on:
  push:
    branches:
      - main

name: Documentation

jobs:
  deploy-docs:
    concurrency: deploy-docs
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - name: Toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true

      - name: Cache
        uses: Swatinem/rust-cache@v1

      - name: Clean docs dir
        run: rm -rf docs
        shell: bash

      - name: Clean Rust docs dir
        uses: actions-rs/cargo@v1
        with:
          command: clean
          args: --manifest-path ./rust/Cargo.toml --doc

      - name: Build Rust docs
        uses: actions-rs/cargo@v1
        with:
          command: doc
          args: --manifest-path ./rust/Cargo.toml --workspace --all-features --no-deps

      - name: Move Rust docs
        run: mkdir -p docs && mv rust/target/doc/* docs/.
        shell: bash

      - name: Configure root page
        run: echo '<meta http-equiv="refresh" content="0; url=automerge">' > docs/index.html

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