iankelling.org Git - distro-setup/blob - filesystem/usr/local/bin/myupgrade

   1 #!/bin/bash
   2 # Copyright (C) 2019 Ian Kelling
   3 # SPDX-License-Identifier: AGPL-3.0-or-later
   4
   5 if [ -z "$BASH_VERSION" ]; then echo "error: shell is not bash" >&2; exit 1; fi
   6
   7 set -eE -o pipefail
   8 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
   9
  10 hn=$(hostname -f)
  11 source /a/bin/bash_unpublished/source-state
  12 if [[ $HOSTNAME == "$MAIL_HOST" || $hn == li.b8.nz ]]; then
  13   exit 0
  14 fi
  15
  16 cmd="$s /usr/sbin/checkrestart -p"
  17 if [[ $($cmd | sed '/^Found 0 processes using old versions of upgraded files$/d' | wc -l) != 0 ]]; then
  18   $cmd -v | pee cat "wall -n"
  19 fi
  20
  21 if [[ -s /var/log/checkrestart.log ]]; then
  22   for x in {30..1}; do
  23     echo "pid $PID. unattended upgrade, rebooting in $((x*10)) seconds" | wall -n
  24     sleep 10
  25   done
  26   for x in {30..1}; do
  27     if ! fuser /var/lib/dpkg/lock &> /dev/null; then
  28       echo "pid $PID. unattended upgrade, rebooting now" | pee cat "wall -n"
  29       /sbin/reboot
  30       exit 0
  31     fi
  32     echo "pid $PID. unattended upgrade reboot waiting 10 seconds for dpkg lock" | wall -n
  33     sleep 10
  34   done
  35   echo "pid $PID. dpkg locked for 5 minutes, automatic reboot failed" | pee cat "wall -n"
  36 fi