040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 10f56de8dfe95fbd0dbc596eaab52432ca9af3a1	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree b3b83550023200628c1b3bc940ce26ef8cca7b2c	tools