darker ☆

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Description:
Apply Black formatting only in regions changed since last commit

Type: Formula | Latest Version: 3.0.0@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: formatter python black git pre-commit linting

Install: brew install darker

About:
Darker is a wrapper for the Black code formatter that formats only the lines changed since your last Git commit. This approach minimizes diffs and prevents unrelated formatting changes from cluttering code reviews. It integrates seamlessly with pre-commit hooks to enforce consistent formatting on modified code.

Key Features:

Formats only changed code regions
Integrates with Git and pre-commit hooks
Uses Black as the underlying formatter
Reduces noise in version control diffs

Use Cases:

Enforcing code style in legacy projects without massive reformatting
Maintaining clean pull requests with minimal diffs
CI/CD pipelines for incremental code quality checks

Alternatives:

Black – Formats entire files, which can create large diffs in legacy codebases
autopep8 – General-purpose formatter without Git-aware incremental formatting

License: BSD-3-Clause

Dependencies: python@3.14

Bottles available for: all

Version History

Detected	Version	Rev	Change	Commit