Makefile

BINARY    := cc-switch-cli
MODULE    := github.com/bigwhite/cc-switch-cli
VERSION   ?= $(shell git describe --tags --always --dirty 2>/dev/null || echo "dev")
COMMIT    := $(shell git rev-parse --short HEAD 2>/dev/null || echo "unknown")
BUILD_TIME:= $(shell date -u '+%Y-%m-%dT%H:%M:%SZ')
LDFLAGS   := -s -w \
             -X '$(MODULE)/cmd.Version=$(VERSION)' \
             -X '$(MODULE)/cmd.Commit=$(COMMIT)' \
             -X '$(MODULE)/cmd.BuildTime=$(BUILD_TIME)'

# Platforms for cross-compilation (CGO_ENABLED=0)
PLATFORMS := linux/amd64 linux/arm64 darwin/amd64 darwin/arm64 windows/amd64

.PHONY: all build clean test lint install cross-build help

all: build

## build: Build binary for current OS/arch
build:
	CGO_ENABLED=0 go build -ldflags "$(LDFLAGS)" -o $(BINARY) .

## install: Install binary to $GOPATH/bin
install:
	CGO_ENABLED=0 go install -ldflags "$(LDFLAGS)" .

## test: Run all tests
test:
	go test -race -count=1 ./...

## test-cover: Run tests with coverage report
test-cover:
	go test -race -coverprofile=coverage.out -count=1 ./...
	go tool cover -func=coverage.out

## lint: Run go vet
lint:
	go vet ./...

## clean: Remove build artifacts
clean:
	rm -f $(BINARY) coverage.out
	rm -rf dist/

## cross-build: Build for all target platforms
cross-build: clean
	@mkdir -p dist
	@for platform in $(PLATFORMS); do \
		os=$${platform%/*}; \
		arch=$${platform#*/}; \
		output=dist/$(BINARY)-$${os}-$${arch}; \
		if [ "$$os" = "windows" ]; then output=$${output}.exe; fi; \
		echo "Building $$output ..."; \
		CGO_ENABLED=0 GOOS=$$os GOARCH=$$arch go build -ldflags "$(LDFLAGS)" -o $$output . ; \
	done
	@echo "Done. Binaries in dist/"
	@ls -lh dist/

## release: Cross-build + show checksums
release: cross-build
	@cd dist && sha256sum * > sha256sums.txt
	@cat dist/sha256sums.txt

## help: Show this help
help:
	@echo "Usage: make <target>"
	@echo ""
	@sed -n 's/^## //p' $(MAKEFILE_LIST) | column -t -s ':'