Show channel name in ERC notification

erc-desktop-notifications.diff

diff --git a/lisp/erc/erc-desktop-notifications.el b/lisp/erc/erc-desktop-notifications.el
index 84db0f58e46d..2978f6362279 100644
--- a/lisp/erc/erc-desktop-notifications.el
+++ b/lisp/erc/erc-desktop-notifications.el
@@ -52,11 +52,18 @@
   :group 'erc-notifications
   :type '(choice (const :tag "Session bus" :session) string))
 
+(defcustom erc-notifications-show-channel nil
+  "Show channel name in notification."
+  :group 'erc-notifications
+  :type 'boolean)
+
 (defvar dbus-debug) ; used in the macroexpansion of dbus-ignore-errors
 
 (defun erc-notifications-notify (nick msg)
   "Notify that NICK send some MSG.
 This will replace the last notification sent with this function."
+  (if erc-notifications-show-channel
+      (setq nick (format "%s (%s)" nick (buffer-name))))
   (dbus-ignore-errors
     (setq erc-notifications-last-notification
           (notifications-notify :bus erc-notifications-bus