From d1355af66ed9452a7ebd4b8bdd20f19359f3f1f2 Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Sat, 16 Jan 2010 13:12:38 +0000
Subject: Check for bad values of console_width

Fixes Homebrew/homebrew#453.---
 Library/Homebrew/utils.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'Library')

diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index f8965d090..79f739826 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -123,7 +123,8 @@ def puts_columns items, cols = 4
     items.concat("\n") unless items.empty?
 
     # determine the best width to display for different console sizes
-    console_width = `/bin/stty size`.chomp.split(" ").last
+    console_width = `/bin/stty size`.chomp.split(" ").last.to_i
+    console_width = 80 if console_width <= 0
     longest = items.sort_by { |item| item.length }.last
     optimal_col_width = (console_width.to_f / (longest.length + 2).to_f).floor
     cols = optimal_col_width > 1 ? optimal_col_width : 1
-- 
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