Do not mention using the default branch if using local.

setup.sh

@@ -47,7 +47,7 @@ if [[ ! -z $1 && $1 != "-"* ]]; then
 	usage 1
 fi
 
-if [[ $branch == "" ]]; then
+if [[ -z "$local" && "$branch" == "" ]]; then
 	echo "Using default branch $BRANCH."
 	branch="$BRANCH"
 fi