12cad	bbsimctl
040000 tree 5c20138ddbb06e4eebf775fb976f012c62796993	common