#!/bin/sh set -e -u ipv6_success=1 ipv4_success=1 curl_wrapper="$(dirname "$0")/curl-wrapper.sh" "$curl_wrapper" -6 'https://seirdy.one/ip' || ipv6_success=0 echo "$curl_wrapper" -4 'https://seirdy.one/ip' || ipv4_success=0 echo if [ "$ipv6_success" = 0 ] && [ "$ipv4_success" = 0 ]; then echo "Failed to connect" exit 1 fi