#!/usr/bin/env bashset -euo pipefail ROOT=$(cd "$(dirname "$0")/.." && pwd)ZIP=${1:?"Usage: $0 CodexBar-<ver>.zip"}FEED_URL=${2:-"https://raw.githubusercontent.com/steipete/CodexBar/main/appcast.xml"}PRIVATE_KEY_FILE=${SPARKLE_PRIVATE_KEY_FILE:-}SPARKLE_CHANNEL=${SPARKLE_CHANNEL:-}if [[ -z "$PRIVATE_KEY_FILE" ]]; then  echo "Set SPARKLE_PRIVATE_KEY_FILE to your ed25519 private key (Sparkle)." >&2  exit 1fiif [[ ! -f "$ZIP" ]]; then  echo "Zip not found: $ZIP" >&2  exit 1fi ZIP_DIR=$(cd "$(dirname "$ZIP")" && pwd)ZIP_NAME=$(basename "$ZIP")ZIP_BASE="${ZIP_NAME%.zip}"VERSION=${SPARKLE_RELEASE_VERSION:-}if [[ -z "$VERSION" ]]; then  if [[ "$ZIP_NAME" =~ ^CodexBar-([0-9]+(\.[0-9]+){1,2}([-.][^.]*)?)\.zip$ ]]; then    VERSION="${BASH_REMATCH[1]}"  else    echo "Could not infer version from $ZIP_NAME; set SPARKLE_RELEASE_VERSION." >&2    exit 1  fifi NOTES_HTML="${ZIP_DIR}/${ZIP_BASE}.html"KEEP_NOTES=${KEEP_SPARKLE_NOTES:-0}if [[ -x "$ROOT/Scripts/changelog-to-html.sh" ]]; then  "$ROOT/Scripts/changelog-to-html.sh" "$VERSION" >"$NOTES_HTML"else  echo "Missing Scripts/changelog-to-html.sh; cannot generate HTML release notes." >&2  exit 1ficleanup() {  if [[ -n "${WORK_DIR:-}" ]]; then    rm -rf "$WORK_DIR"  fi  if [[ "$KEEP_NOTES" != "1" ]]; then    rm -f "$NOTES_HTML"  fi}trap cleanup EXIT DOWNLOAD_URL_PREFIX=${SPARKLE_DOWNLOAD_URL_PREFIX:-"https://github.com/steipete/CodexBar/releases/download/v${VERSION}/"} # Sparkle provides generate_appcast; ensure it's on PATH (via SwiftPM build of Sparkle's bin) or Xcode dmgif ! command -v generate_appcast >/dev/null; then  echo "generate_appcast not found in PATH. Install Sparkle tools (see Sparkle docs)." >&2  exit 1fi WORK_DIR=$(mktemp -d /tmp/codexbar-appcast.XXXXXX) cp "$ROOT/appcast.xml" "$WORK_DIR/appcast.xml"cp "$ZIP" "$WORK_DIR/$ZIP_NAME"cp "$NOTES_HTML" "$WORK_DIR/$ZIP_BASE.html" pushd "$WORK_DIR" >/dev/nullgenerate_appcast \  --ed-key-file "$PRIVATE_KEY_FILE" \  --download-url-prefix "$DOWNLOAD_URL_PREFIX" \  --embed-release-notes \  --link "$FEED_URL" \  "$WORK_DIR"popd >/dev/null if [[ -n "$SPARKLE_CHANNEL" ]]; then  python3 - "$WORK_DIR/appcast.xml" "$VERSION" "$SPARKLE_CHANNEL" <<'PY'import reimport sys path, version, channel = sys.argv[1], sys.argv[2], sys.argv[3]with open(path, "r", encoding="utf-8") as handle:    lines = handle.read().splitlines() target = f"<sparkle:shortVersionString>{version}</sparkle:shortVersionString>"try:    index = next(i for i, line in enumerate(lines) if target in line)except StopIteration as exc:    raise SystemExit(f"Could not find {target} in {path}") from exc for j in range(index, -1, -1):    if "<item" in lines[j]:        line = lines[j]        if "sparkle:channel" in line:            line = re.sub(r'sparkle:channel="[^"]*"', f'sparkle:channel="{channel}"', line)        else:            line = line.replace("<item", f'<item sparkle:channel="{channel}"', 1)        lines[j] = line        breakelse:    raise SystemExit(f"Could not find <item> for version {version} in {path}") with open(path, "w", encoding="utf-8") as handle:    handle.write("\n".join(lines) + "\n")PY  echo "Tagged ${VERSION} with sparkle:channel=\"${SPARKLE_CHANNEL}\""fi cp "$WORK_DIR/appcast.xml" "$ROOT/appcast.xml" echo "Appcast generated (appcast.xml). Upload alongside $ZIP at $FEED_URL"