Fix problem in tramp-container.el

* lisp/net/tramp-container.el (tramp-kubernetes--context-namespace):
Handle nil list elements.

(cherry picked from commit 8b662047074f7413c280c9092d1c39763f8b0e5b)

diff --git a/lisp/net/tramp-container.el b/lisp/net/tramp-container.el
index 57c34a1b8e40f614e39844b220d02cccd94e62ac..fd82e4516b8ae1bc780c55649b2088b0fe745998 100644 (file)
--- a/lisp/net/tramp-container.el
+++ b/lisp/net/tramp-container.el
@@ -419,10 +419,11 @@ Obey `tramp-kubernetes-context'"
   "The kubectl options for context and namespace as string."
   (mapconcat
    #'identity
-   `(,(when-let ((context (tramp-kubernetes--current-context vec)))
-       (format "--context=%s" context))
-     ,(when-let ((namespace (tramp-kubernetes--namespace vec)))
-       (format "--namespace=%s" namespace)))
+   (delq nil
+        `(,(when-let ((context (tramp-kubernetes--current-context vec)))
+             (format "--context=%s" context))
+          ,(when-let ((namespace (tramp-kubernetes--namespace vec)))
+             (format "--namespace=%s" namespace))))
    " "))
 
 ;;;###tramp-autoload