#!/bin/bash
# Copyright (C) 2019 Ian Kelling
# SPDX-License-Identifier: AGPL-3.0-or-later
if [ -z "$BASH_VERSION" ]; then echo "error: shell is not bash" >&2; exit 1; fi

if [[ $EUID != 0 ]]; then s=sudo; fi

set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR

hn=$(hostname -f)
source /a/bin/bash_unpublished/source-state
if [[ $HOSTNAME != "$MAIL_HOST" && $hn != li.b8.nz && ! $DISPLAY ]]; then
  exit 0
fi

cmd="$s /usr/sbin/checkrestart -p"
if [[ $($cmd | sed '/^Found 0 processes using old versions of upgraded files$/d' | wc -l) != 0 ]]; then
  $cmd
  echo "with -v:"
  $cmd -v
fi