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040000 tree 6c1d284594cd39b2e97ae1db9e6accc98891e694	kernel
040000 tree 7f1221a7babc0a6a3c585d362e3b08662ead1d85	opengles
040000 tree b8868e923e6472599b8bfa4b8fa488c830b9d09d	u-boot