Function resizeTTY

cli/command/container/attach.go:177–190

(ctx context.Context, dockerCli command.Cli, containerID string)

}

func resizeTTY(ctx context.Context, dockerCli command.Cli, containerID string) {
	height, width := dockerCli.Out().GetTtySize()
	// To handle the case where a user repeatedly attaches/detaches without resizing their
	// terminal, the only way to get the shell prompt to display for attaches 2+ is to artificially
	// resize it, then go back to normal. Without this, every attach after the first will
	// require the user to manually resize or hit enter.
	resizeTTYTo(ctx, dockerCli.Client(), containerID, height+1, width+1, false)

	// After the above resizing occurs, the call to MonitorTtySize below will handle resetting back
	// to the actual size.
	if err := MonitorTtySize(ctx, dockerCli, containerID, false); err != nil {
		logrus.Debugf("Error monitoring TTY size: %s", err)
	}
}