From b1fff3205584e1e42ae750b2af7ca17963929aa9 Mon Sep 17 00:00:00 2001
From: Xu Cheng <xucheng@me.com>
Date: Thu, 23 Jul 2015 14:09:32 +0800
Subject: [PATCH] BottleLoader: check version mismatch

Closes Homebrew/homebrew#42049.

Signed-off-by: Xu Cheng <xucheng@me.com>
---
 Library/Homebrew/exceptions.rb | 10 ++++++++++
 Library/Homebrew/formulary.rb  |  5 +++++
 2 files changed, 15 insertions(+)

diff --git a/Library/Homebrew/exceptions.rb b/Library/Homebrew/exceptions.rb
index 59a374535e..35dca72acc 100644
--- a/Library/Homebrew/exceptions.rb
+++ b/Library/Homebrew/exceptions.rb
@@ -301,3 +301,13 @@ class DuplicateResourceError < ArgumentError
     super "Resource #{resource.inspect} is defined more than once"
   end
 end
+
+class BottleVersionMismatchError < RuntimeError
+  def initialize bottle_file, bottle_version, formula, formula_version
+    super <<-EOS.undent
+      Bottle version mismatch
+      Bottle: #{bottle_file} (#{bottle_version})
+      Formula: #{formula.full_name} (#{formula_version})
+    EOS
+  end
+end
diff --git a/Library/Homebrew/formulary.rb b/Library/Homebrew/formulary.rb
index e5b79972df..f1fed506eb 100644
--- a/Library/Homebrew/formulary.rb
+++ b/Library/Homebrew/formulary.rb
@@ -90,6 +90,11 @@ class Formulary
     def get_formula(spec)
       formula = super
       formula.local_bottle_path = @bottle_filename
+      formula_version = formula.pkg_version
+      bottle_version =  bottle_resolve_version(@bottle_filename)
+      unless formula_version == bottle_version
+        raise BottleVersionMismatchError.new(@bottle_filename, bottle_version, formula, formula_version)
+      end
       formula
     end
   end