pr.yml

name: pull_request

on:
  pull_request:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  # Build a fresh container for the PR.
  build-container:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      # Login against a Docker registry
      # https://github.com/docker/login-action
      - name: Log into registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v3

      # Build and push Docker image as "pandoc_test"
      # Only amd64, since we're just building a container
      # to be used below in the GH action runner.
      - name: Build and publish Docker image
        uses: docker/build-push-action@v5
        with:
          # Cache layers from the container repo.
          # This minimizes the amount of times we have to rebuild pandoc.
          # Read-only: Avoid cluttering up the cache on pull requests.
          cache-from: type=gha
          platforms: linux/amd64
          push: true
          tags: ghcr.io/trustedcomputinggroup/pandoc_test

  # Use the fresh container to render the samples.
  render-samples:
    needs: build-container
    uses: ./.github/workflows/render.yml
    with:
      container: ghcr.io/trustedcomputinggroup/pandoc_test
      container-version: latest
      input: guide.tcg
      workflow: pr