ref: bd973b052ad95d0c611a05d336e43831a52799cd dir: /scripts/get_waf.sh/
#! /bin/sh set -e set -x WAFURL=https://waf.io/waf-1.9.6 ( which wget > /dev/null && wget -qO waf $WAFURL ) || ( which curl > /dev/null && curl $WAFURL > waf ) chmod +x waf