040000 tree d7a015c8aa8e70480c3130ab75a38bfda5685dcb	bbr
040000 tree f4a344748da0c150d47a617c4556f1c33a72a7c8	bbsim
040000 tree de32eb9beace093ec627d8275791b78614210fea	bbsimctl
040000 tree 832d48c286d912e3d9bae513d80c2c3a820bccec	common