040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 257147123390f7d0b224993634d50c30dd5db4b2	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 81b8e1ecd2eaac163b2a6a948f6f049a1013ca6a	tools