emacs/dired: don't enable dired-git-info in ranger

It won't correctly disable on `C-c C-e`, but it does work find if
enabled manually.

Also: refactors +dired-enable-git-info-h and map! call

Relevant to #2106

modules/emacs/dired/autoload.el

@@ -7,10 +7,9 @@
   (mapc #'kill-buffer (doom-buffers-in-mode 'dired-mode))
   (message "Killed all dired buffers"))
 
-
 ;;;###autoload
 (defun +dired-enable-git-info-h ()
-  (if (and
+  "Enable `dired-git-info-mode' in git repos."
-       (not (file-remote-p default-directory))
+  (and (not (file-remote-p default-directory))
-       (locate-dominating-file "." ".git"))
+       (locate-dominating-file "." ".git")
        (dired-git-info-mode 1)))

modules/emacs/dired/config.el

@@ -165,8 +165,7 @@ we have to clean it up ourselves."
             ("\\.\\(?:mp3\\|flac\\)\\'" ,cmd)
             ("\\.html?\\'" ,cmd)
             ("\\.md\\'" ,cmd))))
-  (map!
+  (map! :map dired-mode-map
-   :map dired-mode-map
         :localleader
         "h" #'dired-omit-mode))
 
@@ -180,7 +179,8 @@ we have to clean it up ourselves."
 (use-package! dired-git-info
   :after dired
   :init
-  (add-hook 'dired-after-readin-hook '+dired-enable-git-info-h)
+  (unless (featurep! +ranger)
+    (add-hook 'dired-after-readin-hook '+dired-enable-git-info-h))
   :config
   (map! :map (dired-mode-map ranger-mode-map)
         :ng ")" #'dired-git-info-mode)