Add :badd

evil-commands.el

@@ -3349,6 +3349,14 @@ If no FILE is specified, reload the current buffer from disk as read-only."
     (revert-buffer bang (or bang (not (buffer-modified-p))) t)
     (read-only-mode +1)))
 
+(evil-define-command evil-buffer-add (file)
+  "Add FILE to the buffer list, but don't visit it. "
+  :repeat nil
+  (interactive "<f>")
+  (if (or (not file) (string= "" file))
+      (user-error "No file specified")
+    (find-file-noselect file)))
+
 (evil-define-command evil-read (count file)
   "Insert the contents of FILE below the current line or line COUNT."
   :repeat nil

evil-maps.el

@@ -515,6 +515,7 @@ included in `evil-insert-state-bindings' by default."
 (evil-ex-define-cmd "sav[eas]" 'evil-save)
 (evil-ex-define-cmd "r[ead]" 'evil-read)
 (evil-ex-define-cmd "b[uffer]" 'evil-buffer)
+(evil-ex-define-cmd "bad[d]" 'evil-buffer-add)
 (evil-ex-define-cmd "bn[ext]" 'evil-next-buffer)
 (evil-ex-define-cmd "bp[revious]" 'evil-prev-buffer)
 (evil-ex-define-cmd "bN[ext]" "bprevious")