From 612745352d960a17b4dbaaf08987959ff8370898 Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Sun, 17 Feb 2013 15:41:24 -0600
Subject: [PATCH] GitDownloadStrategy: generalize has_tag? to has_ref?

---
 Library/Homebrew/download_strategy.rb | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index cbfb002542..6927079edd 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -356,8 +356,8 @@ class GitDownloadStrategy < AbstractDownloadStrategy
     @clone.join(".git")
   end
 
-  def has_tag?(tag)
-    quiet_system @@git, '--git-dir', git_dir, 'rev-parse', '-q', '--verify', tag
+  def has_ref?
+    quiet_system @@git, '--git-dir', git_dir, 'rev-parse', '-q', '--verify', @ref
   end
 
   def support_depth?
@@ -401,7 +401,7 @@ class GitDownloadStrategy < AbstractDownloadStrategy
   end
 
   def update_repo
-    unless @spec == :tag && has_tag?(@ref)
+    unless @spec == :tag && has_ref?
       quiet_safe_system @@git, 'fetch', 'origin'
     end
   end