From 45a7b8e1c2e68a450ac053d0f96bc5df3d7ef399 Mon Sep 17 00:00:00 2001
From: fancyweb <calvet.thomas@gmail.com>
Date: Wed, 2 Jan 2019 23:38:11 +0100
Subject: [PATCH] feat(buffer-io): add question helper set

---
 src/Composer/IO/BufferIO.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Composer/IO/BufferIO.php b/src/Composer/IO/BufferIO.php
index d47d4eaa5..83a1a9820 100644
--- a/src/Composer/IO/BufferIO.php
+++ b/src/Composer/IO/BufferIO.php
@@ -12,6 +12,7 @@
 
 namespace Composer\IO;
 
+use Symfony\Component\Console\Helper\QuestionHelper;
 use Symfony\Component\Console\Output\StreamOutput;
 use Symfony\Component\Console\Formatter\OutputFormatterInterface;
 use Symfony\Component\Console\Input\StringInput;
@@ -34,7 +35,9 @@ class BufferIO extends ConsoleIO
 
         $output = new StreamOutput(fopen('php://memory', 'rw'), $verbosity, $formatter ? $formatter->isDecorated() : false, $formatter);
 
-        parent::__construct($input, $output, new HelperSet(array()));
+        parent::__construct($input, $output, new HelperSet(array(
+            new QuestionHelper(),
+        )));
     }
 
     public function getOutput()