alpine/nginx.post-upgrade

#!/bin/sh

if [ -x /etc/init.d/nginx ]; then
    if [ -f /var/run/nginx.pid ]; then
        NGX_PID=`cat /var/run/nginx.pid`
        if kill -s 0 $NGX_PID 2>/dev/null; then
            service nginx upgrade || true
        fi
    fi
fi