# kubectl emits a List for files containing multiple resources.
(if .kind == "List" then .items[] else . end)
| (.metadata.namespace // "default") as $ns
| [
    (.. | objects
      | (.secretRef? // empty), (.secretKeyRef? // empty), (.secret? // empty)
      | select(.optional != true)
      | .name // .secretName // empty),
    (.. | objects | .imagePullSecrets[]?.name)
  ]
| unique[]
| select(. != null and . != "")
| "\($ns) \(.)"