040000 tree 42336a7b247452054c00e599bcbbdc162793afc0	dummy
040000 tree f89529a1b44c296e1888bd7d6dc5a1508d21d106	linux
040000 tree e941b009c745ad0c25363e3f5a39dbd282f063ce	linux_blemesh
040000 tree 869d9a518f7aa123e5615bde2ced388d7e399cd7	nuttx