040000 tree aa1eefb0002d1e9a098b33f6352272bcabe29308	fast
040000 tree 04fd0f1c468ec444a7859cb489560d39cf714edb	install_script
040000 tree 6a30b0733d57222d45f94c17c16cc2d969debb82	installation
040000 tree a2881414195512853f062ce7e670572e99bcc3d0	slow
040000 tree 8a0e18d1807fd5d7b9bcf3f035a3a45cfc64d537	sourcing