restic-systemd-automatic-backup/usr/local/sbin/restic_check.sh

#!/usr/bin/env bash
# Check my backup with  restic to Backblaze B2 for errors.
# This script is typically run by: /etc/systemd/system/restic-check.{service,timer}

# Exit on failure, pipe failure
set -e -o pipefail

source /etc/restic/env.sh

# Clean up lock if we are killed.
# If killed by systemd, like $(systemctl stop restic), then it kills the whole cgroup and all it's subprocesses.
# However if we kill this script ourselves, we need this trap that kills all subprocesses manually.
exit_hook() {
	echo "In exit_hook(), being killed" >&2
	jobs -p | xargs kill
	restic unlock
}
trap exit_hook INT TERM

# Remove locks from other stale processes to keep the automated backup running.
# NOTE nope, dont' unlock liek restic_backup.sh. restic_backup.sh should take preceedance over this script.
#restic unlock &
#wait $!

# Check repository for errors.
restic check --verbose &
wait $!