ci.yml

name: CI

# Trigger the workflow on push or pull request, but only for the main branch
on:
  pull_request:
  push:
    branches: ['main']

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: confer.cabal
          ubuntu-version: 'latest'
          macos: 'macos-13'
          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:
      - name: Checkout base repo
        uses: actions/checkout@v4
      - name: Set up Haskell
        id: setup-haskell
        uses: haskell-actions/setup@v2
        with:
          ghc-version: ${{ matrix.ghc }}
          cabal-version: 'latest'
      - name: Configure
        run: cabal configure --enable-tests
      - name: Freeze
        run: cabal freeze
      - name: Cache
        uses: actions/cache@v4.0.2
        with:
          path: ${{ steps.setup-haskell.outputs.cabal-store }}
          key: ${{ runner.os }}-ghc-${{ matrix.ghc }}-cabal-${{ hashFiles('**/plan.json') }}
          restore-keys: ${{ runner.os }}-ghc-${{ matrix.ghc }}-
      - name: Build
        run: cabal build
      - name: Test
        run: cabal test all
      - name: Package the confer-head executable
        run: |
          CONFER_EXE=$(cabal list-bin --builddir=dist-newstyle-pre-release --project-file=cabal.release.project confer:exe:confer)
          DIR=$(dirname '$CONFER_EXEC')
          FILE=$(basename '$CONFER_EXEC')
          CONFER='confer-head-${{ runner.os }}-x86_64.tar.gz'
          tar -czvf '$CONFER_EXEC_TAR' -C '$DIR' '$FILE'
          echo 'CONFER_EXEC_TAR=$CONFER_EXEC_TAR' >> '$GITHUB_ENV'
      - name: Upload the confer-head executable
        uses: actions/upload-artifact@v3
        with:
          name: confer-${{ runner.os }}-x86_64
          path: ${{ env.CONFER_EXEC_TAR }}

  build-alpine:
    name: Build statically linked using alpine
    runs-on: ubuntu-latest
    container: 'alpine:3.19'
    needs: ['generate-matrix', 'tests']
    strategy:
      matrix: ${{ fromJSON(needs.generate-matrix.outputs.matrix) }}
    steps:
      - name: Install extra dependencies
        shell: sh
        run: |
          apk add bash curl sudo jq pkgconfig \
          zlib-dev zlib-static binutils-gold curl \
          gcc g++ gmp-dev libc-dev libffi-dev make \
          musl-dev ncurses-dev perl tar xz

      - uses: actions/checkout@v4

      - uses: haskell-actions/setup@v2
        id: setup-haskell
        with:
          ghc-version: ${{ matrix.ghc }}
          cabal-version: 'latest'

      - name: Configure
        run: cabal configure --enable-tests

      - name: Freeze
        run: cabal freeze

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

      - name: Enable statically linked executables
        run: |
          echo 'executable-static: true' >> cabal.release.project

      - name: Build
        run: cabal build

      - name: Tar cabal head executable
        run: |
          CONFER_EXE=$(cabal list-bin --builddir=dist-newstyle-pre-release --project-file=cabal.release.project confer:exe:confer)
          DIR=$(dirname '$CONFER_EXEC')
          FILE=$(basename '$CONFER_EXEC')
          CONFER_EXEC_TAR='confer-head-${{ runner.os }}-static-x86_64.tar.gz'
          tar -czvf '$CONFER_EXEC_TAR' -C '$DIR' '$FILE'
          echo 'CONFER_EXEC_TAR=$CONFER_EXEC_TAR' >> '$GITHUB_ENV'

      - name: Upload confer executable to workflow artifacts
        uses: actions/upload-artifact@v3
        with:
          name: cabal-${{ runner.os }}-static-x86_64
          path: ${{ env.CONFER_EXEC_TAR }}

  prerelease-head:
    name: Create a GitHub prerelease with the binary artifacts
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'
    needs: ['tests', 'build-alpine']

    steps:
    - uses: actions/download-artifact@v3
      with:
        name: confer-Linux-x86_64

    - uses: actions/download-artifact@v3
      with:
        name: confer-Linux-static-x86_64

    - name: Create GitHub prerelease
      uses: marvinpinto/action-automatic-releases@v1.2.1
      with:
        repo_token: ${{ secrets.GITHUB_TOKEN }}
        automatic_release_tag: confer-head
        prerelease: true
        title: confer-head
        files: |
          confer-head-Linux-x86_64.tar.gz
          confer-head-Linux-static-x86_64.tar.gz