Andrew Finewolf refactored the Arch Linux packaging workflow for the LizardByte/Sunshine repository, focusing on improving build efficiency and flexibility. He introduced environment variable controls in the PKGBUILD script, enabling optional CUDA support and unit-test builds. This approach reduced unnecessary dependencies and build times for standard installations while preserving advanced functionality for specialized use cases. By leveraging Bash scripting and build system expertise, Andrew streamlined the packaging process, making it more maintainable and adaptable for continuous integration environments. His work addressed the need for scalable deployment options and demonstrated a solid understanding of packaging, shell scripting, and environment-driven configuration.