queue_rules:
  - name: hotfix
    # Allow to update/rebase the original pull request if possible to check its mergeability,
    # and it does not create a draft PR if not needed
    allow_inplace_checks: True
    allow_checks_interruption: False
    speculative_checks: 1
    batch_size: 5
    # Wait a short time to embark hotfixes together in a merge train
    batch_max_wait_time: "2 minutes"
    conditions:
      # Mergify automatically applies status check, approval, and conversation rules,
      # which are the same as the GitHub main branch protection rules
      # https://docs.mergify.com/conditions/#about-branch-protection
      - base=main

  - name: high
    allow_inplace_checks: True
    allow_checks_interruption: True
    speculative_checks: 1
    batch_size: 5
    # Wait for a few minutes to embark high priority tickets together in a merge train
    batch_max_wait_time: "5 minutes"
    conditions:
      - base=main

  - name: low
    allow_inplace_checks: True
    allow_checks_interruption: True
    speculative_checks: 1
    batch_size: 5
    # Wait a bit longer to embark low priority tickets together in a merge train
    batch_max_wait_time: "10 minutes"
    conditions:
      - base=main

pull_request_rules:
  - name: move to hotfix queue when CI passes with 1 review and not WIP targeting main
    conditions:
      # This queue handles a PR if:
      # - it targets main
      # - is not in draft
      # - does not include the do-not-merge label
      # - is labeled with Critical priority
      - base=main
      - -draft
      - label!=do-not-merge
      - 'label~=^P-Critical'
    actions:
      queue:
        name: hotfix
        method: squash

  - name: move to high queue when CI passes with 1 review and not WIP targeting main
    conditions:
      # This queue handles a PR if:
      # - it targets main
      # - is not in draft
      # - does not include the do-not-merge label
      # - is labeled with High or Medium priority
      - base=main
      - -draft
      - label!=do-not-merge
      - or:
          - 'label~=^P-High'
          - 'label~=^P-Medium'
    actions:
      queue:
        name: high
        method: squash

  - name: move to low queue when CI passes with 1 review and not WIP targeting main
    conditions:
      # We don't need to check priority labels here, because the rules are evaluated in order:
      # https://docs.mergify.com/configuration/#pull-request-rules
      #
      # This queue handles a PR if:
      # - it targets main
      # - is not in draft
      # - is labeled with Low or Optional priority, or does not have a priority label,
      #   including automated dependabot PRs.
      - base=main
      - -draft
      - label!=do-not-merge
    actions:
      queue:
        name: low
        method: squash