From 4075258bf2713ba4f819d20c6f99cbf12d97f909 Mon Sep 17 00:00:00 2001
From: deads2k <deads@redhat.com>
Date: Wed, 4 Jan 2017 18:12:33 -0500
Subject: [PATCH] add import cycle checking for staging to verify scripts

---
 hack/verify-staging-imports.sh | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100755 hack/verify-staging-imports.sh

diff --git a/hack/verify-staging-imports.sh b/hack/verify-staging-imports.sh
new file mode 100755
index 00000000000..56944b4055a
--- /dev/null
+++ b/hack/verify-staging-imports.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Copyright 2017 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
+source "${KUBE_ROOT}/hack/lib/init.sh"
+
+kube::golang::setup_env
+
+
+for dep in $(ls -1 ${KUBE_ROOT}/staging/src/k8s.io/); do
+	if go list -f {{.Deps}} ./vendor/k8s.io/${dep}/... | sed 's/ /\n/g' - | grep k8s.io/kubernetes | grep -v 'k8s.io/kubernetes/vendor' | LC_ALL=C sort -u | grep -e "."; then
+		echo "${dep} has a cyclical dependency"
+		exit 1
+	fi
+done
+
+exit 0
\ No newline at end of file