Makefile

BUILDPATH=$(CURDIR)
BINPATH=$(BUILDPATH)/bin
PKGPATH=$(BUILDPATH)/pkg

GO=$(shell which go)
GOGET=$(GO) get
VERSION ?= 0.4.0

PLATFORMS := darwin/amd64 linux/amd64 freebsd/amd64 darwin/arm64 linux/arm64
PLATFORM = $(subst /, ,$@)
OS = $(word 1, $(PLATFORM))
ARCH = $(word 2, $(PLATFORM))

EXENAME=locar
GOBUILD=$(GO) build

.PHONY: makedir get_deps build test clean prepare default all $(PLATFORMS)
.DEFAULT_GOAL := default

makedir:
	@echo -n "make directories... "
	@if [ ! -d $(BINPATH) ] ; then mkdir -p $(BINPATH) ; fi
	@if [ ! -d $(PKGPATH) ] ; then mkdir -p $(PKGPATH) ; fi
	@echo ok

get_deps:
	@echo -n "get dependencies... "
	@$(GOGET) "github.com/jessevdk/go-flags"
	@$(GOGET) "github.com/gobwas/glob"
	@echo ok

build:
	@echo -n "run build... "
	@$(GOBUILD) -o $(BINPATH)/$(EXENAME)
	@echo ok

test:
	@echo -n "Validating with gofmt"
	@if [ ! -z "$(shell gofmt -l .)" ] ; then echo "gofmt had something to say:" && gofmt -l . && exit 1; fi
	@echo -n "Validating with go vet"
	@go vet ./...
	@echo ok

clean:
	@echo -n "clean directories... "
	@rm -rf $(BINPATH)
	@rm -rf $(PKGPATH)
	@rm -rf $(BUILDPATH)/src
	@echo ok

prepare: test makedir get_deps

default: prepare build

$(PLATFORMS):
	@echo -n "build $(OS)/$(ARCH)... "
	$(eval EXT := $(shell if [ "$(OS)" = "windows" ]; then echo .exe; fi))
	@GOOS=$(OS) GOARCH=$(ARCH) $(GOBUILD) -a -o $(BINPATH)/$(EXENAME)_$(OS)_$(ARCH)$(EXT) -ldflags '-X main.Version=v'$(VERSION)' -extldflags "-static"' $(CMDSOURCES)
	@echo ok

all: default $(PLATFORMS)