more Sparkle tests

hooks/pre-push

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+
+if [[ -n "${SKIP_RELEASE:-}" ]]; then
+  echo "⚙️  SKIP_RELEASE set — skipping automated release build."
+  exit 0
+fi
+
+should_release=false
+while read -r local_ref local_sha remote_ref remote_sha; do
+  [[ -z "${local_ref:-}" ]] && continue
+  if [[ "$local_ref" == "refs/heads/master" || "$remote_ref" == "refs/heads/master" ]]; then
+    should_release=true
+    break
+  fi
+done
+
+if [[ "$should_release" != true ]]; then
+  exit 0
+fi
+
+echo "🚀 Pre-push hook detected master — running release build..."
+"$ROOT_DIR/scripts/build_release.sh"
+
+APPCAST_PATH="$ROOT_DIR/Sparkle/appcast.xml"
+if ! git -C "$ROOT_DIR" diff --quiet "$APPCAST_PATH"; then
+  git -C "$ROOT_DIR" add "$APPCAST_PATH"
+  VERSION="$(python3 - "$ROOT_DIR/version.json" <<'PY'
+import json, sys
+with open(sys.argv[1], "r", encoding="utf-8") as handle:
+    data = json.load(handle)
+print(data.get("marketing_version", "dev"))
+PY
+)"
+  git -C "$ROOT_DIR" commit -m "chore: update Sparkle appcast for ${VERSION}" >/dev/null
+  echo "📝 Committed updated Sparkle appcast for ${VERSION}."
+fi
+
+echo "✅ Release build complete — continuing push."