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(use-package ibuffer
  :ensure nil ;; package is bundled with emacs

  :init
  ;; disable confirmation for killing unmodified buffers
  (setq ibuffer-expert t)

  ;; sort buffers by name
  (setq-default ibuffer-default-sorting-mode 'alphabetic)

  ;; hide empty filter groups
  (setq ibuffer-show-empty-filter-groups nil)

  ;; use ibuffer

  :bind (("C-x C-b" . ibuffer-other-window)
         :map ibuffer-mode-map
         ;; make C-o and o behave as in dired
         ("o" . ibuffer-visit-buffer-other-window)
         ("C-o" . ibuffer-visit-buffer-other-window-noselect))

  :config
  ;; keep buffer list up to date and group ibuffer by repository root
  (add-hook 'ibuffer-hook
            (lambda ()
              (ibuffer-auto-mode 1)
              (ibuffer-vc-set-filter-groups-by-vc-root))))

(use-package ibuffer-vc)

(provide 'init-ibuffer)