040000 tree 51f164feef46e93506d85ce7c1acd21aae6655eb	air-purifier-common
040000 tree ca341da1e52ea2d4aaa14b51c39cc2e2c5a1723a	ameba
040000 tree 385deafc8d2d7c924072a9e40bdf542baf533139	cc32xx
040000 tree cb2b8e9a60a7b0977bce9b141c81ed24df47701b	linux