#!/bin/sh
# backup healthcheck (SPEC §10.2): healthy when /backups/last-success is newer than 26 hours, or when no run is due
# yet since the container started (started less than 26 hours ago).
limit=$((26 * 3600))
now=$(date +%s)
marker=${BACKUP_DIR:-/backups}/last-success
if [ -f "$marker" ] && [ $((now - $(stat -c %Y "$marker"))) -lt "$limit" ]; then
  exit 0
fi
if [ -f /tmp/kvitt-started ] && [ $((now - $(cat /tmp/kvitt-started))) -lt "$limit" ]; then
  exit 0
fi
echo "no successful backup in the last 26 hours"
exit 1