040000 tree 80171d9d3791fcfa8d6db57122c989b7c8c6f8ce	libhdfs
040000 tree e29633dac856954539d1015586236c705f4fb89e	librecordio
040000 tree f5b4dfbdc866c14585f8798ad5ba05d74fd27def	pipes
040000 tree fe590b41164858f0a85b0a3389f20ad06cd643fe	task-controller
040000 tree 72132c5a6ebc298dd26a3c6c1e4114bb2177e218	utils