From 0a27f041d03ff1196156eecc2ccfc9db05d1840c Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Wed, 13 Jan 2010 09:02:42 +0000
Subject: Print quotes around executed arguments with spaces

Eg: ['foo', 'bar la'] -> "foo 'bar la'"
---
 Library/Homebrew/global.rb | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

(limited to 'Library')

diff --git a/Library/Homebrew/global.rb b/Library/Homebrew/global.rb
index ce79da2ec..92513294f 100644
--- a/Library/Homebrew/global.rb
+++ b/Library/Homebrew/global.rb
@@ -61,11 +61,23 @@ HOMEBREW_USER_AGENT = "Homebrew #{HOMEBREW_VERSION} (Ruby #{RUBY_VERSION}-#{RUBY
 
 
 class ExecutionError <RuntimeError
-  attr :status
+  attr :exit_status
 
-  def initialize cmd, args=[], status=nil
-    super "Failure while executing: #{cmd} #{args*' '}"
-    @status = status
+  def initialize cmd, args = [], es = nil
+    super "Failure while executing: #{cmd} #{pretty(args)*' '}"
+    @exit_status = es.exitstatus rescue 1
+  end
+
+  private
+
+  def pretty args
+    args.collect do |arg|
+      if arg.include? ' '
+        "'#{ arg.gsub "'", "\\'" }'"
+      else
+        arg
+      end
+    end
   end
 end
 
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