cfg/bin/sleep-until

#!/bin/bash
set -euo pipefail

source ${HOME}/bin/script_framework.sh

time=${1:-}
[ -z "${time}" ] && fail "No time specified"

tdiff=$(($(date -d "$1" +%s) - $(date +%s)))
[ $tdiff -gt 0 ] || tdiff=$((tdiff + 86400))

step "Sleeping ${tdiff}s until $(date -d "now + ${tdiff} seconds" "+%Y-%m-%d %H:%M:%S")..."
sleep ${tdiff}