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Regal is a linter and language server for Rego, the language of Open Policy Agent (OPA).

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Files

Regal will run on files with the following extensions:
  • .rego

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Configuration

Regal uses a YAML configuration file located at .regal/config.yaml. CodeRabbit will use the default settings based on the profile selected if no configuration file is found.

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When we skip Regal

CodeRabbit will skip running Regal when:
  • No Rego files are found in the pull request.
  • Regal is already running in GitHub workflows.

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Profile behavior

CodeRabbit generates different Regal configurations based on the review profile:
  • Chill Mode: Uses a focused configuration with fewer rules enabled.
  • Assertive Mode: Uses a more comprehensive configuration with additional rules enabled.
If you provide your own config file (.regal/config.yaml), it will be used instead of the generated one.

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Disabled categories

Regal automatically disables the following categories:
  • style - style-related issues
  • testing - testing-related issues