040000 tree 400dc802d7f5d4383e9ccafe93d6ab00fd4df14b	arch
040000 tree 1f05d2e6a2eb5cd21784aad9098d7d230ab9b028	hftest
040000 tree ee77c13ffafe088e6b92c114b8bec31a4bc48f51	linux
040000 tree 049d717380ad5e6674088105bee41034bd619c8f	vmapi