name: 'Tests: shellcheck'

on: [pull_request, push]

jobs:
  shellcheck_matrix:
    permissions:
      contents: read
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        shell:
          - bash
          - sh
          - dash
          - ksh
        file:
          - nvm.sh
        include:
          - shell: bash
            file: install.sh # only supported on bash
          - shell: bash
            file: bash_completion # only needed in bash/zsh
          - shell: bash
            file: nvm-exec # only runs in bash

    steps:
      - uses: actions/checkout@v2
      - name: Install shellcheck
        run: brew install shellcheck
      - run: "shellcheck --version"
      - name: Run shellcheck on ${{ matrix.file }}
        run: shellcheck -s ${{ matrix.shell }} ${{ matrix.file }}

  shellcheck:
      permissions:
        contents: none
      needs: [shellcheck_matrix]
      runs-on: ubuntu-latest
      steps:
        - run: 'echo tests completed'