example.yml

name: Example

on:
  pull_request:
  push:
    branches: main

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

defaults:
  run:
    working-directory: example

jobs:
  test:
    strategy:
      matrix:
        runner:
          - ubuntu-latest
          - macOS-latest
          - windows-latest

        stack:
          - resolver: nightly
          - resolver: lts
          - resolver: lts-22.7
            ghc: "9.6.4"
          - resolver: lts-12.26
            ghc: "8.4.4"

        exclude:
          # Binary distributions for older GHCs don't exist on macOS-latest
          - runner: macOS-latest
            stack: { ghc: "8.4.4" }

      fail-fast: false

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

    steps:
      - uses: actions/checkout@v4
      - id: stack
        uses: ./
        with:
          cache-prefix: v1/
          working-directory: example
          stack-arguments: --resolver ${{ matrix.stack.resolver }}

      - name: Check compiler[-*] outputs
        if: matrix.stack.ghc
        shell: bash
        run: |
          [[ "${{ steps.stack.outputs.compiler }}" = ghc-${{ matrix.stack.ghc }} ]]
          [[ "${{ steps.stack.outputs.compiler-version }}" = ${{ matrix.stack.ghc }} ]]

      - name: Check presence of other outputs
        shell: bash
        run: |
          # stack path | cut -d: -f1
          [[ -n "${{ steps.stack.outputs.snapshot-doc-root }}" ]]
          [[ -n "${{ steps.stack.outputs.local-doc-root }}" ]]
          [[ -n "${{ steps.stack.outputs.local-hoogle-root }}" ]]
          [[ -n "${{ steps.stack.outputs.stack-root }}" ]]
          [[ -n "${{ steps.stack.outputs.project-root }}" ]]
          [[ -n "${{ steps.stack.outputs.config-location }}" ]]
          [[ -n "${{ steps.stack.outputs.bin-path }}" ]]
          [[ -n "${{ steps.stack.outputs.programs }}" ]]
          [[ -n "${{ steps.stack.outputs.compiler-exe }}" ]]
          [[ -n "${{ steps.stack.outputs.compiler-bin }}" ]]
          [[ -n "${{ steps.stack.outputs.compiler-tools-bin }}" ]]
          [[ -n "${{ steps.stack.outputs.local-bin }}" ]]

          # Actually blank in default setup
          # [[ -n "${{ steps.stack.outputs.extra-include-dirs }}" ]]
          # [[ -n "${{ steps.stack.outputs.extra-library-dirs }}" ]]

          [[ -n "${{ steps.stack.outputs.snapshot-pkg-db }}" ]]
          [[ -n "${{ steps.stack.outputs.local-pkg-db }}" ]]
          [[ -n "${{ steps.stack.outputs.global-pkg-db }}" ]]
          [[ -n "${{ steps.stack.outputs.ghc-package-path }}" ]]
          [[ -n "${{ steps.stack.outputs.snapshot-install-root }}" ]]
          [[ -n "${{ steps.stack.outputs.local-install-root }}" ]]
          [[ -n "${{ steps.stack.outputs.dist-dir }}" ]]
          [[ -n "${{ steps.stack.outputs.local-hpc-root }}" ]]

  test-generate:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - id: generate
        uses: ./generate-matrix
        with:
          working-directory: example
    outputs:
      stack-yamls: ${{ steps.generate.outputs.stack-yamls }}

  test-stack-yamls:
    needs: test-generate
    runs-on: ubuntu-latest

    strategy:
      matrix:
        stack-yaml: ${{ fromJSON(needs.test-generate.outputs.stack-yamls) }}
      fail-fast: false

    steps:
      - uses: actions/checkout@v4
      - run: |
          if [[ -L '${{ matrix.stack-yaml }}' ]]; then
            echo "generate-matrix incorrectly included a symlink" >&2
            exit 1
          fi
      - uses: ./
        with:
          working-directory: example
          stack-arguments: --stack-yaml ${{ matrix.stack-yaml }}

  test-fails-on-error:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Should fail
        id: stack-action-step
        continue-on-error: true
        uses: ./
        with:
          working-directory: example
          stack-arguments: --resolver bad-resolver
      - name: Check failure
        if: steps.stack-action-step.outcome != 'failure'
        run: exit 1