haskell.yml

name: Haskell CI

on:
  merge_group:
  pull_request:

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

    strategy:
      fail-fast: false
      matrix:
        # If you edit these versions, make sure the version in the lonely macos-latest job below is updated accordingly
        ghc: ["9.6.4", "9.8.1"]
        cabal: ["3.10.2.1"]
        os: [windows-latest, ubuntu-latest]
        include:
          # Using include, to make sure there will only be one macOS job, even if the matrix gets expanded later on.
          # We want a single job, because macOS runners are scarce.
          - os: macos-latest
            cabal: "3.10.2.1"
            ghc: "9.6.4"

    env:
      # Modify this value to "invalidate" the cabal cache.
      CABAL_CACHE_VERSION: "2024-02-23-4"

    concurrency:
      group: >
        a+${{ github.event_name }}
        b+${{ github.workflow_ref }}
        c+${{ github.job }}
        d+${{ matrix.ghc }}
        e+${{ matrix.cabal }}
        f+${{ matrix.os }}
        g+${{ (startsWith(github.ref, 'refs/heads/gh-readonly-queue/') && github.run_id) || github.event.pull_request.number || github.ref }}
      cancel-in-progress: true

    steps:
    - name: Concurrency group
      run: >
        echo
        a+${{ github.event_name }}
        b+${{ github.workflow_ref }}
        c+${{ github.job }}
        d+${{ matrix.ghc }}
        e+${{ matrix.cabal }}
        f+${{ matrix.os }}
        g+${{ (startsWith(github.ref, 'refs/heads/gh-readonly-queue/') && github.run_id) || github.event.pull_request.number || github.ref }}

    - name: Install Haskell
      uses: input-output-hk/actions/haskell@latest
      id: setup-haskell
      with:
        ghc-version: ${{ matrix.ghc }}
        cabal-version: ${{ matrix.cabal }}

    - name: Install system dependencies
      uses: input-output-hk/actions/base@latest
      with:
        use-sodium-vrf: true # default is true

    - uses: actions/checkout@v3

    - name: Cabal update
      run: cabal update

    - name: Build dry run
      run: cabal build all --enable-tests --dry-run --minimize-conflict-set

    - name: Record dependencies
      id: record-deps
      run: |
        # The tests call out to msys2 commands. We generally do not want to mix toolchains, so
        # we are very deliberate about only adding msys64 to the path where absolutely necessary.
        ${{ (runner.os == 'Windows' && '$env:PATH=("C:\msys64\mingw64\bin;{0}" -f $env:PATH)') || '' }}
        cat dist-newstyle/cache/plan.json | jq -r '."install-plan"[].id' | sort | uniq > dependencies.txt

    - name: Install dependencies
      run: cabal build all --enable-tests --only-dependencies -j --ghc-option=-j4

    - name: Cache Cabal store
      uses: actions/cache@v3
      with:
        path: |
          ${{ steps.setup-haskell.outputs.cabal-store }}
          dist-newstyle
        key: cache-${{ env.CABAL_CACHE_VERSION }}-${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('dependencies.txt') }}

    - name: Build all
      run: cabal build all --enable-tests

    - name: Run tests
      env:
        # these two are msys2 env vars, they have no effect on non-msys2 installs.
        MSYS2_PATH_TYPE: inherit
        MSYSTEM: MINGW64
        TMPDIR: ${{ runner.temp }}
        TMP: ${{ runner.temp }}
        KEEP_WORKSPACE: 1
      run: cabal test all --enable-tests --test-show-details=direct -j1

    - name: "Tar artifacts"
      shell: bash
      run: |
        mkdir -p artifacts

        for exe in $(cat dist-newstyle/cache/plan.json | jq -r '."install-plan"[] | select(.style == "local" and (."component-name" | startswith("exe:"))) | ."bin-file"'); do
          if [ -f $exe ]; then
            echo "Including artifact $exe"

            ( cd artifacts
              tar -C "$(dirname $exe)" -czf "$(basename $exe).tar.gz" "$(basename $exe)"
            )
          else
            echo "Skipping artifact $exe"
          fi
        done

    - name: Save Artifact
      uses: actions/upload-artifact@v3
      with:
        name: artifacts-${{ matrix.os }}-${{ matrix.ghc }}
        path: ./artifacts

    # Uncomment the following back in for debugging. Remember to launch a `pwsh` from
    # the tmux session to debug `pwsh` issues. And be reminded that the `/msys2` and
    # `/msys2/mingw64` paths are not in PATH by default for the workflow, but tmate
    # will put them in.
    # You may also want to run
    #
    #   $env:PATH=("C:\Program Files\PowerShell\7;{0}" -f $env:ORIGINAL_PATH)
    #
    # to restore the original path.  Do note that some test might need msys2
    # and will silently fail if msys2 is not in path. See the "Run tests" step.
    #
    # - name: Setup tmate session
    #  if: ${{ failure() }}
    #  uses: mxschmitt/action-tmate@v3
    #  with:
    #     limit-access-to-actor: true

  build-complete:
    needs: [build]
    if: ${{ always() }}
    runs-on: ubuntu-latest
    steps:
    - name: Check if any previous job failed
      run: |
        if [[ "${{ needs.build.result }}" == "failure" ]]; then
          # this ignores skipped dependencies
          echo 'Required jobs failed to build.'
          exit 1
        else
          echo 'Build complete'
        fi

  release:
    needs: [build]
    if: ${{ startsWith(github.ref, 'refs/tags') }}
    runs-on: ubuntu-latest
    steps:
    - name: Checkout code
      uses: actions/checkout@v3

    - name: Create Release Tag
      id: create_release_tag
      run: ｜
        echo "TAG=${GITHUB_REF/refs\/tags\//}" >> $GITHUB_OUTPUT

    - name: Create Release
      id: create_release
      uses: actions/create-release@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ github.ref }}
        release_name: Release ${{ github.ref }}
        draft: true
        prerelease: false