name: Installation script
on: 
  pull_request:
    paths:
      - .ci/install.sh
  push:
    branches:
      - master
    paths:
      - .ci/install.sh

jobs:
  test_against_latest_release:
    name: Test against latest release
    strategy:
      matrix:
        shell: [fish, zsh, bash]
        setup: 
          - os: ubuntu
            script_arguments: ''
          - os: macos
            script_arguments: ''
          - os: macos
            script_arguments: '--force-no-brew'
    runs-on: ${{ matrix.setup.os }}-latest
    steps:
      - uses: actions/checkout@v2
      - run: "sudo apt-get install -y ${{ matrix.shell }}"
        name: Install ${{matrix.shell}} using apt-get
        if: matrix.setup.os == 'ubuntu'
      - run: "brew install ${{ matrix.shell }}"
        name: Install ${{matrix.shell}} using Homebrew
        if: matrix.setup.os == 'macos'
      - run: "cp ~/.bashrc ~/.bashrc.bak && echo '. ~/.bashrc.bak' > ~/.bashrc"
        name: reset bashrc file
      - run: "env SHELL=$(which ${{ matrix.shell }}) bash ./.ci/install.sh ${{ matrix.setup.script_arguments }}"
        name: Run the installation script
      - run: ./.ci/test_installation_script.sh ${{ matrix.shell }}
        name: 'Test installation script'