040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree daacefa99e230e1810eb70d07c124c42d73b27e5	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree cf7c21a0d03145d3579c69a373299a396fc220b4	tools