publish-pages.yml

run-name: Publish GitHub pages
name: publish-pages

on:
  push:
    paths: [ "**" ]
  pull_request:

env:
  IMAGE_REPO: doldecomp/melee

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: "pages"
  cancel-in-progress: false

jobs:
  gen-pages:
    name: Generate pages
    runs-on: ubuntu-latest
    env:
      REGISTRY: ghcr.io
      OUTPUT: ${{github.workspace}}/output
    steps:
      - name: Get image name
        env:
          IMAGE_SUFFIX: gen-pages:latest
        run: |
          echo "IMAGE=$IMAGE_REPO/$IMAGE_SUFFIX" >> $GITHUB_ENV

      - name: Checkout Melee repository
        uses: actions/checkout@v3

      - name: Set up GitHub Pages
        uses: actions/configure-pages@v4

      - name: Log into container registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Pull generator image
        run: docker pull ${{ env.REGISTRY }}/${{ env.IMAGE }}

      - name: Generate pages
        run: |
          mkdir -p "${{ env.OUTPUT }}"
          docker run --rm \
            --user "$(id -u):$(id -g)" \
            --volume "$PWD:/input:ro" \
            --volume "${{ env.OUTPUT }}:/output" \
            ${{ env.REGISTRY }}/${{ env.IMAGE }}

      - name: Upload GitHub Pages artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: ${{ env.OUTPUT }}

  deploy-pages:
    name: Deploy to GitHub Pages
    runs-on: ubuntu-latest
    needs: gen-pages
    if: github.ref_name == github.event.repository.default_branch
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}

    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4