040000 tree 3f8e1a017fcce7a5f4da6a124bc052440ec7acd0	awk
040000 tree 6091e2e1c2003bab0b648e0ad1c7c661ccfab899	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 28357624091a436261eace24d6c04e2cb8fc607c	tools