build_and_docs.yml

name: CI

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

  workflow_dispatch:

jobs:
  build-and-test:
    runs-on: ubuntu-latest # has stack preinstalled 

    steps:
      # Checks-out your repository
      - uses: actions/checkout@v2
      
      # sets up a cache for the ~/.stack directory to avoid rebuilding dependencies
      - uses: actions/cache@v2.1.3
        name: Cache ~/.stack
        with:
          path: |
            ~/.stack
            .stack-work
          key: stack

      # Install system dependencies for libraries such as PortMidi
      - name: Install System Dependencies
        run: |
          sudo apt-get install libasound2-dev

      # Build the dependencies
      - name: Build Dependencies
        run: stack build --test --no-run-tests --bench --no-run-benchmarks --only-dependencies --haddock

      # Build the package
      - name: Build Packages
        run: |
          stack build --test --no-run-tests --bench --no-run-benchmarks --haddock
          mv $(stack path --local-doc-root) ./docs

      # Run the tests for all sub-packages
      - name: Run Tests
        run: stack test

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