cmd/vehicle: error if vehicle creation has failed (#9130)

cmd/vehicle.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/evcc-io/evcc/api"
 	"github.com/spf13/cobra"
+	"golang.org/x/exp/maps"
 )
 
 // vehicleCmd represents the vehicle command
@@ -52,9 +53,17 @@ func runVehicle(cmd *cobra.Command, args []string) {
 		if err != nil {
 			log.FATAL.Fatal(err)
 		}
+
 		vehicles = map[string]api.Vehicle{name: vehicle}
 	}
 
+	// check single vehicle for error
+	if len(vehicles) == 1 {
+		if err, ok := maps.Values(vehicles)[0].(error); ok {
+			fatal(err)
+		}
+	}
+
 	var flagUsed bool
 	for _, v := range vehicles {
 		if cmd.Flags().Lookup(flagWakeup).Changed {

vehicle/wrapper/wrapper.go

@@ -48,6 +48,11 @@ func New(name string, other map[string]interface{}, err error) api.Vehicle {
 	return v
 }
 
+// Error returns the initialization error
+func (v *Wrapper) Error() string {
+	return v.err.Error()
+}
+
 var _ api.Vehicle = (*Wrapper)(nil)
 
 // Title implements the api.Vehicle interface