revert cobra to an older version

cmd/client.go

@@ -130,9 +130,6 @@ func newCliCommand() *cobra.Command {
 		Use:   "cli",
 		Args:  cobra.NoArgs,
 		Short: "Manage replication task and TiCDC cluster",
-    //CompletionOptions: cobra.CompletionOptions{
-		//	DisableDefaultCmd: true,
-		//},
 		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
 			initCmd(cmd, &logutil.Config{Level: cliLogLevel})
 
@@ -268,7 +265,7 @@ func loop() {
 		command.SetOut(os.Stdout)
 		command.SetErr(os.Stderr)
 		if err = command.Execute(); err != nil {
-			command.PrintErrln(err)
+			command.PrintErr(err.Error() + "\n")
 		}
 	}
 }

cmd/root.go

@@ -30,8 +30,9 @@ var rootCmd = &cobra.Command{
 func Execute() {
 	// Outputs cmd.Print to stdout.
 	rootCmd.SetOut(os.Stdout)
+	rootCmd.SetErr(os.Stderr)
 	if err := rootCmd.Execute(); err != nil {
-		rootCmd.Println(err)
+		rootCmd.PrintErr(err.Error() + "\n")
 		os.Exit(1)
 	}
 }

go.mod

@@ -17,12 +17,13 @@ require (
 	github.com/fatih/color v1.10.0
 	github.com/go-sql-driver/mysql v1.5.0
 	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
-	github.com/golang/protobuf v1.5.2
+	github.com/golang/protobuf v1.3.4
 	github.com/golang/snappy v0.0.2 // indirect
 	github.com/google/btree v1.0.0
-	github.com/google/go-cmp v0.5.5
-	github.com/google/uuid v1.1.2
+	github.com/google/go-cmp v0.5.4
+	github.com/google/uuid v1.1.1
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
+	github.com/grpc-ecosystem/grpc-gateway v1.14.3 // indirect
 	github.com/integralist/go-findroot v0.0.0-20160518114804-ac90681525dc
 	github.com/jarcoal/httpmock v1.0.5
 	github.com/jmoiron/sqlx v1.2.0
@@ -45,28 +46,28 @@ require (
 	github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible
 	github.com/prometheus/client_golang v1.5.1
 	github.com/r3labs/diff v1.1.0
-	github.com/spf13/cobra v1.2.1
+	github.com/spf13/cobra v1.0.0
 	github.com/spf13/pflag v1.0.5
-	github.com/stretchr/testify v1.7.0
+	github.com/stretchr/testify v1.6.1
 	github.com/tikv/pd v1.1.0-beta.0.20210527030735-a544782ee076
 	github.com/tinylib/msgp v1.1.0
 	github.com/uber-go/atomic v1.4.0
 	github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c
 	go.etcd.io/bbolt v1.3.4 // indirect
 	go.etcd.io/etcd v0.5.0-alpha.5.0.20200824191128-ae9734ed278b
-	go.uber.org/zap v1.17.0
+	go.uber.org/zap v1.16.0
 	golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897 // indirect
-	golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4
-	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
+	golang.org/x/exp v0.0.0-20200513190911-00229845015e // indirect
+	golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect
+	golang.org/x/net v0.0.0-20210323141857-08027d57d8cf
+	golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9
 	golang.org/x/text v0.3.5
 	golang.org/x/time v0.0.0-20191024005414-555d28b269f0
-	google.golang.org/grpc v1.38.0
+	google.golang.org/grpc v1.27.1
 	gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22 // indirect
 	sigs.k8s.io/yaml v1.2.0 // indirect
 	upper.io/db.v3 v3.7.1+incompatible
 )
 
 // Fix CVE-2020-26160.
 replace github.com/dgrijalva/jwt-go v3.2.0+incompatible => github.com/golang-jwt/jwt v3.2.1+incompatible
-
-replace google.golang.org/grpc => google.golang.org/grpc v1.29.1