Google releases Copybara, a tool for moving code between repositories

Google has open‑sourced a utility named Copybara. Copybara is designed to move code between different repository types. The project is hosted on GitHub for public collaboration. It supports common version‑control systems such as Git and Mercurial. Users can define transformation rules to adapt code during migration. The tool aims to simplify large‑scale codebase transfers. Documentation and examples are provided in the repository. Developers are encouraged to contribute enhancements via pull requests.