040000 tree e5c306a6e94885b399a720a921a86916f1d8bb89	alt-dummy
040000 tree 0407d82a3eb9a2b1603d67accc58a25013ca9c7a	alt-extra
040000 tree 6ed67e877eeffad725088822f630469b0184fee3	baremetal-override
040000 tree f1660fca881c967ef65cf8e8dc2d51a41bd328fa	spe
040000 tree 6e1487d7ec2682373fdb4bb5bf87b2d5130f9acf	test