040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 4dd3da300d2ab91d181dc9bf84a137ad5f409278	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 5798ed41e19a7b52501e9e42ab75789f7b095d4c	tools