040000 tree 9012dcafb21b469caf9bab224349ad4e1c6149f5	2.0
040000 tree abd6db616aed6d053f50c8a2d5644f0f32b37de0	2.1
040000 tree 0d7dff75704a935ef1185636ed916703db53f85f	3.0
040000 tree 3d0a4ac504688af3954f241d99d7c6410a0b7092	4.0
040000 tree 648565b488a349cd275efd95c2d8eb8653294b36	stable-c