From bf5c3bc9ddc03929c4009fefc445e764ed7eac74 Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Thu, 10 Dec 2015 13:18:23 +0800
Subject: [PATCH] Avoid duplicate building for PR

---
 appveyor.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/appveyor.yml b/appveyor.yml
index a3fd51925588..0fa0c0d9bddd 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -14,6 +14,10 @@ install:
   - cmd: SET PATH=C:\python27;%PATH%
   - cmd: python script/cibuild
 
+branches:
+  only:
+    - master
+
 # disable build and test pahses
 build: off
 test: off