feat: exit with non-zero code on errors (#1218)

* feat: exit with non-zero code on errors

* chore: use const for code

tools/goctl/goctl.go

@@ -9,7 +9,6 @@ import (
 	"github.com/logrusorgru/aurora"
 	"github.com/tal-tech/go-zero/core/load"
 	"github.com/tal-tech/go-zero/core/logx"
-	"github.com/tal-tech/go-zero/core/stat"
 	"github.com/tal-tech/go-zero/tools/goctl/api/apigen"
 	"github.com/tal-tech/go-zero/tools/goctl/api/dartgen"
 	"github.com/tal-tech/go-zero/tools/goctl/api/docgen"
@@ -36,6 +35,11 @@ import (
 	pluginCtl "github.com/zeromicro/protobuf/protoc-gen-go"
 )
 
+const (
+	protocGenGoctl = "protoc-gen-goctl"
+	codeFailure    = 1
+)
+
 var commands = []cli.Command{
 	{
 		Name:   "upgrade",
@@ -646,28 +650,6 @@ var commands = []cli.Command{
 	},
 }
 
-func main() {
-	logx.Disable()
-	load.Disable()
-	stat.DisableLog()
-
-	args := os.Args
-	pluginName := filepath.Base(args[0])
-	if pluginName == protocGenGoctl {
-		pluginCtl.Generate()
-		return
-	}
-
-	app := cli.NewApp()
-	app.Usage = "a cli tool to generate code"
-	app.Version = fmt.Sprintf("%s %s/%s", version.BuildVersion, runtime.GOOS, runtime.GOARCH)
-	app.Commands = commands
-	// cli already print error messages
-	if err := app.Run(os.Args); err != nil {
-		fmt.Println(aurora.Red(errorx.Wrap(err).Error()))
-	}
-}
-
 func init() {
 	err := linkProtocGenGoctl()
 	if err != nil {
@@ -675,8 +657,6 @@ func init() {
 	}
 }
 
-const protocGenGoctl = "protoc-gen-goctl"
-
 func linkProtocGenGoctl() error {
 	path, err := env.LookPath("goctl")
 	if err != nil {
@@ -698,3 +678,26 @@ func linkProtocGenGoctl() error {
 	}
 	return nil
 }
+
+func main() {
+	logx.Disable()
+	load.Disable()
+
+	args := os.Args
+	pluginName := filepath.Base(args[0])
+	if pluginName == protocGenGoctl {
+		pluginCtl.Generate()
+		return
+	}
+
+	app := cli.NewApp()
+	app.Usage = "a cli tool to generate code"
+	app.Version = fmt.Sprintf("%s %s/%s", version.BuildVersion, runtime.GOOS, runtime.GOARCH)
+	app.Commands = commands
+
+	// cli already print error messages
+	if err := app.Run(os.Args); err != nil {
+		fmt.Println(aurora.Red(errorx.Wrap(err).Error()))
+		os.Exit(codeFailure)
+	}
+}