vendor updates

vendor/k8s.io/kubernetes/hack/make-rules/Makefile.manifest

@@ -0,0 +1,30 @@
+# Copyright 2018 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.
+
+.PHONY: manifest-tool 
+
+MANIFEST_TOOL_DIR := $(shell mktemp -d)
+export PATH := $(MANIFEST_TOOL_DIR):$(PATH)
+
+MANIFEST_TOOL_VERSION := v0.7.0
+
+space :=
+space +=
+comma := ,
+prefix_linux = $(addprefix linux/,$(strip $1))
+join_platforms = $(subst $(space),$(comma),$(call prefix_linux,$(strip $1)))
+
+manifest-tool:
+	curl -sSL https://github.com/estesp/manifest-tool/releases/download/$(MANIFEST_TOOL_VERSION)/manifest-tool-linux-amd64 > $(MANIFEST_TOOL_DIR)/manifest-tool
+	chmod +x $(MANIFEST_TOOL_DIR)/manifest-tool