040000 tree 38c12a52bcbc0b727fce743d0659f5c66625997c	bbr
040000 tree f7b0dc28171b23a112cbefff03a88982919cc019	bbsim
040000 tree 0a187d66af4c683af332e3eeca9458f9ef58cc3c	bbsimctl
040000 tree a838fde137ef2b05c2d13a59ab7ac504309890c3	common