#!/usr/bin/env bash
# Last-resort backup: if watch (and therefore keep) dies, start it again.
set -euo pipefail
ROOT="$(cd "$(dirname "$0")/.." && pwd)"
STATE="${KEEP_STATE:-$ROOT/data}"
mkdir -p "$STATE"
cd "$ROOT"
export KEEP_UNITS="${KEEP_UNITS:-$ROOT/units.json}"
export KEEP_STATE="$STATE"
while true; do
  echo "{\"t\":\"$(date -u +%Y-%m-%dT%H:%M:%SZ)\",\"event\":\"guard-start-watch\"}" >>"$STATE/guard.log"
  node src/watch.js >>"$STATE/guard.out" 2>&1 || true
  sleep 2
done