path: thunderbird_1:140.8.0esr-1/python/mozbuild/mozbuild/mach_commands.py
        # We're not using an existing process, so there should only be our
        # parent process at this time.
        pids = device.pidof(app_name=metadata.package_name)
        if len(pids) != 1:
            command_context.log(