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/rollingupdate.go
+++ b/pkg/kubectl/cmd/rollingupdate.go
@@ -105,7 +105,7 @@ func validateArguments(cmd *cobra.Command, args []string) (deploymentKey, filena
 }

 func RunRollingUpdate(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
-	if os.Args[1] == "rollingupdate" {
+	if len(os.Args) > 1 && os.Args[1] == "rollingupdate" {
 		printDeprecationWarning("rolling-update", "rollingupdate")
 	}
 	deploymentKey, filename, image, oldName, err := validateArguments(cmd, args)