name: Stack CI

on:
  push:
  pull_request:
  schedule:
  - cron: "0 0 * * 1"

jobs:
  build:
    name: stack ${{ matrix.plan.resolver }}
    strategy:
      matrix:
        os: [ubuntu-latest, macOS-latest]
        # use this to specify what resolvers and ghc to use
        plan:
        - { build: stack, resolver: "lts-9"  }    # ghc-8.0.2
        - { build: stack, resolver: "lts-10"  }   # ghc-8.2.2
        - { build: stack, resolver: "lts-11"  }   # ghc-8.2.2
        - { build: stack, resolver: "lts-12"  }   # ghc-8.4.4
        - { build: stack, resolver: "lts-13"  }   # redundant because lts-14 checks ghc-8.6 already
        - { build: stack, resolver: "lts-14"  }   # ghc-8.6.5
        - { build: stack, resolver: "lts-15"  }   # ghc-8.8.2
        - { build: stack, resolver: "lts-16"  }   # ghc-8.10.1
        - { build: stack, resolver: "nightly" }
        # - { build: stack, resolver: ""                   }
        # use this to include any dependencies from OS package managers
        include: []
        # - os: macOS-latest
        #   brew: anybrewdeps
        # - os: ubuntu-latest
        #   apt-get: happy libblas-dev liblapack-dev

        exclude:
        - os: macOS-latest
          plan:
            build: cabal

    runs-on: ${{ matrix.os }}
    steps:
    - name: Install OS Packages
      uses: mstksg/get-package@v1
      with:
        apt-get: ${{ matrix.apt-get }}
        brew: ${{ matrix.brew }}
    - uses: actions/checkout@v1

    - name: Setup stack
      uses: mstksg/setup-stack@v1

    - name: Setup cabal-install
      uses: actions/setup-haskell@v1
      with:
        ghc-version: ${{ matrix.plan.ghc }}
        cabal-version: ${{ matrix.plan.cabal-install }}
      if: matrix.plan.build == 'cabal'

    - name: Install dependencies
      run: |
        set -ex
        case "$BUILD" in
          stack)
            stack --no-terminal --install-ghc --resolver $ARGS test --bench --only-dependencies
            ;;
          cabal)
            cabal --version
            cabal update
            PACKAGES=$(stack --install-ghc query locals | grep '^ *path' | sed 's@^ *path:@@')
            cabal install --only-dependencies --enable-tests --enable-benchmarks --force-reinstalls --ghc-options=-O0 --reorder-goals --max-backjumps=-1 $CABALARGS $PACKAGES
            ;;
        esac
        set +ex
      env:
        ARGS: ${{ matrix.plan.resolver }}
        BUILD: ${{ matrix.plan.build }}

    - name: Build
      run: |
        set -ex
        case "$BUILD" in
          stack)
            stack --no-terminal --resolver $ARGS test --bench --no-run-benchmarks --haddock --no-haddock-deps
            ;;
          cabal)
            PACKAGES=$(stack --install-ghc query locals | grep '^ *path' | sed 's@^ *path:@@')
            cabal install --enable-tests --enable-benchmarks --force-reinstalls --ghc-options=-O0 --reorder-goals --max-backjumps=-1 $CABALARGS $PACKAGES

            ORIGDIR=$(pwd)
            for dir in $PACKAGES
            do
              cd $dir
              cabal check || [ "$CABALVER" == "1.16" ]
              cabal sdist
              PKGVER=$(cabal info . | awk '{print $2;exit}')
              SRC_TGZ=$PKGVER.tar.gz
              cd dist
              tar zxfv "$SRC_TGZ"
              cd "$PKGVER"
              cabal configure --enable-tests --ghc-options -O0
              cabal build
              if [ "$CABALVER" = "1.16" ] || [ "$CABALVER" = "1.18" ]; then
                cabal test
              else
                cabal test --show-details=streaming --log=/dev/stdout
              fi
              cd $ORIGDIR
            done
            ;;
        esac
        set +ex
      env:
        ARGS: ${{ matrix.plan.resolver }}
        BUILD: ${{ matrix.plan.build }}