#!/bin/sh set -e AUTO_UPGRADE="/etc/apt/apt.conf.d/20auto-upgrades" # Source debconf library. . /usr/share/debconf/confmodule # Load configuration from disk, if it exists. if [ -e "$AUTO_UPGRADE" ]; then if grep -q 'APT::Periodic::Unattended-Upgrade "1";' $AUTO_UPGRADE ; then db_set unattended-upgrades/enable_auto_updates true elif grep -q 'APT::Periodic::Unattended-Upgrade "0";' $AUTO_UPGRADE ; then db_set unattended-upgrades/enable_auto_updates false fi fi db_input low unattended-upgrades/enable_auto_updates || true db_go