JSONNET_FMT := jsonnet fmt -n 2 --max-blank-lines 2 --string-style s --comment-style s

JB_BINARY:=$(GOPATH)/bin/jb
EMBEDMD_BINARY:=$(GOPATH)/bin/embedmd

all: generate fmt test

../../hack/jsonnet-docker-image: ../../scripts/jsonnet/Dockerfile
# Create empty target file, for the sole purpose of recording when this target
# was last executed via the last-modification timestamp on the file. See
# https://www.gnu.org/software/make/manual/make.html#Empty-Targets
	docker build -f - -t po-jsonnet . < ../../scripts/jsonnet/Dockerfile
	touch $@

generate-in-docker: ../../hack/jsonnet-docker-image
	@echo ">> Compiling assets and generating Kubernetes manifests"
	docker run \
	--rm \
	-u=$(shell id -u $(USER)):$(shell id -g $(USER)) \
	-v $(shell dirname $(dir $(abspath $(dir $$PWD)))):/go/src/github.com/coreos/prometheus-operator/ \
	--workdir /go/src/github.com/coreos/prometheus-operator/contrib/kube-prometheus \
	po-jsonnet make generate

generate: manifests **.md

**.md: $(EMBEDMD_BINARY) $(shell find examples) build.sh example.jsonnet
	$(EMBEDMD_BINARY) -w `find . -name "*.md" | grep -v vendor`

manifests: vendor example.jsonnet build.sh
	rm -rf manifests
	./build.sh

vendor: $(JB_BINARY) jsonnetfile.json jsonnetfile.lock.json
	rm -rf vendor
	$(JB_BINARY) install

fmt:
	find . -name 'vendor' -prune -o -name '*.libsonnet' -o -name '*.jsonnet' -print | \
		xargs -n 1 -- $(JSONNET_FMT) -i

test: $(JB_BINARY)
	$(JB_BINARY) install
	./test.sh

test-in-docker: ../../hack/jsonnet-docker-image
	@echo ">> Compiling assets and generating Kubernetes manifests"
	docker run \
	--rm \
	-u=$(shell id -u $(USER)):$(shell id -g $(USER)) \
	-v $(shell dirname $(dir $(abspath $(dir $$PWD)))):/go/src/github.com/coreos/prometheus-operator/ \
	--workdir /go/src/github.com/coreos/prometheus-operator/contrib/kube-prometheus \
	po-jsonnet make test

$(JB_BINARY):
	go get -u github.com/jsonnet-bundler/jsonnet-bundler/cmd/jb

$(EMBEDMD_BINARY):
	go get github.com/campoy/embedmd

.PHONY: generate generate-in-docker test test-in-docker fmt