#!/usr/bin/env bash
set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
TARGET_FILE="$ROOT_DIR/website/assets/meta/release-notes.txt"

release_notes="${RELEASE_NOTES:-}"
release_notes_file="${RELEASE_NOTES_FILE:-}"

if [[ -n "$release_notes_file" ]]; then
  if [[ ! -f "$release_notes_file" ]]; then
    echo "RELEASE_NOTES_FILE does not exist: $release_notes_file" >&2
    exit 1
  fi
  cp "$release_notes_file" "$TARGET_FILE"
elif [[ -n "$release_notes" ]]; then
  printf '%s\n' "$release_notes" > "$TARGET_FILE"
else
  echo "Release notes are required. Use RELEASE_NOTES='- item 1\n- item 2' or RELEASE_NOTES_FILE=/path/to/file." >&2
  exit 1
fi

echo "Release notes updated"