name: Contrib script syntax checking
on:
  push:
    paths: [ 'contrib/**', .github/scripts/check-contrib.sh ]
  pull_request:
    paths: [ 'contrib/**', .github/scripts/check-contrib.sh ]
  workflow_dispatch:

env:
  # Force colored output (see https://bixense.com/clicolors/ and https://force-color.org/)
  TERM: xterm-256color
  CLICOLOR: 1
  CLICOLOR_FORCE: 1

jobs:
  check-contrib:
    runs-on: ubuntu-slim
    steps:
      - name: Checkout repo
        uses: actions/checkout@v7
        with:
          sparse-checkout: | # Avoid checking out other files, we don't use them here.
            contrib
            .github/scripts
      - name: Install zsh
        run: |
          sudo apt install -Uyq zsh
      - name: Check contrib scripts
        run: |
          .github/scripts/check-contrib.sh