build.yml

name: Main workflow

on:
  pull_request:
  push:
  schedule:
    - cron: '5 14 * * *'

jobs:
  check-version-numbers:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Check version numbers
        run: ./version.sh
  
  package-python:
    strategy:
      fail-fast: false
      matrix:
        os:
          - macos-11
          - ubuntu-latest

    runs-on: ${{ matrix.os }}

    steps:
      - name: Install dependencies (libtool, aclocal, autoconf)
        run: |
           if [ "$RUNNER_OS" = "Linux" ]; then
             sudo apt-get install libtool automake
           elif [ "$RUNNER_OS" = "macOS" ]; then
             brew install libtool autoconf automake
           else
             echo Unsupported RUNNER_OS=$RUNNER_OS
             exit 1
           fi
      
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.8.1
            
      - name: Upload binary wheel
        uses: actions/upload-artifact@v2
        with:
          name: ${{ format('bdist.{0}', matrix.os) }}
          path: wheelhouse/libdash-*.whl

      - name: Build source distribution (Linux only)
        if: contains(matrix.os, 'ubuntu')
        run: python setup.py sdist
            
      - name: Upload source distribution (from Linux)
        uses: actions/upload-artifact@v2
        if: contains(matrix.os, 'ubuntu')
        with:
          name: sdist
          path: dist/libdash-*.tar.gz
      
  build-both-and-compare:
    strategy:
      fail-fast: true
      matrix:
        os:
          - macos-12
          - macos-11
          - ubuntu-latest
        ocaml-compiler:
          - 4.14.x

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Use OCaml ${{ matrix.ocaml-compiler }}
        uses: avsm/setup-ocaml@v2
        with:
          ocaml-compiler: ${{ matrix.ocaml-compiler }}
          dune-cache: true
                             
      - name: Install and test OCaml bindings
        run: opam install --with-test --working-dir .
        
        # we don't reuse the wheels so that all of the CI runs can happen concurrently
      - name: Install Python directly
        run: sudo pip3 install .
      
      - name: Test Python bindings
        run: make -C python test
          
      - name: Compare OCaml and Python bindings
        run: opam exec -- make -C test test

  deploy:
    needs:
      - check-version-numbers
      - package-python
      - build-both-and-compare
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags')
      
    steps:
      - name: Download distributions
        uses: actions/download-artifact@v2

      - name: Rename distributions
        run: |
          mkdir dist
          ls bdist.*/
          mv bdist.*/libdash-*.whl dist/
          mv sdist/libdash-*.tar.gz dist/
          echo Look on my Works, ye Mighty, and despair!
          ls dist
  
      - name: Deploy 'latest' release on GH
        uses: marvinpinto/action-automatic-releases@latest
        with:
          repo_token: "${{ secrets.GITHUB_TOKEN }}"
          automatic_release_tag: "latest"
          prerelease: true
          title: "Python source and binary distributions"
          files: |
            dist/*

      - name: Deploy test distribution to Test PyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          password: ${{ secrets.TEST_PYPI_API_TOKEN }}
          verbose: true
          repository_url: https://test.pypi.org/legacy/
          skip_existing: true            
              
      - name: Deploy tagged release on PyPI
        if: startsWith(github.ref, 'refs/tags')
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          password: ${{ secrets.PYPI_API_TOKEN }}
          verbose: true