From df113d3ce620963f8b821944f18c9f529ff10239 Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Wed, 17 Aug 2011 12:30:21 +0100
Subject: Only error out for `sudo brew install`

Note this only happens if Homebrew is *not* installed sudo. Which is most of the time true.

Fixes Homebrew/homebrew#6899---
 Library/Homebrew/cmd/install.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'Library')

diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index e31b1b35e..b7f9e7cae 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -9,6 +9,12 @@ module Homebrew extend self
       raise "No available formula for #{name}\n#{msg}" if msg
     end unless ARGV.force?
 
+    if Process.uid.zero? and not File.stat(HOMEBREW_BREW_FILE).uid.zero?
+      # note we only abort if Homebrew is *not* installed as sudo and the user
+      # calls brew as root. The fix is to chown brew to root.
+      abort "Cowardly refusing to `sudo brew install'"
+    end
+
     install_formulae ARGV.formulae
   end
 
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