ruff/docs/installation.md
Charlie Marsh f6d6200aae
Rework the documentation to incorporate the Ruff formatter (#7732)
## Summary

This PR updates our documentation for the upcoming formatter release.

Broadly, the documentation is now structured as follows:

- Overview
- Tutorial
- Installing Ruff
- The Ruff Linter
    - Overview
    - `ruff check`
    - Rule selection
    - Error suppression
    - Exit codes
- The Ruff Formatter
    - Overview
    - `ruff format`
    - Philosophy
    - Configuration
    - Format suppression
    - Exit codes
    - Black compatibility
        - Known deviations
- Configuring Ruff
    - pyproject.toml
    - File discovery
    - Configuration discovery
    - CLI
    - Shell autocompletion
- Preview
- Rules
- Settings
- Integrations
    - `pre-commit`
    - VS Code
    - LSP
    - PyCharm
    - GitHub Actions
- FAQ
- Contributing

The major changes include:

- Removing the "Usage" section from the docs, and instead folding that
information into "Integrations" and the new Linter and Formatter
sections.
- Breaking up "Configuration" into "Configuring Ruff" (for generic
configuration), and new Linter- and Formatter-specific sections.
- Updating all example configurations to use `[tool.ruff.lint]` and
`[tool.ruff.format]`.

My suggestion is to pull and build the docs locally, and review by
reading them in the browser rather than trying to parse all the code
changes.

Closes https://github.com/astral-sh/ruff/issues/7235.

Closes https://github.com/astral-sh/ruff/issues/7647.
2023-10-20 23:08:26 +00:00

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Markdown

# Installing Ruff
Ruff is available as [`ruff`](https://pypi.org/project/ruff/) on PyPI:
```shell
pip install ruff
```
Once installed, you can run Ruff from the command line:
```shell
ruff check . # Lint all files in the current directory.
ruff format . # Format all files in the current directory.
```
For **macOS Homebrew** and **Linuxbrew** users, Ruff is also available as [`ruff`](https://formulae.brew.sh/formula/ruff)
on Homebrew:
```shell
brew install ruff
```
For **Conda** users, Ruff is also available as [`ruff`](https://anaconda.org/conda-forge/ruff) on
`conda-forge`:
```shell
conda install -c conda-forge ruff
```
For **Arch Linux** users, Ruff is also available as [`ruff`](https://archlinux.org/packages/community/x86_64/ruff/)
on the official repositories:
```shell
pacman -S ruff
```
For **Alpine** users, Ruff is also available as [`ruff`](https://pkgs.alpinelinux.org/package/edge/testing/x86_64/ruff)
on the testing repositories:
```shell
apk add ruff
```
[![Packaging status](https://repology.org/badge/vertical-allrepos/ruff-python-linter.svg?exclude_unsupported=1)](https://repology.org/project/ruff-python-linter/versions)