FilmTailor Migrates Multiple Repos Into One Monorepo While Preserving Git History

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FilmTailor, a software team managing multiple services across separate repositories, decided to consolidate everything into a single monorepo to reduce context-switching and version-management overhead. The key challenge was merging repositories without discarding years of git history, including blame annotations, bisect capability, and release tags. The team used git-filter-repo, the tool now officially recommended by the Git project, to rewrite and preserve history during the migration. A monorepo also simplified shared code by replacing private package feeds with direct internal project references, eliminating the need to manually bump library versions across services. The team notes that Microsoft's Aspire orchestration tool currently lacks official multi-repo support, making a monorepo structure a more practical foundation for teams building with it.

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