040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 31a4126ef5e966d78903e6ced4a7e94be357578f	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree bd1851689004f9f65f1933cba95293bd365de32f	tools