Move vterm functionality to a separate file

That way we can call (require 'vterm) as a top-level form.

README.md

@@ -33,6 +33,21 @@ Get it from Melpa, or copy and load the `kubel.el` file.
 If you want to have the evil compatibility package, get it from Melpa as well or
 load the `kubel-evil.el` file.
 
+# Setup
+
+```elisp
+(require 'kubel)
+(kubel-vterm-setup) ; If you wish to have vterm as an option when using exec
+```
+
+Or if one uses `use-package`
+
+```elisp
+(use-package kubel
+  :after (vterm)
+  :config (kubel-vterm-setup))
+```
+
 ## Usage
 
 To list the pods in your current context and namespace, call

kubel-vterm.el

@@ -0,0 +1,31 @@
+;;; kubel-vterm.el --- vterm integration with kubel -*- lexical-binding: t -*-
+
+;;; Commentary:
+
+;;; Code:
+
+(require 'kubel)
+(require 'vterm)
+(require 'transient)
+
+(defun kubel-exec-vterm-pod ()
+  "Exec into the pod under the cursor -> vterm."
+  (interactive)
+  (kubel-setup-tramp)
+  (let* ((dir-prefix (kubel--dir-prefix))
+         (con-pod (kubel--get-container-under-cursor))
+         (container (car con-pod))
+         (pod (cdr con-pod))
+         (default-directory (format "/%skubectl:%s@%s:/" dir-prefix container pod))
+         (vterm-buffer-name (format "*kubel - vterm - %s@%s*" container pod))
+         (vterm-shell "/bin/sh"))
+    (vterm)))
+
+;;;###autoload
+(defun kubel-vterm-setup ()
+  "Adds a vterm enty to the KUBEL-EXEC-POP."
+  (transient-append-suffix 'kubel-exec-popup "e"
+    '("v" "Vterm" kubel-exec-vterm-pod)))
+
+(provide 'kubel-vterm)
+;;; kubel-vterm.el ends here

kubel.el

@@ -930,20 +930,6 @@ P can be a single number or a localhost:container port pair."
          (eshell-buffer-name (format "*kubel - eshell - %s@%s*" container pod)))
     (eshell)))
 
-(defun kubel-exec-vterm-pod ()
-  "Exec into the pod under the cursor -> vterm."
-  (interactive)
-  (require 'vterm)
-  (kubel-setup-tramp)
-  (let* ((dir-prefix (kubel--dir-prefix))
-         (con-pod (kubel--get-container-under-cursor))
-         (container (car con-pod))
-         (pod (cdr con-pod))
-         (default-directory (format "/%skubectl:%s@%s:/" dir-prefix container pod))
-         (vterm-buffer-name (format "*kubel - vterm - %s@%s*" container pod))
-         (vterm-shell "/bin/sh"))
-    (vterm)))
-
 (defun kubel-exec-ansi-term-pod ()
   "Exec into the pod under the cursor -> `ansi-term'."
   (interactive)
@@ -1105,7 +1091,6 @@ RESET is to be called if the search is nil after the first attempt."
    ("!" "Shell command" kubel-exec-pod-by-shell-command)
    ("d" "Dired" kubel-exec-pod)
    ("e" "Eshell" kubel-exec-eshell-pod)
-   ("v" "Vterm" kubel-exec-vterm-pod)
    ("a" "Ansi-term" kubel-exec-ansi-term-pod)
    ("s" "Shell" kubel-exec-shell-pod)])