040000 tree a2225b2a2be4b7494518c1ac41541a2d23a9b973	arch
040000 tree 699abfb6fc55c13c275bba960cb89757256c9a72	hftest
040000 tree 0a5ba7bd64910b380d8d96c552848286046cd668	linux
040000 tree 1dd0d2ea8cad7ca9d7465bc307c39401fe3f3f04	vmapi