Change the way we use Termux notifications

Since my PR in the alert package got merged, we no longer need this hack.

configuration.org

@@ -1758,37 +1758,26 @@ activate objed and enable its modal editing features.
 #+begin_src emacs-lisp
 (use-package alert
   :config
-  (setq alert-default-style
-        (if (gpolonkai/termux-p)
-            (progn
-              ;; TODO Remove this as soon as my PR gets merged
-              ;; https://github.com/jwiegley/alert/pull/41
-              (unless (fboundp 'alert-termux-notify)
-                (defcustom alert-termux-command (executable-find "termux-notification")
-                  "Path to the termux-notification command.
-This is found in the termux-api package, and it requires the Termux
-API addon app to be installed."
-                  :type 'file
-                  :group 'alert)
+  (setq alert-default-style 'libnotify))
+#+end_src
 
-                (defun alert-termux-notify (info)
-                  "Send INFO using termux-notification.
-Handles :TITLE and :MESSAGE keywords from the
-INFO plist."
-                  (if alert-termux-command
-                      (let ((args (nconc
-                                   (when (plist-get info :title)
-                                     (list "-t" (alert-encode-string (plist-get info :title))))
-                                   (list "-c" (alert-encode-string (plist-get info :message))))))
-                        (apply #'call-process alert-termux-command nil
-                               (list (get-buffer-create " *termux-notification output*") t)
-                               nil args))
-                    (alert-message-notify info)))
+Only send alerts from eshell when the buffer is not visible:
 
-                (alert-define-style 'termux :title "Notify using termux"
-                                    :notifier #'alert-termux-notify))
-              'termux)
-          'libnotify)))
+#+begin_src emacs-lisp
+(alert-add-rule
+ :status '(buried)
+ :mode   'eshell-mode
+ :style  'notifications)
+#+end_src
+
+Send alerts to Termux if we are running there
+
+#+begin_src emacs-lisp
+(when (gpolonkai/termux-p)
+  (use-package alert-termux
+    :after alert
+    :config
+    (setq alert-default-style 'termux)))
 #+end_src
 
 ** ~undo-tree~