040000 tree 6039ee08f2d849aa4fae122d5b4605f87b6d3e05	bbr
040000 tree f967c51fa5c059f081444ba24ce3323773dfcd74	bbsim
040000 tree 9b71936130f68334a655f3db8b66d216c5d49497	bbsimctl
040000 tree c3f14d07567e09f696ea5fba9205ffd4fbbe9b9b	common