From 0473cb93acec880b1396e5f2fdeb150329b0406e Mon Sep 17 00:00:00 2001
From: Gyu-Ho Lee <gyuhox@gmail.com>
Date: Fri, 4 Dec 2015 11:37:01 -0800
Subject: [PATCH] build: parse go version at go tip

This parses go version when build is running
in moast recent go master branch.
---
 build | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/build b/build
index b6e2877ab2b..7aea4c14aef 100755
--- a/build
+++ b/build
@@ -14,11 +14,18 @@ eval $(go env)
 GIT_SHA=`git rev-parse --short HEAD || echo "GitNotFound"`
 
 val=$(go version)
-ver=$(echo $val | awk -F ' ' '{print $3}' | awk -F '.' '{print $2}')
-if [ $ver -gt 4 ]; then
+# if 'go version' contains string 'devel', it assumes the go tip branch,
+# which is greater than go 1.5+.
+if [[ $val == *"devel"* ]]
+then
 	LINK_OPERATOR="="
 else
-	LINK_OPERATOR=" "
+	ver=$(echo $val | awk -F ' ' '{print $3}' | awk -F '.' '{print $2}')
+	if [ $ver -gt 4 ]; then
+		LINK_OPERATOR="="
+	else
+		LINK_OPERATOR=" "
+	fi
 fi
 
 # Static compilation is useful when etcd is run in a container