040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 6ca8ea0b5919b372b3dd37de59d0cded265bffba	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 093e68fdd15381449b86df37b60d3c98bb49d936	tools