From 71a78b0e561c8a34275f8db69fd3a9406b0f7bcc Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Fri, 31 Jul 2009 00:55:00 +0100
Subject: FIX don't rmtree an already installed package

That's stupid.

Also don't fail to rmtree because nothing was installed.
---
 bin/brew | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/bin/brew b/bin/brew
index 2d3dc4da9..b8ab547d8 100755
--- a/bin/brew
+++ b/bin/brew
@@ -70,8 +70,6 @@ end
 
 def install formula
   require 'keg'
-
-  raise "#{formula.name} already installed!\n\t#{formula.prefix}" if formula.installed?
   
   beginning = Time.now
 
@@ -98,6 +96,9 @@ def install formula
       end
     end
   end
+  
+  raise "Nothing installed" unless formula.installed?
+  
   ohai 'Finishing up'
   keg=Keg.new formula
   keg.clean
@@ -109,7 +110,7 @@ def install formula
   end
   puts "#{keg.path}: "+abv(keg)+", built in #{pretty_duration Time.now-beginning}"
 rescue Exception
-  formula.prefix.rmtree
+  formula.prefix.rmtree if formula.prefix.directory?
   raise
 end
 
@@ -211,7 +212,9 @@ begin
     when 'install'
       require 'formula'
       extract_named_args.each do |name|
-        install Formula.create(name)
+        f=Formula.create(name)
+        raise "#{f.name} already installed!\n\t#{f.prefix}" if f.installed?
+        install f
       end
 
     when 'ln', 'link'
-- 
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