From 8bd9c994ca664205373c54cd173e02af04fdff9b Mon Sep 17 00:00:00 2001
From: JieJhih Jhang <jiejhihjhang@gmail.com>
Date: Thu, 30 Jan 2020 12:52:09 +0800
Subject: [PATCH] fix command variable exited with status 1

---
 hack/lib/util.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/hack/lib/util.sh b/hack/lib/util.sh
index ecb7c2f09dc..119db4ea587 100755
--- a/hack/lib/util.sh
+++ b/hack/lib/util.sh
@@ -700,8 +700,7 @@ function kube::util::ensure_dockerized {
 function kube::util::ensure-gnu-sed {
   # NOTE: the echo below is a workaround to ensure sed is executed before the grep.
   # see: https://github.com/kubernetes/kubernetes/issues/87251
-  sed_help="$(LANG=C sed --help 2>&1)"
-  if echo "${sed_help}" | grep -q "GNU\|BusyBox"; then
+  if LANG=C sed --help 2>&1 | grep -q "GNU\|BusyBox"; then
     SED="sed"
   elif command -v gsed &>/dev/null; then
     SED="gsed"