   (delete-other-windows)
   (message "Type C-x r j $ to return to pre-rgrep windows."))
 
-(defvar git-grep-switches "--extended-regexp -I -n --ignore-case"
+(defvar git-grep-switches "--extended-regexp -I -n"
   "Switches to pass to `git grep'.")
 
 (defun git-grep-fullscreen (regexp &optional files dir confirm)

                                    nil default-directory t))
          (confirm (equal current-prefix-arg '(4))))
     (list regexp files dir confirm)))
  (let ((command (format "cd %s && git --no-pager grep %s -e %S -- '%s' " dir git-grep-switches regexp files))
        (grep-use-null-device nil))
    (when confirm
      (setq command (read-shell-command "Run git-grep: " command 'git-grep-history)))

(require 's)

(defun rgrep-fullscreen (regexp &optional files dir confirm)
  "Open grep in full screen, saving windows."
  (interactive
