+alt_repos=""
+delete_src=1
+
+while getopts ":a:b:g:n" opt; do
+ case $opt in
+ a) ARCH=$OPTARG
+ ;;
+ b) branch=$OPTARG
+ ;;
+ g) alt_repos="-g $OPTARG"
+ ;;
+ n) delete_src=0
+ ;;
+ \?) echo "Invalid option: -$OPTARG"
+ echo_usage
+ exit 1
+ ;;
+ :) echo "Option -$OPTARG requires an argument."
+ echo_usage
+ exit 1
+ ;;
+ esac
+done