emacs/dired: replace 18f20a531 w/ 'quit-all' command #1937

There are a few workflows where having multiple buffers (e.g.
side-by-side) is preferrable, however, `dired-find-alternate-file` kills
the old buffer indiscriminately.

modules/emacs/dired/autoload.el

@@ -0,0 +1,8 @@
+;;; emacs/dired/autoload.el -*- lexical-binding: t; -*-
+
+;;;###autoload
+(defun +dired/quit-all ()
+  "Kill all `dired-mode' buffers."
+  (interactive)
+  (mapc #'kill-buffer (doom-buffers-in-mode 'dired-mode))
+  (message "Killed all dired buffers"))

modules/emacs/dired/config.el

@@ -49,14 +49,10 @@ only variant that supports --group-directories-first."
   (put 'dired-find-alternate-file 'disabled nil)
 
   (map! :map dired-mode-map
-        ;; Kill buffer when quitting dired buffers
-        [remap quit-window] (λ! (quit-window t))
+        ;; Kill all dired buffers on q
+        :ng "q" #'+dired/quit-all
         ;; To be consistent with ivy/helm+wgrep integration
-        "C-c C-e" #'wdired-change-to-wdired-mode
-        ;; Stop dired from creating new buffers when we enter a new directory or
-        ;; travel up the tree
-        :n  "RET" #'dired-find-alternate-file
-        :ng "^"   (λ! (find-alternate-file ".."))))
+        "C-c C-e" #'wdired-change-to-wdired-mode))
 
 
 (use-package! dired-rsync