040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree dfd43305e32fad09627e93aa8e5d1b8b93832fbf	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 5ebde19474c6f847554ca8a2f89a719c94e18d9b	tools