040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 2e25f48041a762257d4653f19245cc3f5aa48703	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 64982b64ab3d3f3b8a0d95ce9dc6ad2db0b7c559	tools