patch-test.yaml

name: Test patches
on:
  push:
    paths:
    - 'haskell/ghc_bindist.bzl'
    - 'haskell/private/ghc_bindist_generated.json'
    - 'haskell/assets/**'
  workflow_dispatch:
env:
  # Bump this number to invalidate the GH actions cache
  cache-version: 0

jobs:
  find-ghc-version:
    name: Find GHC versions for which a bindist is provided
    runs-on: ubuntu-latest
    outputs:
      ghc-matrix: ${{ steps.set-ghc-versions.outputs.ghc-matrix }}
    steps:
      - uses: actions/checkout@v4
      - id: set-ghc-versions
        name: Extract from gen_ghc_bindist
        run: python .github/extract_from_ghc_bindist.py
  test-ghc-patches:
    concurrency:
      group: ${{ github.workflow }}-${{ github.ref }}-${{ matrix.os }}-${{ matrix.ghc-version }}
      cancel-in-progress: true
    name: Test GHC patches
    needs: find-ghc-version
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-13, windows-latest]
        ghc-version: ${{ fromJSON(needs.find-ghc-version.outputs.ghc-matrix) }}
    runs-on: ${{ matrix.os }}
    steps:
      - name: Install required packages
        run: |
          sudo apt-get update
          sudo apt-get install --no-install-recommends -yy libtinfo5
          sudo apt-get clean
        if: ${{ matrix.os == 'ubuntu-latest' }}
      - uses: actions/checkout@v4
      - name: Mount Bazel cache
        uses: actions/cache@v4
        with:
          path: ~/repo-cache
          key: repo-cache-${{ runner.os }}-bindist-${{ env.cache-version }}
      - name: Configure
        env:
          BUILDBUDDY_API_KEY: ${{ secrets.BUILDBUDDY_API_KEY }}
        shell: bash
        run: |
          # Avoid failures of the form `deadline exceeded after 14999958197ns DEADLINE_EXCEEDED`.
          # See https://github.com/tweag/rules_haskell/issues/1498 and https://github.com/tweag/rules_haskell/pull/1692.
          [[ ${{ runner.os }} == Linux ]] && sudo sysctl -w net.ipv4.tcp_keepalive_time=60
          case ${{ runner.os }} in
            macOS) BUILD_CONFIG=macos-bindist;;
            Linux) BUILD_CONFIG=linux-bindist;;
            Windows) BUILD_CONFIG=ci-windows-bindist;;
          esac
          cat >.bazelrc.local <<EOF
          common --config=ci
          build --config=$BUILD_CONFIG
          build --remote_header=x-buildbuddy-api-key="$BUILDBUDDY_API_KEY"
          EOF
          cat >~/.netrc <<EOF
          machine api.github.com
                  password ${{ secrets.GITHUB_TOKEN }}
          EOF
      - name: Build & test
        shell: bash
        run: |
          export GHC_VERSION=${{ matrix.ghc-version }}
          cd rules_haskell_tests
          ./tests/run-start-script.sh --use-bindists