ci.yml

name: ci
on:
  push:
    branches: [main]
  pull_request:
jobs:
  test:
    # matrix over BOTH coreutils families — macOS (BSD) catches bugs like the
    # `head -n 0` corpus bug that GNU/ubuntu silently accepts.
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - name: Install deps (Linux)
        if: runner.os == 'Linux'
        run: sudo apt-get update && sudo apt-get install -y jq shellcheck tmux
      - name: Install deps (macOS)
        if: runner.os == 'macOS'
        run: brew install jq shellcheck tmux
      - name: Shellcheck all helpers
        run: |
          rc=0
          for f in bin/*.sh; do shellcheck -S warning "$f" || rc=1; done
          exit $rc
      - name: Run the test suite
        run: tests/run.sh