From 8b4645d895e6d998e56603dcd05362e20df0ac71 Mon Sep 17 00:00:00 2001
From: Adam Vandenberg <flangy@gmail.com>
Date: Sat, 19 Mar 2011 09:14:59 -0700
Subject: [PATCH] Use backticks instead of popen

Using popen here breaks brew install -v due to the way
the error pipe is passed around during install.
---
 Library/Homebrew/utils.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index 5b43480800..072e8fd116 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -153,7 +153,8 @@ def archs_for_command cmd
   cmd = `/usr/bin/which #{cmd}` unless Pathname.new(cmd).absolute?
   cmd.gsub! ' ', '\\ '  # Escape spaces in the filename.
 
-  archs = IO.popen("/usr/bin/file -L #{cmd}").readlines.inject([]) do |archs, line|
+  lines = `/usr/bin/file -L #{cmd}`
+  archs = lines.to_a.inject([]) do |archs, line|
     case line
     when /Mach-O (executable|dynamically linked shared library) ppc/
       archs << :ppc7400