Grit: Rewriting Git in Rust with Agents
GitButler details using AI coding agents to rewrite Git in Rust with a new project called Grit.
GitButler's Grit project aims to rewrite Git's C codebase in Rust, leaning heavily on AI coding agents to accelerate the migration. The post shares first-hand observations on where agents excel—understanding Git's object model, generating idiomatic Rust—and where they fall short, such as ownership edge cases and hallucinated behavior. It serves as a rare real-world case study of AI-assisted rewriting of complex systems-level software.
GitButler 是由 GitHub 共同創辦人 Scott Chacon 帶領的團隊，長期深耕 Git 工具鏈開發。本篇部落格文章圍繞其新專案 Grit 展開——這是一個以 Rust 語言從零重寫 Git 的雄心計畫，目標是取代已有數十年歷史、以 C 語言撰寫的 Git 核心。
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