feat: add version info

Makefile

@@ -1,9 +1,15 @@
+version=$(shell git rev-parse --short HEAD)
+
 idl:
 	rm -rf pb/*.pb.go
 	protoc -I=. pb/*.proto --go_out=plugins=grpc:.
 
 bin:
 	rm -rf exec_bin
 	mkdir exec_bin
-	go build -ldflags "-s -w" -o ./exec_bin/client ./client/*.go
-	go build -ldflags "-s -w" -o ./exec_bin/server ./server/*.go
+	GOOS=darwin GOARCH=amd64 go build -ldflags "-s -w -X main.version=$(version)" -o ./exec_bin/server-darwin ./server/*.go
+	GOOS=darwin GOARCH=amd64 go build -ldflags "-s -w -X main.version=$(version)" -o ./exec_bin/client-darwin ./client/*.go
+	GOOS=linux GOARCH=amd64 go build -ldflags "-s -w -X main.version=$(version)" -o ./exec_bin/server-linux ./server/*.go
+	GOOS=linux GOARCH=amd64 go build -ldflags "-s -w -X main.version=$(version)" -o ./exec_bin/client-linux ./client/*.go
+
+

client/main.go

@@ -3,11 +3,13 @@ package main
 import (
 	"flag"
 	"net"
+	"os"
+	"runtime"
 	"time"
 
 	"../lib"
-	"../pb"
 	"../log"
+	"../pb"
 
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
@@ -16,14 +18,23 @@ import (
 var addr = ":50050"
 var remoteAddr = ""
 var debug bool
+var showVersion bool
+
+var version = "self-build"
 
 func init() {
 	flag.StringVar(&addr, "l", addr, "listen addr")
 	flag.StringVar(&remoteAddr, "r", remoteAddr, "remote addr")
 	flag.BoolVar(&debug, "d", false, "debug mode")
+	flag.BoolVar(&showVersion, "v", false, "show version then exist")
 
 	flag.Parse()
 
+	if showVersion {
+		log.Infof("version: %s, using: %s", version, runtime.Version())
+		os.Exit(0)
+	}
+
 	if remoteAddr == "" {
 		log.Fatalf("remote addr can not be empty")
 	}

server/main.go

@@ -3,23 +3,34 @@ package main
 import (
 	"flag"
 	"net"
+	"os"
+	"runtime"
 
 	"../lib"
-	"../pb"
 	"../log"
+	"../pb"
 
 	"google.golang.org/grpc"
 )
 
 var addr = ":50051"
 var debug = false
+var showVersion bool
+
+var version = "self-build"
 
 func init() {
 	flag.StringVar(&addr, "l", addr, "listen addr")
 	flag.BoolVar(&debug, "d", debug, "debug mode")
+	flag.BoolVar(&showVersion, "v", false, "show version then exist")
 
 	flag.Parse()
 
+	if showVersion {
+		log.Infof("version: %s, using: %s", version, runtime.Version())
+		os.Exit(0)
+	}
+
 	if debug {
 		log.SetDebugMode()
 	}