delabeler.yml

name: "Pull Request Delabeler"

on:
  pull_request_target:
    # type 'opened' is not included, so maintainers can create PRs with labels
    # specified during creation.
    types: [edited, closed, reopened, synchronize, converted_to_draft]

jobs:
  triage:
    permissions:
      contents: read
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v7
        with:
          script: |
            const special = 'Review: Core +1'
            const labels = await github.rest.issues.listLabelsOnIssue({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo
            })

            if (!labels.data.map((x) => x.name).includes(special)) {
              return
            }

            github.rest.issues.removeLabel({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              name: [special]
            })