use update-ref instead of writing to HEAD
use update-ref instead of writing to HEAD

ierceg/peru,buildinspace/peru,nivertech/peru,nivertech/peru,enzochiau/peru,enzochiau/peru,scalp42/peru,scalp42/peru,olson-sean-k/peru,oconnor663/peru,buildinspace/peru,olson-sean-k/peru,oconnor663/peru,ierceg/peru