Add _is_beta flag to config file

internal/cli/onboard/onboard.go

@@ -2,6 +2,7 @@ package onboard
 
 import (
 	"github.com/alecthomas/kingpin"
+	"github.com/apex/log"
 	"github.com/ooni/probe-cli/internal/cli/root"
 	"github.com/ooni/probe-cli/internal/onboard"
 )
@@ -9,12 +10,26 @@ import (
 func init() {
 	cmd := root.Command("onboard", "Starts the onboarding process")
 
+	yes := cmd.Flag("yes", "Answer yes to all the onboarding questions.").Bool()
+
 	cmd.Action(func(_ *kingpin.ParseContext) error {
 		ctx, err := root.Init()
 		if err != nil {
 			return err
 		}
 
+		if *yes == true {
+			ctx.Config.Lock()
+			ctx.Config.InformedConsent = true
+			ctx.Config.Unlock()
+
+			if err := ctx.Config.Write(); err != nil {
+				log.WithError(err).Error("failed to write config file")
+				return err
+			}
+			return nil
+		}
+
 		return onboard.Onboarding(ctx.Config)
 	})
 }