#!/bin/bash
# Copyright (C) 2019 Ian Kelling
# SPDX-License-Identifier: AGPL-3.0-or-later

if ! test "$BASH_VERSION"; then echo "error: shell is not bash" >&2; exit 1; fi
shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?. PIPESTATUS: ${PIPESTATUS[*]}" >&2' ERR

locked=false
if lock_info=$(xscreensaver-command -time); then
  if [[ $lock_info != *non-blanked* ]]; then
    locked=true
  fi
else
  locked=true
fi

if ! $locked; then
  btrbk run
fi