Add catalog update agent

update_catalog/skills/chart_updater/scripts/run.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+import argparse
+import json
+import os
+import sys
+from pathlib import Path
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--catalog-root", required=True)
+    parser.add_argument("--chart", required=True)
+    parser.add_argument("--repo", required=True)
+    parser.add_argument("--version", required=True)
+    parser.add_argument("--from-version", default=None)
+    args = parser.parse_args()
+
+    repo_root = os.environ.get("UPDATE_CATALOG_ROOT")
+    if repo_root:
+        sys.path.insert(0, str(Path(repo_root) / "src"))
+    else:
+        sys.path.insert(0, str(Path(__file__).resolve().parent))
+
+    from update_catalog.chart_updater import chart_updater  # type: ignore
+
+    out = chart_updater({
+        "catalog_root": args.catalog_root,
+        "chart": args.chart,
+        "repo": args.repo,
+        "version": args.version,
+        "from_version": args.from_version,
+    })
+    print(json.dumps(out, ensure_ascii=False, indent=2))
+
+
+if __name__ == "__main__":
+    main()