From 68a654dd267ff6f0ca7ee5300fccddddaabe803a Mon Sep 17 00:00:00 2001
From: Xu Cheng <xucheng@me.com>
Date: Wed, 13 May 2015 18:32:37 +0800
Subject: [PATCH] pull: warning if we are not in master

Closes Homebrew/homebrew#39708.

Signed-off-by: Xu Cheng <xucheng@me.com>
---
 Library/Homebrew/cmd/pull.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Library/Homebrew/cmd/pull.rb b/Library/Homebrew/cmd/pull.rb
index 5d876fbb77..9eeabe1350 100644
--- a/Library/Homebrew/cmd/pull.rb
+++ b/Library/Homebrew/cmd/pull.rb
@@ -94,6 +94,10 @@ module Homebrew
       revision = `git rev-parse --short HEAD`.strip
       branch = `git symbolic-ref --short HEAD`.strip
 
+      unless branch == "master"
+        opoo "Current branch is #{branch}: do you need to pull inside master?"
+      end
+
       pull_url url
 
       changed_formulae = []