#!/bin/sh -e
[ -w /etc/ssl ] || {
printf '%s\n' "${0##*/}: root required to update cert." >&2
exit 1
}
cd /etc/ssl && {
curl -LO https://curl.haxx.se/ca/cacert.pem
mv -f cacert.pem cert.pem
printf '%s\n' "${0##*/}: updated cert.pem"