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New toggle option for the `label` action

  • Rules

The current way of toggling a label using Mergify is usually to write 2 sets of conditions, such as:

pull_request_rules:
  - name: add ci-fail label when a CI fails
    conditions:
      - "#check-failure>0"
    label:
      add:
        - ci-fail


  - name: remove ci-fail label when no CI fail
    conditions:
      - -"#check-failure>0"
    label:
      remove:
        - ci-fail

As this can be quite cumbersome to write and maintain, it is now possible to toggle a label based on the conditions written a rule. The above example can be simplified with:

pull_request_rules:
  - name: toggle ci-fail label on CI failure
    conditions:
      - "check-failure>0"
    label:
      toggle:
        - ci-fail

This will add or remove the label ci-fail depending whether the rule matches or not.

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