040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 79c163a81672d94a474e7d46b49e4fb17469562d	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 15ef8fc156e25bce8b29fa59dcda563518539b36	tools