BINARY := magpie
VERSION ?= $(shell git describe --tags --always --dirty 2>/dev/null || printf dev)
COMMIT ?= $(shell git rev-parse --short HEAD 2>/dev/null || printf unknown)
DATE ?= $(shell date -u +%Y-%m-%dT%H:%M:%SZ)
LDFLAGS := -s -w -X main.version=$(VERSION) -X main.commit=$(COMMIT) -X main.date=$(DATE)
DIST := dist

.PHONY: all fmt test build clean checksums release snapshot

all: fmt test build

fmt:
	gofmt -w .

test:
	go test ./...

build:
	mkdir -p $(DIST)
	CGO_ENABLED=0 go build -trimpath -ldflags "$(LDFLAGS)" -o $(DIST)/$(BINARY) .

snapshot: clean
	mkdir -p $(DIST)
	GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -trimpath -ldflags "$(LDFLAGS)" -o $(DIST)/$(BINARY)_linux_amd64 .
	GOOS=linux GOARCH=arm64 CGO_ENABLED=0 go build -trimpath -ldflags "$(LDFLAGS)" -o $(DIST)/$(BINARY)_linux_arm64 .
	GOOS=darwin GOARCH=amd64 CGO_ENABLED=0 go build -trimpath -ldflags "$(LDFLAGS)" -o $(DIST)/$(BINARY)_darwin_amd64 .
	GOOS=darwin GOARCH=arm64 CGO_ENABLED=0 go build -trimpath -ldflags "$(LDFLAGS)" -o $(DIST)/$(BINARY)_darwin_arm64 .
	GOOS=windows GOARCH=amd64 CGO_ENABLED=0 go build -trimpath -ldflags "$(LDFLAGS)" -o $(DIST)/$(BINARY)_windows_amd64.exe .

checksums:
	cd $(DIST) && sha256sum * > SHA256SUMS

release: snapshot checksums

clean:
	rm -rf $(DIST)