verifyStep property

@override CommandStep get verifyStep

The verify probe (e.g. docker --version).

Implementation

@override
CommandStep get verifyStep => const CommandStep('sh', [
  '-c',
  'command -v nslookup >/dev/null 2>&1 || exit 1\n'
      'nslookup -version 2>/dev/null | head -1 || true',
]);