Add makefile

Makefile

@@ -0,0 +1,33 @@
+NAME := prompt
+VERSION := $(shell git describe --tags --abbrev=0)
+REVISION := $(shell git rev-parse --short HEAD)
+LDFLAGS := -X 'main.version=$(VERSION)' \
+           -X 'main.revision=$(REVISION)'
+
+.DEFAULT_GOAL := help
+
+setup:  ## Setup for required tools.
+	go get github.com/Masterminds/glide
+	go get github.com/golang/lint/golint
+	go get golang.org/x/tools/cmd/goimports
+	glide install
+
+fmt: ## Formatting source codes.
+	@goimports -w $$(glide nv -x)
+
+lint: ## Run golint and go vet.
+	@golint $$(glide novendor)
+	@go vet $$(glide novendor)
+
+test:  ## Run the tests.
+	@go test $$(glide novendor)
+
+build: main.go  ## Build a binary.
+	go build -ldflags "$(LDFLAGS)"
+
+help: ## Show help text
+	@echo "Commands:"
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "    \033[36m%-20s\033[0m %s\n", $$1, $$2}'
+
+.PHONY: setup fmt lint test help build
+