preco

A partial reimplementation of pre-commit in Rust.

Important

Heavily just a proof-of-concept and work-in-progress. There are bits that could probably be trivially optimized and parallelized, but that's not happening yet.

Will run your Python and Node hooks on --all-files, but not much more.

Presently requires uv to be available for virtualenv creation (and pnpm for Node deps), has only been tested on a Mac, etc.

Acknowledgements

This project is naturally heavily inspired by the original pre-commit project, and borrows a lot of its ideas and the configuration formats (for compatibility).
As noted in the source for crates/identify, the filename and extension mappings are adapted from the pre-commit/identify library.
The basic Rust workspace, CLI and tracing was adapted from uv.

License

Preco is licensed under either of

Apache License, Version 2.0, (LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0)
MIT license (LICENSE-MIT or https://opensource.org/licenses/MIT)

at your option.

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in Preco by you, as defined in the Apache-2.0 license, shall be dually licensed as above, without any additional terms or conditions.

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