name: CI
on:
  push:
    branches:
      - master
  pull_request:
jobs:
  tests:
    strategy:
      matrix:
        os:
          - macOS-latest
          - ubuntu-latest
          - windows-latest
        include:
          - os: macOS-latest
            shell: bash
          - os: ubuntu-latest
            shell: bash
          - os: windows-latest
            shell: "wsl-bash {0}"
    runs-on: ${{matrix.os}}
    defaults:
      run:
        shell: ${{ matrix.shell }}
    steps:
      - name: Set up WSL
        if: runner.os == 'windows'
        shell: powershell
        run: |
          git config --global core.autocrlf false
          git config --global core.eol lf
      - name: Set up Git repository
        uses: actions/checkout@main

      - name: Cleanup macOS
        if: runner.os == 'macOS'
        run: |
          sudo rm -rf /Applications/Xcode.app \
                      /Library/Developer/CommandLineTools
          sudo xcode-select --reset
      - name: Install WSL
        if: runner.os == 'windows'
        # https://github.com/Vampire/setup-wsl/releases/tag/v1.1.0
        uses: Vampire/setup-wsl@c8afb39d908a55f133accd98a27e160edc255810
        with:
          distribution: Ubuntu-16.04
          wsl-shell-user: runner
          additional-packages: build-essential

      - name: Set up Homebrew PATH
        if: runner.os != 'windows'
        run: |
          if [[ "${{ runner.os }}" = "macOS" ]]
          then
            echo "/usr/local/bin:/usr/bin:/bin" >> "${GITHUB_PATH}"
          else
            echo "/home/linuxbrew/.linuxbrew/bin:/usr/bin:/bin" >> "${GITHUB_PATH}"
          fi
      - name: Uninstall GitHub Actions Homebrew
        run: |
          if which brew &>/dev/null
          then
            /bin/bash uninstall.sh -n >/dev/null
            /bin/bash uninstall.sh -f >/dev/null
          fi
      - name: Set up WSL environment
        if: runner.os == 'windows'
        shell: "wsl-bash -u root {0}"
        run: |
          echo "runner ALL=(ALL) NOPASSWD:ALL" | tee /etc/sudoers.d/runner
          chmod 644 /etc/sudoers.d/runner
          echo -e "#!/bin/bash\nexec /home/linuxbrew/.linuxbrew/bin/brew \"\$@\"" | tee /usr/local/bin/brew
          chmod 755 /usr/local/bin/brew
      - run: /bin/bash -c "$(cat install.sh)"

      - run: brew config

      - run: brew install ack

      - run: /bin/bash uninstall.sh -f >/dev/null

      - name: Install Homebrew with non-default remotes
        # Use the default remotes but with Git Protocol
        run: |
          HOMEBREW_BREW_DEFAULT_GIT_REMOTE="https://github.com/Homebrew/brew"
          HOMEBREW_CORE_DEFAULT_GIT_REMOTE="https://github.com/Homebrew/homebrew-core"
          export HOMEBREW_BREW_GIT_REMOTE="${HOMEBREW_BREW_DEFAULT_GIT_REMOTE/#https/git}"
          export HOMEBREW_CORE_GIT_REMOTE="${HOMEBREW_CORE_DEFAULT_GIT_REMOTE/#https/git}"
          /bin/bash -c "$(cat install.sh)"
      - run: brew config

      - run: |
          /bin/bash uninstall.sh -f >/dev/null
          unset HOMEBREW_{BREW,CORE}{,_DEFAULT}_GIT_REMOTE
      - run: /bin/bash -c "$(cat install.sh)"

      - name: Uninstall and reinstall with sudo NOPASSWD
        if: runner.os == 'linux'
        run: |
          echo "${USER} ALL=(ALL) NOPASSWD:ALL" | sudo tee "/etc/sudoers.d/${USER}"
          /bin/bash uninstall.sh -f >/dev/null
          /bin/bash -c "$(cat install.sh)"
      - name: Check code styles
        if: runner.os != 'windows'
        run: |
          brew install shellcheck shfmt diffutils
          brew style *.sh
      - run: /bin/bash uninstall.sh -n >/dev/null

      - run: /bin/bash uninstall.sh -f >/dev/null