040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree ee25a98e0999f03a3fe1a443eca390ce10b7cec7	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 829e8a3d957a5a38cd8f70345659cf95bedfb87f	tools