Ran

✓ Guardrail Linter Guardrails Stable Testing And Quality

linter.ran

Ensures linting was executed for the specified language. Fails if no lint data is found, indicating the linter was not configured or did not run.

linting code quality static analysis ci

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Compatible Integrations

This guardrail works with the following integrations. Click to see how to use Ran with each collector.

Ran + Go Collector Provides lint data for Go projects via golangci-lint

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Enable This Guardrail

Add the parent policy to your lunar-config.yml to enable this guardrail.

📄 lunar-config.yml

policies:
  - uses: github://earthly/lunar-lib/policies/linter@v1.0.0
    include: [ran]
    # with: ...

How This Guardrail Works

This guardrail is part of the Linter Guardrails policy. It evaluates data collected by integrations and produces a pass/fail check with actionable feedback.

When enabled, this check runs automatically on every PR and in AI coding workflows, providing real-time enforcement of your engineering standards.

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↓ Integrations Gather Data

Collectors extract metadata from code, CI pipelines, tool outputs, and scans

{ } Centralized as JSON

All data merged into each component's unified metadata document

✓ This Guardrail Checks Current

Ran runs and provides pass/fail feedback

Configuration Options

These inputs can be configured in your lunar-config.yml to customize how the parent policy (and this guardrail) behaves.

Input	Required	Default	Description
`language`	Required	—	Programming language to check (e.g., "go", "java", "python")
`max_warnings`	Optional	`0`	Maximum number of lint warnings allowed (0 = no warnings allowed)

Linter Guardrails

This guardrail is part of the Linter Guardrails policy, which includes 2 guardrails for testing and quality.

View Policy

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Ran