Formatting an entire 25 million line codebase overnight: the rubyfmt story
Stripe's Developer Productivity team rolled out rubyfmt, a Rust-based zero-config Ruby autoformatter, across 25 million lines of Ruby in one Saturday morning in 2024, after the project had been in flight since 2018 as Fable Tales's personal OSS work. The hard parts were Ruby itself (no Ruby parser e.. read more










