040000 tree 4c62d011b1676431b4a1e277c3233f0f58fd84be	commitgraph
040000 tree e9c0b79d9430002a8c74b980d60243afe42dde6c	dfs
040000 tree 86562839158a0a27c787fd1cfe7a715c4056acbe	file
040000 tree 0ca0d35e1aac16e599fefe3bf6274d992b8d9280	io
040000 tree 93dbda72aa365d765d2626dc153696c5bffbd3e1	memory
040000 tree a8a4af33b47e059a0aaaa71ad36683b993732f72	pack
040000 tree 3b950cc66fd0489ff9db00f06a4bd4c1df4ab3b7	reftable