040000 tree d880d8ed5a426bddfdb8751609d01c1aafdfe518	cmake
040000 tree 025583c5225dc25f7f961698735fdc8211f65684	mps3
040000 tree 3fa7efd1a38d4c91c010099c5c0efcc6bf912a1c	py
040000 tree 205a4b8c280d9fac69229d4e42eb3e036a43871b	vela