name: Artifacts
on:
  push:
    branches:
      - master
      - "3.2"
  pull_request:
    branches:
      - master
  release:
    types:
      - created

jobs:
  artifact-linux:
    name: Artifact on Linux
    runs-on: ubuntu-18.04
    container:
      # Older Ubuntu for older glibc
      image: phadej/ghc:8.6.5-xenial
    steps:
      - name: Set PATH
        run: |
          echo "::add-path::$HOME/.cabal/bin"
      - name: Update Hackage index
        run: cabal v2-update
      - uses: actions/checkout@v2
      - name: Release project
        run: |
          cp cabal.project.release cabal.project
          rm -rf cabal.project.local cabal.project.freeze
      - name: Build
        run: |
          cabal v2-build cabal-install:exe:cabal
          cp $(find dist-newstyle -type f -executable -name cabal) cabal.exe
      - name: Smoke test
        run: |
          ./cabal.exe --version
      - name: Prepare for upload
        run: xz -c < cabal.exe > cabal-artifact.xz
      - uses: actions/upload-artifact@v1
        with:
          name: cabal-linux-x86_64.xz
          path: cabal-artifact.xz

  artifact-macos:
    name: Artifact on macOS
    runs-on: macos-latest
    steps:
      - name: Install GHC
        run: |
          cd $(mktemp -d)
          curl -sLO "https://downloads.haskell.org/~ghc/8.6.5/ghc-8.6.5-x86_64-apple-darwin.tar.xz"
          tar -xJf ghc-*.tar.xz
          cd ghc-*
          ./configure --prefix=/opt/ghc/8.6.5
          sudo make install
      - name: Install Cabal
        run: |
          cd $(mktemp -d)
          curl -sLO https://downloads.haskell.org/~cabal/cabal-install-3.0.0.0/cabal-install-3.0.0.0-x86_64-apple-darwin17.7.0.tar.xz
          tar -xJf cabal-install-*.tar.xz
          sudo mkdir -p /opt/cabal/3.0/bin
          sudo cp cabal /opt/cabal/3.0/bin/cabal
          sudo chmod 755 /opt/cabal/3.0/bin/cabal
      - name: Set PATH
        run: |
          echo "::add-path::/opt/ghc/8.6.5/bin"
          echo "::add-path::/opt/cabal/3.0/bin"
          echo "::add-path::$HOME/.cabal/bin"
      - name: Update Hackage index
        run: cabal v2-update
      - uses: actions/checkout@v2
      - name: Release project
        run: |
          cp cabal.project.release cabal.project
          rm -rf cabal.project.local cabal.project.freeze
      - name: Build
        run: |
          cabal v2-build cabal-install:exe:cabal
          # macOS find doesn't know -executable
          cp $(find dist-newstyle -type f -name cabal) cabal.exe
      - name: Smoke test
        run: |
          ./cabal.exe --version
      - name: Prepare for upload
        run: xz -c < cabal.exe > cabal-artifact.xz
      - uses: actions/upload-artifact@v1
        with:
          name: cabal-macos-x86_64.xz
          path: cabal-artifact.xz

  artifact-windows:
    name: Artifact on Windows
    runs-on: windows-latest
    steps:
      - name: Install Cabal
        run: choco install -fy cabal --version 3.0.0.0
      - name: Install GHC
        run: |
          choco uninstall -y ghc
          choco install -y ghc --version 8.6.5
      - name: Set PATH
        run: |
          [Environment]::GetEnvironmentVariable("Path")
          Write-Host "::add-path::C:\ProgramData\chocolatey\lib\cabal\tools\cabal-3.0.0.0"
          Write-Host "::add-path::C:\ProgramData\chocolatey\lib\ghc\tools\ghc-8.6.5\bin"
      - name: Print versions
        run: |
          ghc --version
          cabal --version
          cabal user-config init -a "http-transport: plain-http" -a "store-dir: C:\SR" -f -v3
      - name: Update Hackage index
        run: cabal v2-update
      - uses: actions/checkout@v2
      - name: Release project
        shell: bash
        run: |
          cp cabal.project.release cabal.project
          rm -rf cabal.project.local cabal.project.freeze
      - name: Build
        shell: bash
        run: |
          cabal v2-build cabal-install:exe:cabal
          cp dist-newstyle/build/x86_64-windows/ghc-8.6.5/cabal-install-3.3.0.0/x/cabal/build/cabal/cabal.exe cabal.exe
      - name: Smoke test
        shell: bash
        run: |
          ./cabal.exe --version
      - name: Prepare for upload
        shell: bash
        run: xz -c < cabal.exe > cabal-artifact.xz
      - uses: actions/upload-artifact@v1
        with:
          name: cabal-windows-x86_64.xz
          path: cabal-artifact.xz