update vendor

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>

vendor/github.com/opencontainers/image-spec/Makefile

@@ -0,0 +1,146 @@
+GO15VENDOREXPERIMENT=1
+export GO15VENDOREXPERIMENT
+
+DOCKER ?= $(shell command -v docker 2>/dev/null)
+PANDOC ?= $(shell command -v pandoc 2>/dev/null)
+
+ifeq "$(strip $(PANDOC))" ''
+	ifneq "$(strip $(DOCKER))" ''
+		PANDOC = $(DOCKER) run \
+			-it \
+			--rm \
+			-v $(shell pwd)/:/input/:ro \
+			-v $(shell pwd)/$(OUTPUT_DIRNAME)/:/$(OUTPUT_DIRNAME)/ \
+			-u $(shell id -u) \
+			--workdir /input \
+			docker.io/vbatts/pandoc:1.17.0.3-2.fc25.x86_64
+		PANDOC_SRC := /input/
+		PANDOC_DST := /
+	endif
+endif
+
+# These docs are in an order that determines how they show up in the PDF/HTML docs.
+DOC_FILES := \
+	spec.md \
+	media-types.md \
+	descriptor.md \
+	image-layout.md \
+	manifest.md \
+	image-index.md \
+	layer.md \
+	config.md \
+	annotations.md \
+	conversion.md \
+	considerations.md \
+	implementations.md
+
+FIGURE_FILES := \
+	img/media-types.png
+
+OUTPUT_DIRNAME		?= output/
+DOC_FILENAME	?= oci-image-spec
+
+EPOCH_TEST_COMMIT ?= v0.2.0
+
+TOOLS := esc gitvalidation glide glide-vc
+
+default: check-license lint test
+
+help:
+	@echo "Usage: make <target>"
+	@echo
+	@echo " * 'docs' - produce document in the $(OUTPUT_DIRNAME) directory"
+	@echo " * 'fmt' - format the json with indentation"
+	@echo " * 'validate-examples' - validate the examples in the specification markdown files"
+	@echo " * 'schema-fs' - regenerate the virtual schema http/FileSystem"
+	@echo " * 'check-license' - check license headers in source files"
+	@echo " * 'lint' - Execute the source code linter"
+	@echo " * 'test' - Execute the unit tests"
+	@echo " * 'img/*.png' - Generate PNG from dot file"
+
+fmt:
+	for i in schema/*.json ; do jq --indent 2 -M . "$${i}" > xx && cat xx > "$${i}" && rm xx ; done
+
+docs: $(OUTPUT_DIRNAME)/$(DOC_FILENAME).pdf $(OUTPUT_DIRNAME)/$(DOC_FILENAME).html
+
+ifeq "$(strip $(PANDOC))" ''
+$(OUTPUT_DIRNAME)/$(DOC_FILENAME).pdf: $(DOC_FILES) $(FIGURE_FILES)
+	$(error cannot build $@ without either pandoc or docker)
+else
+$(OUTPUT_DIRNAME)/$(DOC_FILENAME).pdf: $(DOC_FILES) $(FIGURE_FILES)
+	@mkdir -p $(OUTPUT_DIRNAME)/ && \
+	$(PANDOC) -f markdown_github -t latex --latex-engine=xelatex -o $(PANDOC_DST)$@ $(patsubst %,$(PANDOC_SRC)%,$(DOC_FILES))
+	ls -sh $(realpath $@)
+
+$(OUTPUT_DIRNAME)/$(DOC_FILENAME).html: header.html $(DOC_FILES) $(FIGURE_FILES)
+	@mkdir -p $(OUTPUT_DIRNAME)/ && \
+	cp -ap img/ $(shell pwd)/$(OUTPUT_DIRNAME)/&& \
+	$(PANDOC) -f markdown_github -t html5 -H $(PANDOC_SRC)header.html --standalone -o $(PANDOC_DST)$@ $(patsubst %,$(PANDOC_SRC)%,$(DOC_FILES))
+	ls -sh $(realpath $@)
+endif
+
+header.html: .tool/genheader.go specs-go/version.go
+	go run .tool/genheader.go > $@
+
+validate-examples: schema/fs.go
+	go test -run TestValidate ./schema
+
+schema/fs.go: $(wildcard schema/*.json) schema/gen.go
+	cd schema && printf "%s\n\n%s\n" "$$(cat ../.header)" "$$(go generate)" > fs.go
+
+schema-fs: schema/fs.go
+	@echo "generating schema fs"
+
+check-license:
+	@echo "checking license headers"
+	@./.tool/check-license
+
+lint:
+	@echo "checking lint"
+	@./.tool/lint
+
+test: schema/fs.go
+	go test -race -cover $(shell go list ./... | grep -v /vendor/)
+
+img/%.png: img/%.dot
+	dot -Tpng $^ > $@
+
+
+# When this is running in travis, it will only check the travis commit range
+.gitvalidation:
+	@which git-validation > /dev/null 2>/dev/null || (echo "ERROR: git-validation not found. Consider 'make install.tools' target" && false)
+ifdef TRAVIS_COMMIT_RANGE
+	git-validation -q -run DCO,short-subject,dangling-whitespace
+else
+	git-validation -v -run DCO,short-subject,dangling-whitespace -range $(EPOCH_TEST_COMMIT)..HEAD
+endif
+
+install.tools: $(TOOLS:%=.install.%)
+
+.install.esc:
+	go get -u github.com/mjibson/esc
+
+.install.gitvalidation:
+	go get -u github.com/vbatts/git-validation
+
+.install.glide:
+	go get -u github.com/Masterminds/glide
+
+.install.glide-vc:
+	go get -u github.com/sgotti/glide-vc
+
+clean:
+	rm -rf *~ $(OUTPUT_DIRNAME) header.html
+
+.PHONY: \
+	$(TOOLS:%=.install.%) \
+	validate-examples \
+	check-license \
+	clean \
+	lint \
+	install.tools \
+	docs \
+	test \
+	.gitvalidation \
+	schema/fs.go \
+	schema-fs