Fix panic when "-" is not followed by a short flag.

2020-02-18 19:53:41 +11:00
parent 4667cdb6e4
commit ada7d7bf11
1 changed files with 3 additions and 0 deletions
@@ -304,6 +304,9 @@ func (c *Context) trace(node *Node) (err error) { // nolint: gocyclo
 					}
 					c.scan.PushTyped(parts[0], FlagToken)

+				case v == "-":
+					return errors.New("expected short flag")
+
 				// Short flag.
 				case strings.HasPrefix(v, "-"):
 					c.scan.Pop()