Support context completion for kubectl config use-context

With this commit, kubectl is supported context completion for config use-context. ``` $ ./kubectl config use-context cluster01 minikube ``` /refs #42103, #29386

Support context completion for kubectl config use-context
a46b04dc · Kazuki Suda · 2249550b · a46b04dc
Commit a46b04dc authored Mar 02, 2017 by Kazuki Suda
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cmd.go pkg/kubectl/cmd/cmd.go +4 -0

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--- a/pkg/kubectl/cmd/cmd.go
+++ b/pkg/kubectl/cmd/cmd.go
@@ -170,6 +170,10 @@ __custom_func() {
            __kubectl_get_resource_node
            return
            ;;
+        kubectl_config_use-context)
+            __kubectl_get_contexts
+            return
+            ;;
        *)
            ;;
    esac