040000 tree 2c0d95a440c335264a0f957e2cf88c70776ec1da	android
040000 tree c01f943f76ea9f8d6bc3ddd1c11f467db9b8c6de	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree 2cbc2925ec7a522bd413db68eac4480164fa263d	tv-common