name: Docs

on:
  push:
    branches:
      - master

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          persist-credentials: false
          fetch-depth: 0

      # Installs the latest stable rust, and all components needed for the rest of the CI pipeline.
      - name: Set up CI environment
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true

      # Sanity check: make sure the release builds
      - name: Build
        run: cargo build --verbose

      # Sanity check: make sure all tests in the release pass
      - name: Test
        run: cargo test --verbose

      # Generate docs
      # TODO: what does the last line here do?
      - name: Generate docs
        env:
          GH_ENCRYPTED_TOKEN: ${{ secrets.GH_ENCRYPTED_TOKEN }}
        run: |
          cargo doc --all --no-deps
          echo '<meta http-equiv=refresh content=0;url=vst/index.html>' > target/doc/index.html

      # Push docs to github pages (branch `gh-pages`)
      - name: Deploy
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: target/doc