nongnu: Add k9s.

* nongnu/packages/k8s.scm: New module.
(k9s): New variable.

Signed-off-by: John Kehayias <john.kehayias@protonmail.com>

nongnu/packages/k8s.scm

@@ -0,0 +1,42 @@
+;;; SPDX-License-Identifier: GPL-3.0-or-later
+;;; Copyright © 2023 Giacomo Leidi <goodoldpaul@autistici.org>
+
+(define-module (nongnu packages k8s)
+  #:use-module (guix build-system copy)
+  #:use-module (guix download)
+  #:use-module (guix gexp)
+  #:use-module (guix packages)
+  #:use-module ((guix licenses) :prefix license:))
+
+(define-public k9s
+  (package
+    (name "k9s")
+    (version "0.27.4")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/derailed/k9s/releases/download/v"
+                    version "/k9s_Linux_amd64.tar.gz"))
+              (sha256
+               (base32
+                "14j37kl8pbmbid4np48cfv5k8vic6ngnc4pjh01qr6szplg861z5"))))
+    (build-system copy-build-system)
+    (arguments
+     (list
+      #:substitutable? #f
+      #:install-plan
+      #~'(("k9s" "bin/"))
+      #:phases
+      #~(modify-phases %standard-phases
+          (replace 'unpack
+            (lambda _
+              (invoke "tar" "-xvf" #$source))))))
+    (home-page "https://k9scli.io")
+    (supported-systems '("x86_64-linux"))
+    (synopsis "Kubernetes CLI To Manage Your Clusters In Style")
+    (description
+     "K9s provides a terminal UI to interact with your Kubernetes clusters.  The
+aim of this project is to make it easier to navigate, observe and manage your
+applications in the wild.  K9s continually watches Kubernetes for changes and
+offers subsequent commands to interact with your observed resources.")
+    (license license:asl2.0)))