ref: 150ec2d2802cd265619c260dd7c1fd339b3b76b6 dir: /scripts/get_waf.sh/
#! /bin/sh set -e set -x WAFURL=https://waf.io/waf-1.9.11 ( which wget > /dev/null && wget -qO waf $WAFURL ) || ( which curl > /dev/null && curl $WAFURL > waf ) chmod +x waf