During January 2025, contributed to the microsoft/git repository by enhancing Git’s garbage collection process with a safety-focused feature. Developed and integrated the --expire-to option for git gc, allowing pruned objects to be stored in a user-specified directory rather than deleted outright. Updated the default behavior of git gc --prune=now so that unreachable objects are merged into a cruft pack within the designated directory, improving storage hygiene and enabling easier audit and rollback for large repositories. This work involved C programming, command-line interface design, and shell scripting, supporting safer release engineering and operational stability in system administration contexts.