From fbcf500a48bd8a6be2f009c35be5ae971e841b87 Mon Sep 17 00:00:00 2001
From: Misty De Meo
Date: Thu, 3 Nov 2016 16:36:20 -0700
Subject: Version.parse: return Version::NULL for unparseable strings

---
 Library/Homebrew/test/testing_env.rb | 2 +-
 Library/Homebrew/version.rb          | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/test/testing_env.rb b/Library/Homebrew/test/testing_env.rb
index 5f98ace15..4f2619464 100644
--- a/Library/Homebrew/test/testing_env.rb
+++ b/Library/Homebrew/test/testing_env.rb
@@ -36,7 +36,7 @@ module Homebrew
     end
 
     def assert_version_nil(url)
-      assert_nil Version.parse(url)
+      assert Version.parse(url).null?
     end
   end
 
diff --git a/Library/Homebrew/version.rb b/Library/Homebrew/version.rb
index 433964dc7..57a9c11a5 100644
--- a/Library/Homebrew/version.rb
+++ b/Library/Homebrew/version.rb
@@ -287,7 +287,7 @@ class Version
 
   def self.parse(spec)
     version = _parse(spec)
-    new(version) unless version.nil?
+    version.nil? ? NULL : new(version)
   end
 
   def self._parse(spec)
-- 
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