sam: Echo command/context on k

sam/configuration.nix

@@ -142,7 +142,16 @@
       initExtra = ''
         # https://kubernetes.io/docs/reference/kubectl/quick-reference/#bash
         source <(kubectl completion bash)
-        alias k=kubectl
+        k() {
+          if [[ -t 1 ]]; then # stdout is a terminal
+            tput dim # Konsole's default theme requires some adjustment
+            printf "$ kubectl --context %q" "$(kubectl config current-context 2>/dev/null)"
+            printf " %q" "$@"
+            echo
+            tput sgr0
+          fi
+          kubectl "$@"
+        }
         complete -o default -F __start_kubectl k
       '';
     };