deploy.yml

# Based on <https://github.com/rust-lang/mdBook/wiki/Automated-Deployment:-GitHub-Actions/6cd0e9edbaf9f5b3ae495ece9d48f4145d001d14>

name: Deploy
on:
  push:
    branches:
      - main

jobs:
  deploy:
    runs-on: ubuntu-latest
    permissions:
      contents: write  # To push a branch 
      pages: write  # To push to a GitHub Pages site
      id-token: write  # To update the deployment status
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Configure PATH
        run: |
          mkdir -p opt/mdbook
          mkdir -p opt/mdbook-mermaid
          echo "$(pwd)/opt/mdbook" >> $GITHUB_PATH
          echo "$(pwd)/opt/mdbook-mermaid" >> $GITHUB_PATH
      - name: Install latest mdbook
        run: |
          tag=$(curl 'https://api.github.com/repos/rust-lang/mdbook/releases/latest' | jq -r '.tag_name')
          case "$tag" in
            (v0.4.*) ;;
            (*)
              >&2 echo 'Error: latest version of mdbook is no longer ^0.4'
              exit 1
              ;;
          esac
          url="https://github.com/rust-lang/mdbook/releases/download/$tag/mdbook-$tag-x86_64-unknown-linux-gnu.tar.gz"
          curl -sSL "$url" | tar -xz --directory=./opt/mdbook
      - name: Install latest mdbook-mermaid
        run: |
          tag=$(curl 'https://api.github.com/repos/badboy/mdbook-mermaid/releases/latest' | jq -r '.tag_name')
          case "$tag" in
            (v0.13.*) ;;
            (*)
              >&2 echo 'Error: latest version of mdbook-mermaid is no longer ^0.13'
              exit 1
              ;;
          esac
          url="https://github.com/badboy/mdbook-mermaid/releases/download/$tag/mdbook-mermaid-$tag-x86_64-unknown-linux-gnu.tar.gz"
          curl -sSL "$url" | tar -xz --directory=./opt/mdbook-mermaid
      - name: Build book
        run: |
          mdbook build
      - name: Configure GitHub Pages
        uses: actions/configure-pages@v2
      - name: Upload artifact
        uses: actions/upload-pages-artifact@v1
        with:
          path: 'book'
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v1