From d518fca81c7ecebcb56feaabdb142dfd322b429c Mon Sep 17 00:00:00 2001
From: Adam Vandenberg <flangy@gmail.com>
Date: Mon, 13 Sep 2010 15:00:54 -0700
Subject: [PATCH] Fetch new tags for git repos when cached.

---
 Library/Homebrew/download_strategy.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index a15cea3c26..e57c2fc80c 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -257,7 +257,11 @@ class GitDownloadStrategy <AbstractDownloadStrategy
       safe_system 'git', 'clone', @url, @clone # indeed, leave it verbose
     else
       puts "Updating #{@clone}"
-      Dir.chdir(@clone) { quiet_safe_system 'git', 'fetch', @url }
+      Dir.chdir(@clone) do
+        quiet_safe_system 'git', 'fetch', @url
+        # If we're going to checkout a tag, then we need to fetch new tags too.
+        quiet_safe_system 'git', 'fetch', '--tags' if @spec == :tag
+      end
     end
   end