name: Read the Docs PR preview
# Automatically edits a pull request's descriptions with a link
# to the documentation's preview on Read the Docs.

on:
  pull_request_target:
    types:
      - opened
    paths:
    - 'Doc/**'
    - '.github/workflows/doc.yml'

permissions:
  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: "cpython-previews"
          single-version: "true"