Jujutsu (jj): A Git-compatible Version Control Tool Built to Fix Git's Pain Points

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Jujutsu, also known as jj, is a new version control system developed by a Google team led by former Mercurial maintainer Martin von Zweigbergk, and is written in Rust for speed and cross-platform support. Unlike Git, jj eliminates the staging area by automatically snapshotting every file change, meaning users no longer need to run git add before committing. The tool works directly on existing Git repositories without requiring any migration, making it an additive layer rather than a replacement. Every operation in jj is fully reversible through a simple undo command backed by a complete operation log, addressing one of Git's most common sources of confusion. jj also introduces a 'bookmark' concept that behaves like a Git tag locally but converts to a Git branch when pushed to a remote.

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