VERSION := $(shell git rev-parse --short HEAD)
BUILDTIME := $(shell date -u '+%Y-%m-%dT%H:%M:%SZ')
BUILDUSER := $(shell whoami)
BUILDHOST := $(shell hostname -s)
BUILDARCH := $(shell uname -m)
APPNAME := merp

GOLDFLAGS += -X main.Version=$(VERSION)
GOLDFLAGS += -X main.Buildtime=$(BUILDTIME)
GOLDFLAGS += -X main.Builduser=$(BUILDUSER)@$(BUILDHOST)
GOLDFLAGS += -X main.Buildarch=$(BUILDARCH)
GOLDFLAGS += -X main.Appname=$(APPNAME)
GOFLAGS = -ldflags "$(GOLDFLAGS)"

default: run

run: build
	DEBUG=1 ./$(APPNAME)

build: ./$(APPNAME)

./$(APPNAME): *.go
	go build -o $@ $(GOFLAGS) .

clean:
	rm $(APPNAME)

fmt:
	go fmt *.go

test: build-image

build-and-push-image: push-image

push-image: build-image
	docker push sneak/$(APPNAME)

build-image:
	docker build \
		-t sneak/$(APPNAME):$(VERSION) \
		.