From b63ec18564017534822d749e7e712cd0d45b8ef6 Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Tue, 6 Mar 2012 20:11:35 +0000
Subject: Proper single character switch handling

Includes a test. So now you can do `brew cleanup -ns` and it will work.
---
 Library/Homebrew/extend/ARGV.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'Library/Homebrew/extend')

diff --git a/Library/Homebrew/extend/ARGV.rb b/Library/Homebrew/extend/ARGV.rb
index 24d70cb1f..130058327 100644
--- a/Library/Homebrew/extend/ARGV.rb
+++ b/Library/Homebrew/extend/ARGV.rb
@@ -103,6 +103,16 @@ module HomebrewArgvExtension
     return false
   end
 
+  # eg. `foo -ns -i --bar` has three switches, n, s and i
+  def switch? switch_character
+    return false if switch_character.length > 1
+    options_only.each do |arg|
+      next if arg[1..1] == '-'
+      return true if arg.include? switch_character
+    end
+    return false
+  end
+
   def usage
     require 'cmd/help'
     Homebrew.help_s
-- 
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