040000 tree 68568d17c686cffcb4d2b955e4d7c9354b5ae72c	ar-tool
040000 tree bf429edc38e46af1ff76a60cf248c38d6a68a972	codechecker
040000 tree a3b5406b75f9cec5d88c15d6ac41a71395a1fa09	crc32sum
040000 tree 3a5e5f0728962d2c6c1182ab722ba7667eff6f98	fdt-patch-dm-verify