040000 tree d4033e7f18de7abd8087ea757ca466311105466d	bbr
040000 tree 0baad77e9a3a3268ad63d3a1e85ff2f326f8584b	bbsim
040000 tree bd57796fd2762a1617b2390de9870d15a8e0b919	bbsimctl
040000 tree facda1a4cd4d8250ff3224c1b70c073efe4fec70	common