040000 tree a2225b2a2be4b7494518c1ac41541a2d23a9b973	arch
040000 tree 3c0b754d861c9dc138cbadbf66edd2cef0839937	hftest
040000 tree 0a5ba7bd64910b380d8d96c552848286046cd668	linux
040000 tree 00ecdad031e266e033dcd826bce915ae165f29dc	vmapi