Developed the initial macOS packaging for the ChatGPT Desktop application within the Saghen/nixpkgs repository, establishing a complete build and installation workflow tailored for the Nix ecosystem. The work included creating shell scripts to automate source fetching and release parsing, which streamlines future version updates and reduces manual intervention. By focusing on packaging, shell scripting, and system administration, the developer set up a maintainable process that aligns with existing platform packaging standards in nixpkgs. This foundational effort enables smoother future releases and ensures consistency across platforms, providing a reliable baseline for ongoing macOS support within the repository’s packaging infrastructure.