Makefile

CMD_DESTDIR ?= /usr/local
PREFIX ?= $(CURDIR)/out/
CMD=buildg

PKG=github.com/ktock/buildg
VERSION=$(shell git describe --match 'v[0-9]*' --dirty='.m' --always --tags)
REVISION=$(shell git rev-parse HEAD)$(shell if ! git diff --no-ext-diff --quiet --exit-code; then echo .m; fi)
GO_EXTRA_LDFLAGS=-extldflags '-static'
GO_LD_FLAGS=-ldflags '-s -w -X $(PKG)/pkg/version.Version=$(VERSION) -X $(PKG)/pkg/version.Revision=$(REVISION) $(GO_EXTRA_LDFLAGS)'
GO_BUILDTAGS=-tags "osusergo netgo static_build"

all: build

build: buildg

buildg:
	CGO_ENABLED=0 go build -o $(PREFIX)/buildg $(GO_LD_FLAGS) $(GO_BUILDTAGS) -v .

install:
	install -D -m 755 $(PREFIX)/buildg $(CMD_DESTDIR)/bin

artifacts: clean
	GOOS=linux GOARCH=amd64 make buildg
	tar -C $(PREFIX) --owner=0 --group=0 -zcvf $(PREFIX)/buildg-$(VERSION)-linux-amd64.tar.gz buildg

	GOOS=linux GOARCH=arm64 make buildg
	tar -C $(PREFIX) --owner=0 --group=0 -zcvf $(PREFIX)/buildg-$(VERSION)-linux-arm64.tar.gz buildg

	DOCKER_BUILDKIT=1 docker build --output type=tar,dest=$(PREFIX)/buildg-full-$(VERSION)-linux-amd64.tar --target out-full --platform amd64 $(CURDIR)
	gzip -9 $(PREFIX)/buildg-full-$(VERSION)-linux-amd64.tar

	DOCKER_BUILDKIT=1 docker build --output type=tar,dest=$(PREFIX)/buildg-full-$(VERSION)-linux-arm64.tar --target out-full --platform arm64 $(CURDIR)
	gzip -9 $(PREFIX)/buildg-full-$(VERSION)-linux-arm64.tar

	rm -f $(PREFIX)/buildg

clean:
	rm -f $(CURDIR)/out/*