# 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