# Makefile for cordctl

# Set bash for fail quickly
SHELL = bash -eu -o pipefail

ifeq ($(GOPATH),)
  $(error Please set your GOPATH)
endif

VERSION     ?= $(shell cat $(GOPATH)/src/github.com/opencord/cordctl/VERSION)
GOVERSION    = $(shell go version 2>&1 | sed -E  's/.*(go[0-9]+\.[0-9]+\.[0-9]+).*/\1/g')

GITCOMMIT   ?= $(shell git log --pretty=format:"%h" -n 1)
ifeq ($(shell git ls-files --others --modified --exclude-standard 2>/dev/null | wc -l | sed -e 's/ //g'),0)
	GITDIRTY  := false
else
	GITDIRTY  := true
endif

# build target creates binaries for host OS and arch
HOST_OS     ?= $(shell uname -s | tr A-Z a-z)

# uname and golang disagree on name of CPU architecture
ifeq ($(shell uname -m),x86_64)
	HOST_ARCH ?= amd64
else
	HOST_ARCH ?= $(shell uname -m)
endif

BUILDTIME    = $(shell date -u +"%Y-%m-%dT%H:%M:%SZ")

LDFLAGS      = -ldflags \
	'-X "github.com/opencord/cordctl/cli/version.Version=$(VERSION)"  \
	 -X "github.com/opencord/cordctl/cli/version.GitCommit=$(GITCOMMIT)"  \
	 -X "github.com/opencord/cordctl/cli/version.GitDirty=$(GITDIRTY)"  \
	 -X "github.com/opencord/cordctl/cli/version.GoVersion=$(GOVERSION)"  \
	 -X "github.com/opencord/cordctl/cli/version.Os=$$GOOS" \
	 -X "github.com/opencord/cordctl/cli/version.Arch=$$GOARCH" \
	 -X "github.com/opencord/cordctl/cli/version.BuildTime=$(BUILDTIME)"'

help:

build: dependencies
	GOOS=$(HOST_OS) GOARCH=$(HOST_ARCH) go build $(LDFLAGS) cmd/cordctl.go

dependencies:
	[ -d "vendor" ] || dep ensure

lint: dependencies
	find $(GOPATH)/src/github.com/opencord/cordctl -name "*.go" -not -path '$(GOPATH)/src/github.com/opencord/cordctl/vendor/*' | xargs gofmt -l
	go vet ./...
	dep check

test: dependencies
	@mkdir -p ./tests/results
	@go test -v -coverprofile ./tests/results/go-test-coverage.out -covermode count ./... 2>&1 | tee ./tests/results/go-test-results.out ;\
	RETURN=$$? ;\
	go-junit-report < ./tests/results/go-test-results.out > ./tests/results/go-test-results.xml ;\
	gocover-cobertura < ./tests/results/go-test-coverage.out > ./tests/results/go-test-coverage.xml ;\
	exit $$RETURN


# Release related items
# Generates binaries in $RELEASE_DIR with name $RELEASE_NAME-$RELEASE_OS_ARCH
# Inspired by: https://github.com/kubernetes/minikube/releases
RELEASE_DIR     ?= release
RELEASE_NAME    ?= cordctl
RELEASE_OS_ARCH ?= linux-amd64 windows-amd64 darwin-amd64
RELEASE_BINS    := $(foreach rel,$(RELEASE_OS_ARCH),$(RELEASE_DIR)/$(RELEASE_NAME)-$(rel))

# Functions to extract the OS/ARCH
rel_os    = $(word 2, $(subst -, ,$(notdir $@)))
rel_arch  = $(word 3, $(subst -, ,$(notdir $@)))

$(RELEASE_BINS): dependencies
	GOOS=$(rel_os) GOARCH=$(rel_arch) go build -v $(LDFLAGS) -o "$@" cmd/cordctl.go

release: $(RELEASE_BINS)

clean:
	rm -f cordctl $(RELEASE_BINS)
	rm -rf vendor
	rm -f Gopkg.lock