add boundary check before access os.Args

2015-07-09 16:15:42 -07:00
parent 3094c1624b
commit 48679d21d2
6 changed files with 6 additions and 6 deletions
--- a/pkg/kubectl/cmd/apiversions.go
+++ b/pkg/kubectl/cmd/apiversions.go
@@ -41,7 +41,7 @@ func NewCmdApiVersions(f *cmdutil.Factory, out io.Writer) *cobra.Command {
 }

 func RunApiVersions(f *cmdutil.Factory, out io.Writer) error {
-	if os.Args[1] == "apiversions" {
+	if len(os.Args) > 1 && os.Args[1] == "apiversions" {
 		printDeprecationWarning("api-versions", "apiversions")
 	}