"""Placeholder for SQLite to PostgreSQL migration script."""
import argparse


def main():
    parser = argparse.ArgumentParser(description="Migrate SQLite data to PostgreSQL")
    parser.add_argument("--rsskeeper-db", required=True, help="Path to rssKeeper SQLite database")
    parser.add_argument("--dataclean-db", required=True, help="Path to dataClean SQLite database")
    parser.add_argument("--pg-url", required=True, help="PostgreSQL connection URL")
    parser.add_argument("--dry-run", action="store_true", help="Dry run without writing")
    args = parser.parse_args()

    print(f"Migrating from {args.rsskeeper_db} and {args.dataclean_db} to {args.pg_url}")
    print("This is a placeholder. Full implementation will be added in a later phase.")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())