Dim .gitignore files (mostly) in dired

init.el

@@ -269,7 +269,7 @@
            compilation-scroll-output t))
 
 (setup dired
-  (:also-load dired-x +dired)
+  (:require dired-x +dired)
   (:straight dired+)
   (:option dired-recursive-copies 'always
            dired-recursive-deletes 'always
@@ -293,7 +293,8 @@
          "j" #'+dired-goto-file)
   (:hook #'dired-hide-details-mode
          #'hl-line-mode
-         #'lin-mode)
+         #'lin-mode
+         #'+dired-dim-git-ignores)
   (:+key "C-x C-j" #'dired-jump)
   (dolist (refresh-after-func '(dired-do-flagged-delete))
     (advice-add refresh-after-func :after #'revert-buffer))

lisp/+dired.el

@@ -15,5 +15,15 @@
      (push-mark)))
   (dired-goto-file file))
 
+;;; [[https://www.reddit.com/r/emacs/comments/u2lf9t/weekly_tips_tricks_c_thread/i4n9aoa/?context=3][Dim files in .gitignore]]
+
+(defun +dired-dim-git-ignores ()
+  "Dim out .gitignore contents"
+  (require 'vc)
+  (when-let ((ignores (vc-default-ignore-completion-table 'git ".gitignore"))
+             (exts (make-local-variable 'completion-ignored-extensions)))
+    (dolist (item ignores)
+      (add-to-list exts item))))
+
 (provide '+dired)
 ;;; +dired.el ends here