ci.yml

name: CI

on:
  pull_request:
  push:

jobs:
  stack:
    name: stack / ghc ${{ matrix.ghc }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
        - ghc: "9.6.4"
          yaml: "stack.yaml"

    steps:
    - uses: actions/checkout@v4

    - uses: cachix/install-nix-action@v27
      with:
        # release-24.05
        nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/74435c9234c751e6786c5f3fd34ff6b0f0c13bd1.tar.gz

    - uses: haskell-actions/setup@v2
      name: Setup Haskell Stack
      with:
        ghc-version: ${{ matrix.ghc }}
        enable-stack: true
        stack-version: "latest"

    - uses: actions/cache/restore@v4
      name: Cache restore ~/.stack
      id: cache-restore
      with:
        path: ~/.stack
        key: ${{ runner.os }}-${{ matrix.ghc }}-${{ matrix.yaml }}-stack

    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y libpcre3-dev

    - name: Build
      run: |
        stack build --stack-yaml ${{matrix.yaml}} --system-ghc --test --bench --no-run-tests --no-run-benchmarks

    - name: Test
      if: always()
      run: stack test --stack-yaml ${{matrix.yaml}} --system-ghc

    - uses: actions/cache/save@v4
      if: always() && steps.cache-restore.outputs.cache-hit != 'true'
      with:
        path: ~/.stack
        key: ${{ runner.os }}-${{ matrix.ghc }}-${{ matrix.yaml }}-stack

  nix:
    name: nix build .#${{ matrix.output }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
        - output: normal

        # Tries to build a whole static GHC, which runs out of resources on GitHub runners
        # - output: static

    steps:
    - uses: actions/checkout@v4

    - uses: cachix/install-nix-action@v27
      with:
        # release-24.05
        nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/74435c9234c751e6786c5f3fd34ff6b0f0c13bd1.tar.gz

    - uses: DeterminateSystems/magic-nix-cache-action@v8
    - name: Build
      run: nix build .#${{ matrix.output }}