
Worked on the tw93/Mole repository to address disk usage issues caused by Yarn v1 cache accumulation on macOS systems. Developed a targeted shell script that cleans up the Yarn v1 global cache at ~/Library/Caches/Yarn/ without interfering with Yarn v2+ cache paths, ensuring smooth version switching for developers. Applied DevOps practices and shell scripting expertise to implement a cleanup function that mitigates multi-gigabyte cache growth on both developer machines and CI environments. This solution reduced maintenance overhead and improved build reliability, with clear commit documentation and traceability to support future maintenance and enhance the developer experience within the project.
Monthly summary for 2026-04 (tw93/Mole): Key features delivered: - Implemented Yarn v1 global cache cleanup on macOS to prevent excessive disk usage. The cleanup targets Yarn v1 cache at ~/Library/Caches/Yarn/ and ensures it does not compete with Yarn v2+ cache paths, reducing cache growth during version switching. Major bugs fixed: - Fixed a cache-bloat issue where Yarn v1 global cache would accumulate when Yarn v2+ is active, leading to multi-GB disk usage on developer machines and CI environments. Overall impact and accomplishments: - Reduced disk footprint and maintenance burden for developers and CI runners by preventing large, unused Yarn caches. The fix improves build reliability and developer experience when switching Yarn versions in the Mole project. Technologies/skills demonstrated: - macOS filesystem knowledge and Yarn cache architecture - Bug triage, targeted cleanup function implementation, and clear commit messaging - Traceability with commit reference and release notes to support future maintenance
Monthly summary for 2026-04 (tw93/Mole): Key features delivered: - Implemented Yarn v1 global cache cleanup on macOS to prevent excessive disk usage. The cleanup targets Yarn v1 cache at ~/Library/Caches/Yarn/ and ensures it does not compete with Yarn v2+ cache paths, reducing cache growth during version switching. Major bugs fixed: - Fixed a cache-bloat issue where Yarn v1 global cache would accumulate when Yarn v2+ is active, leading to multi-GB disk usage on developer machines and CI environments. Overall impact and accomplishments: - Reduced disk footprint and maintenance burden for developers and CI runners by preventing large, unused Yarn caches. The fix improves build reliability and developer experience when switching Yarn versions in the Mole project. Technologies/skills demonstrated: - macOS filesystem knowledge and Yarn cache architecture - Bug triage, targeted cleanup function implementation, and clear commit messaging - Traceability with commit reference and release notes to support future maintenance

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