Unattended upgrades configuration

gistfile1.txt

#!/usr/bin/env bash

set -e
[[ $DEBUG ]] && set -x

conf=/etc/apt/apt.conf.d/50unattended-upgrades

if [[ ! -f $conf ]]; then
  echo "Cannot fine /etc/apt/apt.conf.d/50unattended-upgrades, is this an Ubuntu host?"
  exit 1
fi

if [[ ! -f ${conf}.orig ]]; then
  echo "Preparing backup before change $conf"
  cp ${conf} ${conf}.orig
fi


options="Unattended-Upgrade::MinimalSteps
Unattended-Upgrade::Remove-Unused-Kernel-Packages
Unattended-Upgrade::Remove-Unused-Dependencies"

for option in $options; do
  if ! egrep -q "^$option" $conf; then
    echo "missing option; $option"
    echo "$option \"true\";" >> $conf
  fi
done