Marshmallow porting

hi everyone

i’m trying to porting a android Marshmallow on Beaglebone black refer to https://docs.google.com/viewer?a=v&pid=forums&srcid=MTczNzY5MjQ0Njg2MjQ5NDgzODcBMTY2Mzc1OTI0NTUyMjYzMDU0NzQBODJhQXVnSF9EQUFKATAuMQEBdjI

but i have problem regarding git
actually i’m lacking in git

below is my situation i dont know what i have to check

please help and share tip

Thanks