add source code installing (#1113)

Makefile

@@ -0,0 +1,57 @@
+user	:=	$(shell whoami)
+rev 	:= 	$(shell git rev-parse --short HEAD)
+
+# GOBIN > GOPATH > INSTALLDIR
+GOBIN	:=	$(shell echo ${GOBIN} | cut -d':' -f1)
+GOPATH	:=	$(shell echo $(GOPATH) | cut -d':' -f1)
+BIN		:= 	""
+
+# check GOBIN
+ifneq ($(GOBIN),)
+	BIN=$(GOBIN)
+else
+	# check GOPATH
+	ifneq ($(GOPATH),)
+		BIN=$(GOPATH)/bin
+	endif
+endif
+
+all:
+	@cd cmd/kratos && go build && cd - &> /dev/null
+	@cd cmd/protoc-gen-go-errors && go build && cd - &> /dev/null
+	@cd cmd/protoc-gen-go-http && go build && cd - &> /dev/null
+
+.PHONY: install
+.PHONY: uninstall
+.PHONY: clean
+.PHONY: fmt
+
+install: all
+ifeq ($(user),root)
+#root, install for all user
+	@cp ./cmd/kratos/kratos /usr/bin
+	@cp ./cmd/protoc-gen-go-errors/protoc-gen-go-errors /usr/bin
+	@cp ./cmd/protoc-gen-go-http/protoc-gen-go-http /usr/bin
+else
+#!root, install for current user
+	$(shell if [ -z $(BIN) ]; then read -p "Please select installdir: " REPLY; mkdir -p $${REPLY};\
+	cp ./cmd/kratos/kratos $${REPLY}/;cp ./cmd/protoc-gen-go-errors/protoc-gen-go-errors $${REPLY}/;cp ./cmd/protoc-gen-go-http/protoc-gen-go-http $${REPLY}/;else mkdir -p $(BIN);\
+	cp ./cmd/kratos/kratos $(BIN);cp ./cmd/protoc-gen-go-errors/protoc-gen-go-errors $(BIN);cp ./cmd/protoc-gen-go-http/protoc-gen-go-http $(BIN); fi)
+endif
+	@which protoc-gen-go &> /dev/null || go get google.golang.org/protobuf/cmd/protoc-gen-go
+	@which protoc-gen-go-grpc &> /dev/null || go get google.golang.org/grpc/cmd/protoc-gen-go-grpc
+	@which protoc-gen-validate  &> /dev/null || go get github.com/envoyproxy/protoc-gen-validate
+	@echo "install finished"
+
+uninstall:
+	$(shell for i in `which -a kratos | grep -v '/usr/bin/kratos' 2>/dev/null | sort | uniq`; do read -p "Press to remove $${i} (y/n): " REPLY; if [ $${REPLY} = "y" ]; then rm -f $${i}; fi; done)
+	$(shell for i in `which -a protoc-gen-go-grpc | grep -v '/usr/bin/protoc-gen-go-errors' 2>/dev/null | sort | uniq`; do read -p "Press to remove $${i} (y/n): " REPLY; if [ $${REPLY} = "y" ]; then rm -f $${i}; fi; done)
+	$(shell for i in `which -a protoc-gen-validate | grep -v '/usr/bin/protoc-gen-go-errors' 2>/dev/null | sort | uniq`; do read -p "Press to remove $${i} (y/n): " REPLY; if [ $${REPLY} = "y" ]; then rm -f $${i}; fi; done)
+	@echo "uninstall finished"
+
+clean:
+	@go mod tidy
+	@echo "clean finished"
+
+fmt:
+	@gofmt -s -w .

README.md

@@ -49,9 +49,18 @@ Kratos boosts your productivity. With the integration of excellent resources and
 - [protoc-gen-go](https://github.com/protocolbuffers/protobuf-go)
 
 ### Installing
+##### install from go get:
 ```
 go get github.com/go-kratos/kratos/cmd/kratos/v2@latest
+kratos upgrade
 ```
+##### install from source code：
+```
+git clone https://github.com/go-kratos/kratos
+cd kratos
+make install
+```
+
 ### Create a service
 ```
 # create project template

README_zh.md

@@ -49,9 +49,18 @@ Kratos 一套轻量级 Go 微服务框架，包含大量微服务相关框架及
 - [protoc-gen-go](https://github.com/protocolbuffers/protobuf-go)
 
 ### Installing
+##### go get 安装：
 ```
 go get github.com/go-kratos/kratos/cmd/kratos/v2@latest
+kratos upgrade
 ```
+##### 源码编译安装：
+```
+git clone https://github.com/go-kratos/kratos
+cd kratos
+make install
+```
+
 ### Create a service
 ```
 # 创建项目模板