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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/apiversions.go
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@@ -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")
}