Show dirname in ivy-switch-buffer #1506

Makes buffer names more readable in case uniquify-buffer-name-style is
nil (which is necessary to work around a limitation of persp-mode).

modules/completion/ivy/autoload/ivy.el

@@ -20,6 +20,17 @@
 Buffers that are considered unreal (see `doom-real-buffer-p') are dimmed with
 `+ivy-buffer-unreal-face'."
   (let ((b (get-buffer candidate)))
+    (when-let* (((null uniquify-buffer-name-style))
+                (file-path (buffer-file-name b))
+                (uniquify-buffer-name-style 'forward))
+      (setq candidate
+            (uniquify-get-proposed-name
+             (replace-regexp-in-string "<[0-9]+>$" "" (buffer-name b))
+             (directory-file-name
+              (if file-path
+                  (file-name-directory file-path)
+                default-directory))
+             1)))
     (cond ((ignore-errors
              (file-remote-p
               (buffer-local-value 'default-directory b)))