name: CI
on:
  # Trigger the workflow on push or pull request,
  # but only for the main branch
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@main
    - name: Update rustup
      run: rustup self update
    - name: Install Rust
      run: |
        rustup set profile minimal
        rustup toolchain install 1.52 -c rust-docs
        rustup default 1.52
    - name: Install mdbook
      run: |
        mkdir bin
        curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.5/mdbook-v0.4.5-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=bin
        echo "$(pwd)/bin" >> ${GITHUB_PATH}
    - name: Report versions
      run: |
        rustup --version
        rustc -Vv
        mdbook --version
    - name: Run mdBook Build
      run: mdbook build
    - name: Deploy gh-pages
      if: ${{ github.ref == 'refs/heads/main' }}
      uses: peaceiris/actions-gh-pages@v3
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        publish_dir: ./book
        force_orphan: true
        enable_jekyll: true