#! /bin/sh set -e -x # Send HUP signal to CUPS echo "==> Sending HUP to CUPS" PID=$(cat "${SNAP_COMMON}/pid/cupsd.pid" || true) if [ -n "${PID}" ] && kill -0 "${PID}" 2>/dev/null; then kill -HUP "${PID}" else echo "==> No CUPS process found" fi