From ff1543e8d5e1c6182ccc0e4c64f9bc0f5c0dfebe Mon Sep 17 00:00:00 2001
From: Jeff Grafton <jgrafton@google.com>
Date: Tue, 19 Feb 2019 14:41:27 -0800
Subject: [PATCH] Ensure Docker experimental features are enabled before
 creating manifest

---
 test/images/image-util.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/images/image-util.sh b/test/images/image-util.sh
index cf882c431e..8e59188538 100755
--- a/test/images/image-util.sh
+++ b/test/images/image-util.sh
@@ -127,6 +127,8 @@ push() {
 
   kube::util::ensure-gnu-sed
 
+  # The manifest command is still experimental as of Docker 18.09.2
+  export DOCKER_CLI_EXPERIMENTAL="enabled"
   # Make archs list into image manifest. Eg: 'amd64 ppc64le' to '${REGISTRY}/${IMAGE}-amd64:${TAG} ${REGISTRY}/${IMAGE}-ppc64le:${TAG}'
   manifest=$(echo $archs | ${SED} -e "s~[^ ]*~$REGISTRY\/$IMAGE\-&:$TAG~g")
   docker manifest create --amend ${REGISTRY}/${IMAGE}:${TAG} ${manifest}