#!/bin/sh ver_new="$1" ver_old="$2" if [ "$(apk version -t "$ver_old" "1.2.23-r1")" = "<" ]; then cat 1>&2 <<-EOF * * Since 1.2.23-r1 package keepalived doesn't provide SNMP support. * If you need it, install package keepalived-snmp instead. * EOF fi