#! bash

set -e
ionice -c 3 -p $$
renice -n 19 -p $$ > /dev/null

script="$(basename "${BASH_SOURCE[1]}" .sh)"

(
if ! flock -n -x 200; then
    echo "Failed to get a lock!"
    exit 1
fi

run_backup

) 200>"/run/lock/backup-${script}"