From 8d5c445daa7520c75f7b3c2a132eda2ec86e0727 Mon Sep 17 00:00:00 2001
From: Xu Cheng
Date: Tue, 1 Sep 2015 16:53:55 +0800
Subject: homebrew_version_string: check git available

---
 Library/Homebrew/utils.rb | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'Library')

diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index 867c747f8..1fa081419 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -162,8 +162,7 @@ module Homebrew
   end
 
   def self.homebrew_version_string
-    pretty_revision = git_short_head
-    if pretty_revision
+    if Utils.git_available? && (pretty_revision = git_short_head)
       last_commit = git_last_commit_date
       "#{HOMEBREW_VERSION} (git revision #{pretty_revision}; last commit #{last_commit})"
     else
-- 
cgit v1.2.3