040000 tree 3d29a00ce7bd427b493e48f80d1647cbf9c64cb6	ant
040000 tree 616f6b0c21515ee6ee3a900ecbbd39518c13ed52	contrib
040000 tree 140bf20c0e57b9b7aa1c62a1dcbd4b28d18ad806	main
040000 tree 7f91dcaf640c8d0526a722b3b0ed8be91b2602f3	test