040000 tree dd4f8265351959a084bf754af03191ff4ff5013d	bbr
040000 tree 1c66dc265e31110083a8c5027ad81dfbb85d4fe5	bbsim
040000 tree ea1119547d8b50bf190ba0902da29071e0a49d72	bbsimctl
040000 tree 112d0e7b3050cfdc453902ebfd00f81e6e94ba3b	common