rules_foreign_cc/.github/workflows/pages.yaml

name: Deploy mdBook
on:
  push:
    branches:
      - main
jobs:
  pages:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        # Create a job for each target triple
        include:
          - ref: main
          - ref: "0.4.0"
          - ref: "0.3.0"
          - ref: "0.2.0"
          - ref: "0.1.0"
    steps:
      - uses: actions/checkout@v2
        if: ${{ matrix.ref == 'main' }}
      - uses: actions/checkout@v2
        with:
          ref: ${{ matrix.ref }}
        if: ${{ matrix.ref != 'main' }}
      - name: Pin the release to main
        run: echo "RELEASE=main" >> $GITHUB_ENV
        if: ${{ matrix.ref == 'main' }}
      - name: Patch older branches
        run: |
          mkdir -p ${{ github.workspace }}/.github
          curl https://raw.githubusercontent.com/bazelbuild/rules_foreign_cc/main/.github/docs-${{ matrix.ref }}.patch > ${{ github.workspace }}/.github/docs-${{ matrix.ref }}.patch
          git apply ${{ github.workspace }}/.github/docs-${{ matrix.ref }}.patch          
        if: ${{ matrix.ref == '0.4.0' || matrix.ref == '0.3.0' || matrix.ref == '0.2.0' || matrix.ref == '0.1.0' }}
      - name: Install bazelisk
        run: |
          curl -LO "https://github.com/bazelbuild/bazelisk/releases/download/v1.9.0/bazelisk-linux-amd64"
          mkdir -p "${{ github.workspace }}/bin/"
          mv bazelisk-linux-amd64 "${{ github.workspace }}/bin/bazel"
          chmod +x "${{ github.workspace }}/bin/bazel"          
      - name: Generate docs
        run: |
          "${{ github.workspace }}/bin/bazel" run //:generate_docs
          "${{ github.workspace }}/bin/bazel" clean          
        working-directory: ${{ github.workspace }}/docs
      - name: Install mdbook
        run: |
          curl -LO "https://github.com/rust-lang/mdBook/releases/download/v0.4.10/mdbook-v0.4.10-x86_64-unknown-linux-gnu.tar.gz"
          mkdir -p "${{ github.workspace }}/bin/"
          tar -xvf mdbook-v0.4.10-x86_64-unknown-linux-gnu.tar.gz
          mv mdbook "${{ github.workspace }}/bin/mdbook"
          chmod +x "${{ github.workspace }}/bin/mdbook"          
      - name: mdbook build
        run: ${{ github.workspace }}/bin/mdbook build
        working-directory: ${{ github.workspace }}/docs
      - name: Save the newly built book
        uses: actions/upload-artifact@v2
        with:
          name: "${{ matrix.ref }}"
          path: ${{ github.workspace }}/docs/book
          if-no-files-found: error
      - name: Build root
        run: ${{ github.workspace }}/bin/mdbook build
        if: ${{ matrix.ref == 'main' }}
        working-directory: ${{ github.workspace }}/docs/root
      - name: Save the newly built book
        uses: actions/upload-artifact@v2
        with:
          name: "${{ matrix.ref }}-root"
          path: ${{ github.workspace }}/docs/root/book
          if-no-files-found: error
        if: ${{ matrix.ref == 'main' }}
  publish:
    needs: pages
    runs-on: ubuntu-latest
    steps:
    - name: Fetch artifacts (first root then others so the ordering is correct)
      uses: actions/download-artifact@v2
      with:
        name: main-root
        path: ${{ github.workspace }}/docs/book
    - name: Fetch artifacts (first root then others so the ordering is correct)
      uses: actions/download-artifact@v2
      with:
        path: ${{ github.workspace }}/docs/pages
    - name: Install pages
      run: mv ${{ github.workspace }}/docs/pages/* ${{ github.workspace }}/docs/book/
    - name: publish
      uses: peaceiris/actions-gh-pages@v3
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        publish_branch: docs
        publish_dir: ./docs/book