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#!/bin/sh
# See deb-postrm(5).

set -e

# Remove log file when dpkg is purged
remove_logfile() {
  local logdir="$DPKG_ROOT/var/log"

  rm -f "$logdir"/dpkg.log "$logdir"/dpkg.log.* 2>/dev/null
  rm -f "$logdir"/alternatives.log "$logdir"/alternatives.log.* 2>/dev/null
}

# Remove backward compatibility symlink alias when dpkg is removed.
remove_aliases() {
  local prog=start-stop-daemon

  if [ -L "$DPKG_ROOT/sbin/$prog" ]; then
    rm "$DPKG_ROOT/sbin/$prog"
  fi
}

# Version 1.22.0 stopped the systemd timer, which meant it would not run
# anymore.
fixup_systemd_timer() {
  if [ -d /run/systemd/system ]; then
    deb-systemd-invoke restart 'dpkg-db-backup.timer' >/dev/null || true
  fi
}

case "$1" in
remove)
  remove_aliases
  ;;
purge)
  remove_logfile
  ;;
upgrade)
  if dpkg --compare-versions "$2" gt 1.22.0~ &&
     dpkg --compare-versions "$2" le 1.22.1; then
    fixup_systemd_timer
  fi
  ;;
failed-upgrade|disappear|abort-install|abort-upgrade)
  ;;
*)
  echo "$0 called with unknown argument '$1'" 1>&2
  exit 1
  ;;
esac

# Automatically added by dh_installsystemd/13.14.1ubuntu5
if [ "$1" = remove ] && [ -d /run/systemd/system ] ; then
	systemctl --system daemon-reload >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.14.1ubuntu5
if [ "$1" = "purge" ]; then
	if [ -x "/usr/bin/deb-systemd-helper" ]; then
		deb-systemd-helper purge 'dpkg-db-backup.timer' >/dev/null || true
	fi
fi
# End automatically added section


exit 0