040000 tree 439f28ff47d7c5c055a3112cf2ee8d2cce8f6400	debian-jessie
040000 tree 045827bc7b11d1a29d5cb55fb7a1d79e7e15c465	ubuntu-trusty
040000 tree 4a26b348db05fe0bd4fed5fa6194d15e3fe84b63	ubuntu-xenial