haskell.yml

name: Haskell CI

on:
  pull_request:
    branches: [ main ]
  push:
    branches: [ main ]

permissions:
  contents: read

jobs:
  build:
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest]

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

    steps:
      - uses: actions/checkout@v4
      - uses: haskell-actions/setup@v2
        with:
          enable-stack: true

      - name: Cache Haskell stack
        uses: actions/cache@v4
        env:
          cache-name: cache-stack
        with:
          path: ~/.stack
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('lib/haskell/**/package.yaml','lib/haskell/**/stack.yaml.lock') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('lib/haskell/**/package.yaml','lib/haskell/**/stack.yaml.lock') }}
            ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('lib/haskell/**/package.yaml') }}
            ${{ runner.os }}-build-${{ env.cache-name }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-

      - name: Install Ubuntu Prerequisites (libpcre)
        if: startsWith(matrix.os, 'ubuntu')
        run: |
          sudo apt-get install libpcre3-dev liblzma-dev

      - name: Install MacOS Prerequisites (libpcre)
        if: startsWith(matrix.os, 'macOS')
        run: |
          wget https://ftp.exim.org/pub/pcre/pcre-8.45.tar.gz
          tar -xvf pcre-8.45.tar.gz
          cd pcre-8.45
          ./configure
          make
          sudo make install

      - name: Build and test
        run: stack test
        working-directory: lib/haskell

      - name: Check that generate .cabal files are up-to-date
        if: startsWith(matrix.os, 'ubuntu')
        run: |
          curl -sSL https://raw.githubusercontent.com/sol/hpack/main/get-hpack.sh | bash
          find -name 'package.yaml' -exec hpack '{}' \; && git diff --color --exit-code