040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 835f30e1d4bed1b2b7bbf57fd5167d852c6c6688	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 8b2d0170c786e62d2aed3f28e9dd76ffb57cf4fc	tools