feat: create makefile

makefile

@@ -0,0 +1,30 @@
+## help: print this help message
+.PHONY: help
+help:
+	@echo "Usage:"
+	@sed -n 's/^##//p' ${MAKEFILE_LIST} | column -t -s ':' | sed -e 's/^/ /'
+
+## audit: format, vet, and test code
+.PHONY: audit 
+audit:
+	@echo "Formatting code."
+	gofumpt -w .
+	@echo "Vetting code."
+	go vet ./...
+	staticcheck ./...
+	@echo "Running tests."
+	go test -race -vet=off ./...
+
+ver = $(shell git describe --always --dirty --tags --long)
+linker_flags = "-s -X 'tshaka.co/bat/internal/cli.ver=${ver}'"
+## build: build the cmd/bat application
+.PHONY: build
+build:
+	@echo "Building bat."
+	GOOS=linux GOARCH=amd64 go build -ldflags=${linker_flags} ./cmd/bat/
+
+## release: package bat binary into a zip file
+.PHONY: release
+release: build
+	@echo "Packaging bat."
+	zip bat.zip ./bat