rules:
  - id: multi-line-message
    message: >-
      This rule has a multi-line message field, which may display poorly
      in a terminal. Consider ensuring it is on one line. For example,
      use `message: >-`, not `message: |`.
    languages: [yaml]
    patterns:
      - pattern-inside: "rules: [..., $RULE, ...]"
      - pattern: |
          message: "=~/[\\n\\r]/"
    severity: WARNING
    metadata:
      category: correctness
      technology:
        - semgrep
      references:
        - https://github.com/returntocorp/semgrep-rules/issues/1431