040000 tree 400dc802d7f5d4383e9ccafe93d6ab00fd4df14b	arch
040000 tree da392973ff7289bd77cd1e44b9dc8c5c531fd570	hftest
040000 tree ee77c13ffafe088e6b92c114b8bec31a4bc48f51	linux
040000 tree 207ce7164855f9b57b7f3fbb7342d5fff31805e5	vmapi