"Code migration is a repository-level transformation process that modernizes entire software projects to run on new platforms, frameworks, or runtime environments while preserving their original functionality and structure."
"Rather than focusing on isolated files or APIs, it operates across the full repository, spanning source code, dependencies, build systems, and configuration files."
Repository-level code migration transforms entire software repositories to new platforms, frameworks, or runtime environments while maintaining original functionality and structure. The process encompasses source code, dependency graphs, build systems, and configuration files, requiring coordinated modifications across modules and tooling. Automated analysis, refactoring, dependency updates, build adjustments, and comprehensive test preservation are central activities. Common challenges include resolving transitive dependencies, handling platform-specific APIs, ensuring build reproducibility, and minimizing developer disruption. Expected benefits include improved maintainability, security updates, access to modern runtime features, and smoother deployment. Effective migrations combine strong tooling, incremental changes, and rigorous configuration and test management.
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