040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 39e17e2d0ca8ab86df0cc6112a0bb8897d45a72d	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree a85d1d250edfdfa2f84c33d5873b7d3a81a1e338	tools