rules:
  - id: duplicate-pattern
    message: >-
      Two identical pattern clauses were detected.
      This will cause Semgrep to run the same pattern twice.
      Remove one of the duplicate pattern clauses.
    severity: ERROR
    languages: [yaml]
    patterns:
      - pattern-inside: "rules: [..., $RULE, ...]"
      - pattern-inside: |
          - pattern: $X
          ...
          - pattern: $X
          ...
      - pattern: |
          pattern: $X
    metadata:
      category: correctness
      technology:
        - semgrep