First commit.

lisp/utilities/alert.el

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+;;; alert.el --- Emacs notifications. -*- lexical-binding: t; -*-
+;;; Commentary:
+;;; Code: https://github.com/jwiegley/alert
+
+(defun user/alert-style ()
+  "Get the preferred alert style."
+  (cond
+   ((eq system-type 'darwin) 'growl)
+   ((executable-find "notify-send") 'libnotify)
+   ((executable-find "dbus-send") 'notifications)
+   (t 'mode-line)))
+
+(use-package alert
+  :defer
+  :config
+  ;; Undiagnosed issue with validate-setq.
+  (setq
+   ;; Send alerts to alert buffer.
+   alert-default-style (user/alert-style))
+  (validate-setq
+   ;; Disable log.
+   alert-log-messages nil))
+
+
+(provide 'utilities/alert)
+;;; alert.el ends here