name: Read the Docs PR preview

on:
  pull_request_target:
    types:
      - opened

permissions:
  contents: read
  pull-requests: write

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  documentation-links:
    runs-on: ubuntu-latest
    steps:
      - uses: readthedocs/actions/preview@v1
        with:
          project-slug: "pep-previews"
          single-version: "true"