040000 tree e5c306a6e94885b399a720a921a86916f1d8bb89	alt-dummy
040000 tree 0407d82a3eb9a2b1603d67accc58a25013ca9c7a	alt-extra
040000 tree 6ed67e877eeffad725088822f630469b0184fee3	baremetal-override
040000 tree e9ac933c4abf806fdd4b46ddcf582790e6285f2b	spe
040000 tree be53a46ef6036641905baa5fe74899c01e8a1dbd	test