Exit with non-zero code when trying to do interactive onboarding and --batch is set

internal/cli/app/app.go

@@ -13,7 +13,8 @@ func Run() {
 	root.Cmd.Version(ooni.Version)
 	_, err := root.Cmd.Parse(os.Args[1:])
 	if err != nil {
-		log.WithError(err).Error("failed to parse arguments")
+		log.WithError(err).Error("failure in main command")
+		os.Exit(1)
 	}
 	return
 }

internal/cli/onboard/onboard.go

@@ -1,6 +1,8 @@
 package onboard
 
 import (
+	"errors"
+
 	"github.com/alecthomas/kingpin"
 	"github.com/apex/log"
 	"github.com/ooni/probe-cli/internal/cli/root"
@@ -29,6 +31,9 @@ func init() {
 			}
 			return nil
 		}
+		if ctx.IsBatch == true {
+			return errors.New("cannot do onboarding in batch mode")
+		}
 
 		return onboard.Onboarding(ctx.Config)
 	})

internal/cli/root/root.go

@@ -48,6 +48,9 @@ func init() {
 			if err != nil {
 				return nil, err
 			}
+			if *isBatch {
+				ctx.IsBatch = true
+			}
 
 			return ctx, nil
 		}