name: halo2 book

on:
  push:
    branches:
      - main

jobs:
  deploy:
    runs-on: ubuntu-18.04
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: nightly
          override: true

      - name: Setup mdBook
        uses: peaceiris/actions-mdbook@v1
        with:
          mdbook-version: 'latest'

      - name: Install mdbook-katex
        uses: actions-rs/cargo@v1
        with:
          command: install
          args: mdbook-katex

      - name: Build halo2 book
        run: mdbook build book/

      - name: Build latest rustdocs
        uses: actions-rs/cargo@v1
        with:
          command: rustdoc
          args: -- --cfg docsrs --html-in-header katex-header.html

      - name: Move latest rustdocs into book
        run: |
          mkdir -p ./book/book/rustdoc
          mv ./target/doc ./book/book/rustdoc/latest

      - name: Deploy to GitHub Pages
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./book/book