040000 tree a5087c68dce0f0d25ff2e330bb32cc990067df98	build
040000 tree 4042124cce6aff3536839120dda32917f55412f5	core
040000 tree 1106c60839205cf60b51eed9bcc1a0df8ecfc7f5	cpp
040000 tree ba7cfcd95973191045fa65d3824641f649b239e5	distrib