From cd22a2d0c9e33cfe0112520a58bf0be5812a46fd Mon Sep 17 00:00:00 2001
From: Adam Stankiewicz <sheerun@sher.pl>
Date: Sun, 7 Sep 2014 23:43:39 +0200
Subject: [PATCH] Prevent error when piping bower output to head, fixes #1396

---
 lib/renderers/StandardRenderer.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/renderers/StandardRenderer.js b/lib/renderers/StandardRenderer.js
index 4d5af6d1..6c804c63 100644
--- a/lib/renderers/StandardRenderer.js
+++ b/lib/renderers/StandardRenderer.js
@@ -30,6 +30,16 @@ function StandardRenderer(command, config) {
     } else {
         this._compact = process.stdout.columns < 120;
     }
+
+    var exitOnPipeError = function (err) {
+        if (err.code === 'EPIPE') {
+            process.exit(0);
+        }
+    };
+
+    // It happens when piping command to "head" util
+    process.stdout.on('error', exitOnPipeError);
+    process.stderr.on('error', exitOnPipeError);
 }
 
 StandardRenderer.prototype.end = function (data) {