040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 4dd3da300d2ab91d181dc9bf84a137ad5f409278	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 64982b64ab3d3f3b8a0d95ce9dc6ad2db0b7c559	tools