name: Label PRs for CI

# This workflow runs on pull requests that are opened or reopened.
on:
  pull_request_target:
    types: [opened, reopened]

# Sets the permissions for the GITHUB_TOKEN to allow adding labels.
permissions:
  pull-requests: write

jobs:
  labeler:
    runs-on: ubuntu-latest
    steps:
      - name: Add 'run-ci' label for authors with write access
        # This 'if' condition checks the PR author's association with the repository.
        # It proceeds only if the author is an OWNER, MEMBER, or COLLABORATOR.
        if: >
          contains(fromJson('["OWNER", "MEMBER", "COLLABORATOR"]'),
          github.event.pull_request.author_association)
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.addLabels({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              labels: ['run-ci']
            })