From ef7eb0750c7791db5165293f7d7f6352805516bd Mon Sep 17 00:00:00 2001
From: Xu Cheng
Date: Thu, 4 Jun 2015 14:15:28 +0800
Subject: Pathname#version: support bottle version

Closes Homebrew/homebrew#40365.

Signed-off-by: Xu Cheng <xucheng@me.com>
---
 Library/Homebrew/extend/pathname.rb | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'Library/Homebrew')

diff --git a/Library/Homebrew/extend/pathname.rb b/Library/Homebrew/extend/pathname.rb
index ee8d8c9f4..1cbe50f86 100644
--- a/Library/Homebrew/extend/pathname.rb
+++ b/Library/Homebrew/extend/pathname.rb
@@ -197,7 +197,16 @@ class Pathname
 
   def version
     require 'version'
-    Version.parse(self)
+    if BOTTLE_EXTNAME_RX === to_s
+      begin
+        receipt = Utils.popen_read("tar", "-tzf", to_s, "*/*/INSTALL_RECEIPT.json").chomp
+        Version.new(receipt.split("/", 3)[1])
+      rescue
+        Version.parse(self)
+      end
+    else
+      Version.parse(self)
+    end
   end
 
   def compression_type
-- 
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