ref: f012722592a5e09c3f280240844f0331b6d4123a 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