export GO111MODULE=on
TOP_LEVEL=$(shell git rev-parse --show-toplevel)
COMMIT_HASH=$(shell git describe --always --tags --long)
GO_VERSION=$(shell go version | awk '{print $$3}')
COMMIT ?= $(if $(shell git status --porcelain --untracked-files=no),$(COMMIT_HASH)-dirty,$(COMMIT_HASH))
CONTAINER_RUNTIME := $(shell command -v podman 2> /dev/null || echo docker)
TMPDIR := $(shell mktemp -d)
TOOLSDIR := $(shell pwd)/hack/tools
PATH := bin:$(TOOLSDIR)/bin:$(PATH)
STACKER := $(shell which stacker)
GOLINTER := $(TOOLSDIR)/bin/golangci-lint
NOTATION := $(TOOLSDIR)/bin/notation
BATS := $(TOOLSDIR)/bin/bats
TESTDATA := $(TOP_LEVEL)/test/data
OS ?= linux
ARCH ?= amd64
BENCH_OUTPUT ?= stdout

.PHONY: all
all: modcheck swagger binary binary-minimal binary-debug cli bench exporter-minimal verify-config test covhtml check

.PHONY: modcheck
modcheck:
	go mod tidy

.PHONY: binary-debug
binary-debug: modcheck swagger
	env CGO_ENABLED=0 GOOS=$(OS) GOARCH=$(ARCH) go build -o bin/zot-$(OS)-$(ARCH)-debug -buildmode=pie -tags extended,containers_image_openpgp -v -gcflags all='-N -l' -ldflags "-X zotregistry.io/zot/pkg/api/config.Commit=${COMMIT} -X zotregistry.io/zot/pkg/api/config.BinaryType=extended -X zotregistry.io/zot/pkg/api/config.GoVersion=${GO_VERSION}" ./cmd/zot

.PHONY: binary-minimal
binary-minimal: modcheck swagger
	env CGO_ENABLED=0 GOOS=$(OS) GOARCH=$(ARCH) go build -o bin/zot-$(OS)-$(ARCH)-minimal -buildmode=pie -tags minimal,containers_image_openpgp -v -trimpath -ldflags "-X zotregistry.io/zot/pkg/api/config.Commit=${COMMIT} -X zotregistry.io/zot/pkg/api/config.BinaryType=minimal -X zotregistry.io/zot/pkg/api/config.GoVersion=${GO_VERSION} -s -w" ./cmd/zot

.PHONY: binary
binary: modcheck swagger
	env CGO_ENABLED=0 GOOS=$(OS) GOARCH=$(ARCH) go build -o bin/zot-$(OS)-$(ARCH) -buildmode=pie -tags extended,containers_image_openpgp -v -trimpath -ldflags "-X zotregistry.io/zot/pkg/api/config.Commit=${COMMIT} -X zotregistry.io/zot/pkg/api/config.BinaryType=extended -X zotregistry.io/zot/pkg/api/config.GoVersion=${GO_VERSION} -s -w" ./cmd/zot

.PHONY: cli
cli: modcheck
	env CGO_ENABLED=0 GOOS=$(OS) GOARCH=$(ARCH) go build -o bin/zli-$(OS)-$(ARCH) -buildmode=pie -tags extended,containers_image_openpgp -v -trimpath -ldflags "-X zotregistry.io/zot/pkg/api/config.Commit=${COMMIT} -X zotregistry.io/zot/pkg/api/config.BinaryType=extended -X zotregistry.io/zot/pkg/api/config.GoVersion=${GO_VERSION} -s -w" ./cmd/zli

.PHONY: bench
bench: modcheck
	env CGO_ENABLED=0 GOOS=$(OS) GOARCH=$(ARCH) go build -o bin/zb-$(OS)-$(ARCH) -buildmode=pie -tags extended,containers_image_openpgp -v -trimpath -ldflags "-X zotregistry.io/zot/pkg/api/config.Commit=${COMMIT} -X zotregistry.io/zot/pkg/api/config.BinaryType=extended -X zotregistry.io/zot/pkg/api/config.GoVersion=${GO_VERSION} -s -w" ./cmd/zb

.PHONY: exporter-minimal
exporter-minimal: modcheck
	env CGO_ENABLED=0 GOOS=$(OS) GOARCH=$(ARCH) go build -o bin/zxp-$(OS)-$(ARCH) -buildmode=pie -tags minimal,containers_image_openpgp -v -trimpath ./cmd/zxp

.PHONY: test
test: check-skopeo $(TESTDATA) $(NOTATION)
	go test -tags extended,containers_image_openpgp -v -trimpath -race -timeout 15m -cover -coverpkg ./... -coverprofile=coverage-extended.txt -covermode=atomic ./...
	go test -tags minimal,containers_image_openpgp -v -trimpath -race -cover -coverpkg ./... -coverprofile=coverage-minimal.txt -covermode=atomic ./...
	# development-mode unit tests possibly using failure injection
	go test -tags dev,extended,containers_image_openpgp -v -trimpath -race -timeout 15m -cover -coverpkg ./... -coverprofile=coverage-dev-extended.txt -covermode=atomic ./pkg/test/... ./pkg/api/... ./pkg/storage/... ./pkg/extensions/sync/... -run ^TestInject
	go test -tags dev,minimal,containers_image_openpgp -v -trimpath -race -cover -coverpkg ./... -coverprofile=coverage-dev-minimal.txt -covermode=atomic ./pkg/test/... ./pkg/storage/... ./pkg/extensions/sync/... -run ^TestInject
	go test -tags stress,extended,containers_image_openpgp -v -trimpath -race -timeout 15m ./pkg/cli/stress_test.go

.PHONY: privileged-test
privileged-test: check-skopeo $(TESTDATA) $(NOTATION)
	go test -tags needprivileges,extended,containers_image_openpgp -v -trimpath -race -timeout 15m -cover -coverpkg ./... -coverprofile=coverage-dev-needprivileges.txt -covermode=atomic ./pkg/storage/... ./pkg/cli/... -run ^TestElevatedPrivileges

$(TESTDATA): check-skopeo
	$(shell mkdir -p ${TESTDATA}; cd ${TESTDATA}; ../scripts/gen_certs.sh; cd ${TOP_LEVEL}; skopeo --insecure-policy copy -q docker://public.ecr.aws/t0x7q1g8/centos:7 oci:${TESTDATA}/zot-test:0.0.1;skopeo --insecure-policy copy -q docker://public.ecr.aws/t0x7q1g8/centos:8 oci:${TESTDATA}/zot-cve-test:0.0.1)
	$(shell chmod -R a=rwx ${TESTDATA})

.PHONY: run-bench
run-bench: binary bench
	bin/zot-$(OS)-$(ARCH) serve examples/config-bench.json &
	sleep 5
	bin/zb-$(OS)-$(ARCH) -c 10 -n 100 -o $(BENCH_OUTPUT) http://localhost:8080
	killall -r zot-*

.PHONY: check-skopeo
check-skopeo:
	skopeo -v || (echo "You need skopeo to be installed in order to run tests"; exit 1)

$(NOTATION):
	mkdir -p $(TOOLSDIR)/bin
	curl -Lo notation.tar.gz https://github.com/notaryproject/notation/releases/download/v0.7.1-alpha.1/notation_0.7.1-alpha.1_linux_amd64.tar.gz
	tar xvzf notation.tar.gz -C $(TOOLSDIR)/bin  notation
	rm notation.tar.gz

.PHONY: covhtml
covhtml:
	go install github.com/wadey/gocovmerge@latest
	gocovmerge coverage*.txt > coverage.txt
	go tool cover -html=coverage.txt -o coverage.html

$(GOLINTER):
	mkdir -p $(TOOLSDIR)/bin
	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(TOOLSDIR)/bin v1.43.0
	$(GOLINTER) version

.PHONY: check
check: ./golangcilint.yaml $(GOLINTER)
	$(GOLINTER) --config ./golangcilint.yaml run --enable-all --out-format=colored-line-number --build-tags minimal,containers_image_openpgp ./...
	$(GOLINTER) --config ./golangcilint.yaml run --enable-all --out-format=colored-line-number --build-tags extended,containers_image_openpgp ./...
	$(GOLINTER) --config ./golangcilint.yaml run --enable-all --out-format=colored-line-number --build-tags dev,minimal,containers_image_openpgp ./...
	$(GOLINTER) --config ./golangcilint.yaml run --enable-all --out-format=colored-line-number --build-tags dev,extended,containers_image_openpgp ./...
	$(GOLINTER) --config ./golangcilint.yaml run --enable-all --out-format=colored-line-number --build-tags stress,extended,containers_image_openpgp ./...

swagger/docs.go: 
	swag -v || go install github.com/swaggo/swag/cmd/swag
	swag init -o swagger -g pkg/api/routes.go

.PHONY: swagger
swagger: swagger/docs.go

.PHONY: update-licenses
update-licenses:
	@echo "Detecting and updating licenses ... please be patient!"
	go install github.com/google/go-licenses@latest
	$(shell echo "Module | License URL | License" > THIRD-PARTY-LICENSES.md; echo "---|---|---" >> THIRD-PARTY-LICENSES.md; for i in $$(go list -m all  | awk '{print $$1}'); do l=$$(go-licenses csv $$i 2>/dev/null); if [ $$? -ne 0 ]; then continue; fi; echo $$l | tr \, \| | tr ' ' '\n'; done | sort -u >> THIRD-PARTY-LICENSES.md)

.PHONY: check-licenses
check-licenses:
	go install github.com/google/go-licenses@latest
	@for tag in "extended,containers_image_openpgp" "minimal,containers_image_openpgp"; do \
		echo Evaluating tag: $$tag;\
		for mod in $$(go list -m -f '{{if not (or .Indirect .Main)}}{{.Path}}{{end}}' all); do \
			while [ x$$mod != x ]; do \
				echo -n "Checking $$mod ... "; \
				result=$$(GOFLAGS="-tags=$${tag}" go-licenses check $$mod 2>&1); \
				if [ $$? -eq 0 ]; then \
					echo OK; \
					break; \
				fi; \
				echo "$${result}" | grep -q "Forbidden"; \
				if [ $$? -eq 0 ]; then \
					echo FAIL; \
					exit 1; \
				fi; \
				echo "$${result}" | egrep -q "missing go.sum entry|no required module provides package|build constraints exclude all|updates to go.mod needed"; \
				if [ $$? -eq 0 ]; then \
					echo UNKNOWN; \
					break; \
				fi; \
			done; \
		 done; \
	 done

.PHONY: clean
clean:
	rm -f bin/z*
	rm -rf hack

.PHONY: run
run: binary test
	./bin/zot-$(OS)-$(ARCH) serve examples/config-test.json

.PHONY: verify-config
verify-config: _verify-config verify-config-warnings verify-config-commited

.PHONY: _verify-config
_verify-config: binary
	rm -f output.txt	
	$(foreach file, $(wildcard examples/config-*), ./bin/zot-$(OS)-$(ARCH) verify $(file) 2>&1 | tee -a output.txt || exit 1;)

.PHONY: verify-config-warnings
verify-config-warnings: _verify-config
	$(eval WARNINGS = $(shell cat output.txt | grep -c '"warn"'))
	$(eval ERRORS = $(shell cat output.txt | grep -c '"error"'))
	@if [ $(WARNINGS) != 0 ] || [ $(ERRORS) != 0 ]; then \
		echo "verify-config-warnings: warnings or errors found while verifying configs"; \
		rm output.txt; \
		exit 1; \
	fi
	rm -f output.txt

.PHONY: verify-config-commited
verify-config-commited: _verify-config
	$(eval UNCOMMITED_FILES = $(shell git status --porcelain | grep -c examples/config-))
	@if [ $(UNCOMMITED_FILES) != 0 ]; then \
		echo "Uncommited config files, make sure all config files are commited. Verify might have changed a config file.";\
		exit 1;\
	fi; \

.PHONY: binary-container
binary-container:
	${CONTAINER_RUNTIME} build ${BUILD_ARGS} -f Dockerfile -t zot-build:latest .

.PHONY: run-container
run-container:
	${CONTAINER_RUNTIME} run --rm --security-opt label=disable -v $$(pwd):/go/src/github.com/project-zot/zot \
		zot-build:latest 

.PHONY: binary-stacker
binary-stacker:
	sudo ${STACKER} build --substitute PWD=$$PWD

.PHONY: image
image:
	${CONTAINER_RUNTIME} build ${BUILD_ARGS} -f Dockerfile -t zot:latest .

$(BATS):
	rm -rf bats-core; \
	git clone https://github.com/bats-core/bats-core.git; \
	cd bats-core; ./install.sh $(TOOLSDIR); cd ..; \
	rm -rf bats-core

.PHONY: push-pull
push-pull: binary check-skopeo $(BATS)
	$(BATS) --trace --print-output-on-failure test/blackbox

.PHONY: push-pull-verbose
push-pull-verbose: binary check-skopeo $(BATS)
	$(BATS) --trace --verbose-run --print-output-on-failure --show-output-of-passing-tests test/blackbox