040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 14223cb7e11bbde0aa88a7ba3f84e9ddd64da62b	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree d10d0d4ed253b1d2829c7d344e90524f7be88f14	tools