Check return value of errors for config encrypt

cmd/config/config.go

@@ -69,15 +69,22 @@ var configEncrypt = &cobra.Command{
 	pass your password directly as an argument. After encryption you will be 
 	asked to enter a password when using Rclone. Passwords are not recoverable.
 `,
-	Run: func(command *cobra.Command, args []string) {
+	RunE: func(command *cobra.Command, args []string) error {
 		if len(args) == 0 {
 			passwd := config.ChangePassword("NEW configuration")
-			config.SetConfigPassword(passwd)
+			err := config.SetConfigPassword(passwd)
+			if err != nil {
+				return err
+			}
 		} else {
 			cmd.CheckArgs(1, 1, command, args)
-			config.SetConfigPassword(args[0])
+			err := config.SetConfigPassword(args[0])
+			if err != nil {
+				return err
+			}
 		}
 		config.SaveConfig()
+		return nil
 	},
 }
 

fs/config/rc.go

@@ -79,7 +79,10 @@ func rcEncrypt(ctx context.Context, in rc.Params) (out rc.Params, err error) {
 			"error": "password paramater not supplied",
 		}
 	} else {
-		SetConfigPassword(passwd)
+		err := SetConfigPassword(passwd)
+		if err != nil {
+			return nil, err
+		}
 		SaveConfig()
 		out = nil
 	}