ci.yaml

name: "ci"

on:
  push:
    branches: ["main"]
  pull_request:
    branches: ["main"]
  release:
    types: ["published"]

jobs:
  hlint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: "Set up hlint"
        uses: haskell/actions/hlint-setup@v2
        with:
          version: "3.8"

      - name: "Run hlint"
        uses: haskell/actions/hlint-run@v2
        with:
          path: '["src/", "test/"]'
          fail-on: warning

  fourmolu:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - uses: haskell-actions/run-fourmolu@v9
        with:
          version: "0.15.0.0"

  cabal:
    name: cabal ${{ matrix.cabal }} / ghc ${{ matrix.ghc }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: ["ubuntu-latest"]
        cabal: ["3.10.3.0"]
        ghc:
          - "9.4.8"
          - "9.6.5"
          - "9.8.2"
    steps:
      - uses: actions/checkout@v4

      - uses: "./.github/actions/cabal-build"
        name: Build
        with:
          ghc-version: ${{ matrix.ghc }}
          cabal-version: ${{ matrix.cabal }}

  stack:
    name: stack ${{ matrix.stack }} / ${{ matrix.resolver }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: ["ubuntu-latest"]
        stack: ["2.15.5"]
        resolver:
          - "lts-21"
          - "lts-22"
          - "nightly"
    steps:
      - uses: actions/checkout@v4

      - uses: "./.github/actions/stack-build"
        name: Build
        with:
          resolver: ${{ matrix.resolver }}
          stack-version: ${{ matrix.stack }}

  publish:
    name: "publish"
    runs-on: "ubuntu-latest"
    needs:
      - hlint
      - fourmolu
      - cabal
      - stack
    steps:
      - uses: actions/checkout@v4

      - uses: haskell-actions/setup@v2
        id: setup-haskell-cabal
        name: Setup Haskell and Cabal
        with:
          ghc-version: "9.8.2"
          cabal-version: "3.10.3.0"

      - name: Freeze
        run: |
          cabal freeze
          head -n -1 cabal.project.freeze > deps

      - uses: actions/cache@v3
        name: Cache ~/.cabal/store
        with:
          path: ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
          key: publish-${{ hashFiles('deps') }}

      - name: "Bundle the package"
        run: |
          cabal sdist

      - name: "Bundle the documentation"
        run: |
          cabal haddock --haddock-for-hackage --enable-doc

      - name: "Publish package to Hackage"
        if: github.event_name == 'release'
        env:
          HACKAGE_USER: ${{ secrets.HACKAGE_USER }}
          HACKAGE_PASSWORD: ${{ secrets.HACKAGE_PASSWORD }}
        run: |
          cabal upload --publish -u $HACKAGE_USER -p $HACKAGE_PASSWORD ./dist-newstyle/sdist/*.tar.gz

      - name: "Publish candidate package to Hackage"
        if: github.event_name == 'push'
        env:
          HACKAGE_USER: ${{ secrets.HACKAGE_USER }}
          HACKAGE_PASSWORD: ${{ secrets.HACKAGE_PASSWORD }}
        run: |
          cabal upload -u $HACKAGE_USER -p $HACKAGE_PASSWORD ./dist-newstyle/sdist/*.tar.gz

      - name: "Publish docs to Hackage"
        if: github.event_name == 'release'
        env:
          HACKAGE_USER: ${{ secrets.HACKAGE_USER }}
          HACKAGE_PASSWORD: ${{ secrets.HACKAGE_PASSWORD }}
        run: |
          cabal upload --publish -u $HACKAGE_USER -p $HACKAGE_PASSWORD -d ./dist-newstyle/*-docs.tar.gz

      - name: "Publish candidate docs to Hackage"
        if: github.event_name == 'push'
        env:
          HACKAGE_USER: ${{ secrets.HACKAGE_USER }}
          HACKAGE_PASSWORD: ${{ secrets.HACKAGE_PASSWORD }}
        run: |
          cabal upload -u $HACKAGE_USER -p $HACKAGE_PASSWORD -d ./dist-newstyle/*-docs.tar.gz