master.yml

name: CI

on:
  pull_request:
  push:
    branches:
      - master

jobs:
  generate-matrix:
    name: "Generate matrix from cabal"
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    runs-on: ubuntu-latest
    steps:
      - name: Extract the tested GHC versions
        id: set-matrix
        uses: kleidukos/get-tested@v0.1.7.0
        with:
          cabal-file: servant/servant.cabal
          ubuntu-version: "latest"
          version: 0.1.7.0
  tests:
    name: ${{ matrix.ghc }} on ${{ matrix.os }}
    needs: generate-matrix
    runs-on: ${{ matrix.os }}
    strategy:
      matrix: ${{ fromJSON(needs.generate-matrix.outputs.matrix) }}
    steps:
    - uses: actions/checkout@v4
    - uses: haskell-actions/setup@v2
      id: setup-haskell-cabal
      name: Setup Haskell
      with:
        ghc-version: ${{ matrix.ghc }}
        cabal-version: 'latest'

    - name: Freeze
      run: |
        cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
        cabal freeze

    - name: Cache
      uses: actions/cache@v4
      with:
        path: |
          ${{ steps.setup-haskell.outputs.cabal-store }}
          dist-newstyle
        key: ${{ runner.os }}-ghc-${{ matrix.ghc }}-cabal-${{ hashFiles('**/plan.json') }}
        restore-keys: ${{ runner.os }}-ghc-${{ matrix.ghc }}-

    - name: Install system dependencies
      run: |
          ./.github/workflows/install-system-dependencies.sh
    - name: Install doctest
      run: |
        cabal install --ignore-project -j2 doctest --constraint='doctest ^>=0.22'

    - name: Build
      run: |
        cabal build all

    - name: Test
      run: |
        cabal test all

    - name: Run doctests
      run: |
        # Necessary for doctest to be found in $PATH
        export PATH="$HOME/.cabal/bin:$PATH"

        DOCTEST="cabal repl --with-ghc=doctest"
        (cd servant && eval $DOCTEST)
        (cd servant-client && eval $DOCTEST)
        (cd servant-client-core && eval $DOCTEST)
        (cd servant-http-streams && eval $DOCTEST)
        (cd servant-docs && eval $DOCTEST)
        (cd servant-foreign && eval $DOCTEST)
        (cd servant-server && eval $DOCTEST)
        (cd servant-machines && eval $DOCTEST)
        (cd servant-conduit && eval $DOCTEST)
        (cd servant-pipes && eval $DOCTEST)
        (cd servant-quickcheck && eval $DOCTEST)

    - name: Save cache
      uses: actions/cache/save@v4
      if: always()
      with:
        path: |
          ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
          dist-newstyle
        key: ${{ runner.os }}-ghc-${{ matrix.ghc }}-cabal-${{ hashFiles('./.plan.json') }}

  ghcjs:
    name: ubuntu-latest / ghcjs 8.6
    runs-on: "ubuntu-latest"

    steps:
    - uses: actions/checkout@v4
    - uses: cachix/install-nix-action@v20
      with:
        extra_nix_config: |
          trusted-public-keys = ryantrinkle.com-1:JJiAKaRv9mWgpVAz8dwewnZe0AzzEAzPkagE9SP5NWI=1aba6f367982bd6dd78ec2fda75ab246a62d32c5 cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
          substituters = https://nixcache.reflex-frp.org https://cache.nixos.org/
        nix_path: nixpkgs=channel:release-22.11

    - name: Setup
      run: |
        # Override cabal.project with the lightweight GHCJS one
        cp cabal.ghcjs.project cabal.project
        cat cabal.project
        nix-shell ghcjs.nix --run "cabal v2-update && cabal v2-freeze"
    - name: Cache
      uses: actions/cache@v4
      with:
        path: |
          ~/.cabal/store
          dist-newstyle
        key: ${{ runner.os }}-ghcjs8.6-cabal-${{ hashFiles('./.plan.json') }}
        restore-keys: ${{ runner.os }}-ghc-${{ matrix.ghc }}-

    - name: Build
      run: |
        nix-shell ghcjs.nix --run "cabal v2-build --ghcjs --enable-tests --enable-benchmarks all"

    - name: Tests
      run: |
        nix-shell ghcjs.nix --run ".github/run-ghcjs-tests.sh"

    - name: Save cache
      uses: actions/cache/save@v4
      if: always()
      with:
        path: |
          ~/.cabal/store
          dist-newstyle
        key: ${{ runner.os }}-ghcjs8.6-${{ hashFiles('cabal.project.freeze') }}