cabal-mac-win.yml

name: CI for macOS and Windows building with cabal
on:
  push:
    branches:
    - master
  pull_request:
    branches:
    - master

jobs:

  cabal:
    name: Cabal
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macOS-latest, windows-latest]
        ghc:
          - 9.2.8
          - 9.4.8
          - 9.6.6
          - 9.8.2
          - 9.10.1
      fail-fast: false

    steps:

    # Andreas, 2023-02-12:
    # Putting the MSYS2 /usr/bin (and thus 'tar') into the PATH destroys the Cache action v3.
    # See: https://github.com/actions/cache/issues/1073
    # However the /mingw64/bin PATH for the MSYS2-installed 'pkg-config' is fine.
    #
    - name: Setup MSYS path for pkg-config
      if: ${{ runner.os == 'Windows' }}
      run: |
        echo "C:\msys64\mingw64\bin" | Out-File -FilePath "$env:GITHUB_PATH" -Append

    - name: Install the ICU library (Windows)
      if: ${{ runner.os == 'Windows' }}
      shell: pwsh
        ## Even though pwsh is default for windows, keep this for sake of actionlint/shellcheck!
      run: |
        $env:PATH = "C:\msys64\usr\bin;$env:PATH"
        pacman --noconfirm -S mingw-w64-x86_64-pkg-config mingw-w64-x86_64-icu

    # Installing ICU is not necessary, macOS-latest already has v69.1
    # - name: Install the ICU library (macOS)
    #   shell: bash
    #   run: |
    #     brew install icu4c

    # Let `pkg-config` find the ICU libs.
    # Also test whether it actually works, and print some debug information.
    - name: Set up pkg-config for the ICU library (macOS)
      if: ${{ runner.os == 'macOS' }}
      run: |
        PKG_CONFIG_PATH=$(brew --prefix)/opt/icu4c/lib/pkgconfig
        echo "PKG_CONFIG_PATH=${PKG_CONFIG_PATH}" >> "${GITHUB_ENV}"
        ## The rest is debug info:
        echo "$ ls -l ${PKG_CONFIG_PATH}/"
        ls -l "${PKG_CONFIG_PATH}/"
        export PKG_CONFIG_PATH
        echo "$ pkg-config --modversion icu-i18n"
        pkg-config --modversion icu-i18n
        echo "$ pkg-config --libs --static icu-i18n"
        pkg-config --libs --static icu-i18n

    # # Test of `pkg-config --list-all` in connection with macOS-11/12 env bug:
    # # https://github.com/actions/runner-images/issues/6364
    # # This was fixed upstream 2022-10-10.
    # - name: Check integrity of pkg-config database
    #   if: ${{ runner.os == 'macOS' }}
    #   run: |
    #     echo "$ pkg-config --list-all"
    #     pkg-config --list-all
    #     echo "========================================================================"
    #     echo "$ pkg-config --list-all | cut -f 1 -d ' '"
    #     pkg-config --list-all | cut -f 1 -d ' '
    #     echo "========================================================================"
    #     echo "$ pkg-config --list-all | cut -f 1 -d ' ' | xargs pkg-config --modversion"
    #     pkg-config --list-all | cut -f 1 -d ' ' | xargs pkg-config --modversion

    - name: Determine the ICU version
      shell: bash
      run: |
        ICU_VER=$(pkg-config --modversion icu-i18n)
        echo "ICU_VER=${ICU_VER}"
        echo "ICU_VER=${ICU_VER}" >> "${GITHUB_ENV}"

    - name: Checkout
      uses: actions/checkout@v4

    - name: Setup Haskell
      uses: haskell-actions/setup@v2
      id: setup
      with:
        ghc-version: ${{ matrix.ghc }}
        cabal-update: true

    - name: Configure
      run: |
        cabal configure --enable-tests
        cabal build --dry-run
      # cabal build --dry-run creates dist-newstyle/cache/plan.json

    - name: Restore cached build products
      uses: actions/cache/restore@v4
      id: cache
      with:
        path: |
          ${{ steps.setup.outputs.cabal-store }}
          dist-newstyle
        key: ${{ env.key }}-cabal-${{ steps.setup.outputs.cabal-version }}-plan-${{ hashFiles('dist-newstyle/cache/plan.json') }}
        restore-keys: |
             ${{ env.key }}-cabal-${{ steps.setup.outputs.cabal-version }}-
             ${{ env.key }}-
      env:
        key: ${{ runner.os }}-ghc-${{ steps.setup.outputs.ghc-version }}-icu-${{ env.ICU_VER }}-

    - name: Build
      run: |
        cabal build all

    - name: Test
      run: |
        cabal test all --test-show-details=direct

    - name: Cache build products
      uses: actions/cache/save@v4
      if:   always() && steps.cache.outputs.cache-hit != 'true'
      with:
        path: |
          ${{ steps.setup.outputs.cabal-store }}
          dist-newstyle
        key: ${{ steps.cache.outputs.cache-primary-key }}