Do not print Succeeded for help command

cmd/kapp/kapp.go

@@ -6,10 +6,12 @@ package main
 import (
 	"math/rand"
 	"os"
+	"strings"
 	"time"
 
 	uierrs "github.com/cppforlife/go-cli-ui/errors"
 	"github.com/cppforlife/go-cli-ui/ui"
+	"github.com/spf13/cobra"
 	"github.com/vmware-tanzu/carvel-kapp/pkg/kapp/cmd"
 	cmdapp "github.com/vmware-tanzu/carvel-kapp/pkg/kapp/cmd/app"
 
@@ -45,6 +47,22 @@ func nonExitingMain() error {
 		return err
 	}
 
-	confUI.PrintLinef("Succeeded")
+	if len(os.Args) > 1 {
+		cmdPathPieces := os.Args[1:]
+
+		var cmdName string // first "non-flag" arguments
+		for _, arg := range cmdPathPieces {
+			if !strings.HasPrefix(arg, "-") {
+				cmdName = arg
+				break
+			}
+		}
+		switch cmdName {
+		case "help", cobra.ShellCompRequestCmd, cobra.ShellCompNoDescRequestCmd:
+			// do not print Succeeded
+		default:
+			confUI.PrintLinef("Succeeded")
+		}
+	}
 	return nil
 }