040000 tree 8dde3508d4721025cd9774058ed9bd600025d592	fast
040000 tree 04fd0f1c468ec444a7859cb489560d39cf714edb	install_script
040000 tree 6e55b45ca4b285489689d66791ce0c005ce0ccd6	installation
040000 tree 691cdfc0738bdb8e71764580180b1dafda6ee7d1	slow
040000 tree 8a0e18d1807fd5d7b9bcf3f035a3a45cfc64d537	sourcing