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add boundary check before access os.Args

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This commit is contained in:
Chao Xu
2015-07-09 16:15:42 -07:00
parent 3094c1624b
commit 48679d21d2
6 changed files with 6 additions and 6 deletions
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2
pkg/kubectl/cmd/clusterinfo.go
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@@ -46,7 +46,7 @@ func NewCmdClusterInfo(f *cmdutil.Factory, out io.Writer) *cobra.Command {
}
func RunClusterInfo(factory *cmdutil.Factory, out io.Writer, cmd *cobra.Command) error {
if os.Args[1] == "clusterinfo" {
if len(os.Args) > 1 && os.Args[1] == "clusterinfo" {
printDeprecationWarning("cluster-info", "clusterinfo")
}