name: github pages

on:
  push:
    branches:
      - master  # Set a branch name to trigger deployment

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@main

      - uses: avsm/setup-ocaml@v1
        with:
          ocaml-version: '4.11.1'

      - name: cache opam
        id: cache-opam
        uses: actions/cache@v2
        with:
          path: _opam
          key: opam-ubuntu-latest-4.11.1

      - name: Pin
        run: opam pin -n .
        if: steps.cache-opam.outputs.cache-hit != 'true'

      - name: Depext
        run: opam depext -yt containers containers-data containers-thread
        if: steps.cache-opam.outputs.cache-hit != 'true'

      - name: Deps
        run: opam install -d . --deps-only
        if: steps.cache-opam.outputs.cache-hit != 'true'

      - name: Build
        run: opam exec -- dune build @doc

      - name: Deploy
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./_build/default/_doc/_html/
          destination_dir: dev