Remove --line-length option from format command

[MichaReiser]

Summary

This PR removes the undocumented --line-length setting from the format command.
The main reason is that we should either support all formatter options or none of them. I would prefer not supporting formatter options via the CLI.

We can reintroduce the option in the beta based on user feedback.

Test Plan

cargo run --bin ruff -q -- format . --line-length=100
error: unexpected argument '--line-length' found

[MichaReiser]

Current dependencies on/for this PR:

• main
  • PR Remove --line-length option from format command #8131 👈

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[github-actions]

PR Check Results

Ecosystem

✅ ecosystem check detected no changes.

[pipme]

So what is the way to set a global line length that works across projects in VS Code? astral-sh/ruff-vscode#6

[MichaReiser]

You can use --config line-length=100 in the most recent version of ruff

[pipme]

Em, it seems not working. Is the following correct? I am using ruff v0.2.2.

  "ruff.path": ["/opt/homebrew/bin/ruff"],
  "ruff.args": [
    "--config",
    "line-length=100"
  ],

[MichaReiser]

The option should either be ruff.lint.args or ruff.format.args. See configuring ruff

[pipme]

Thanks! "ruff.format.args": ["--config", "line-length=79"] works.