040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 916cb1c62be34352e51af2251f3d1dafb6dc1232	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 104e4f5b5056cdba2ccf53b93b275b0dbc92a555	tools