040000 tree a2225b2a2be4b7494518c1ac41541a2d23a9b973	arch
040000 tree cb1f735c1a34832ebfe15390a0ed5f0fb1c709b4	hftest
040000 tree 0a5ba7bd64910b380d8d96c552848286046cd668	linux
040000 tree 053c2dd3afaaadbec5bf33be4183024dfbc167c4	vmapi