From 9c16145d8c22e856ef7dca0ebcfca9519392687a Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Fri, 16 Mar 2012 15:14:20 +1300
Subject: Set MACOS_VERSION as 0 on non-OSX platforms.

---
 bin/brew | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'bin')

diff --git a/bin/brew b/bin/brew
index ba573c658..df0c45d4f 100755
--- a/bin/brew
+++ b/bin/brew
@@ -31,7 +31,7 @@ case HOMEBREW_PREFIX.to_s when '/', '/usr'
   # it may work, but I only see pain this route and don't want to support it
   abort "Cowardly refusing to continue at this prefix: #{HOMEBREW_PREFIX}"
 end
-if MACOS_VERSION < 10.5
+if MACOS and MACOS_VERSION < 10.5
   abort <<-EOABORT.undent
     Homebrew requires Leopard or higher. For Tiger support, see:
     http://github.com/sceaga/homebrew/tree/tiger
@@ -72,7 +72,7 @@ begin
 
   # Add example external commands to PATH before checking.
   ENV['PATH'] += ":#{HOMEBREW_REPOSITORY}/Library/Contributions/cmds"
-  if system "/usr/bin/which -s brew-#{cmd}"
+  if which_s "brew-#{cmd}"
     %w[CACHE CELLAR LIBRARY_PATH PREFIX REPOSITORY].each do |e|
       ENV["HOMEBREW_#{e}"] = Object.const_get "HOMEBREW_#{e}"
     end
-- 
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