418 lines
15 KiB
EmacsLisp
418 lines
15 KiB
EmacsLisp
;;; feature/evil/config.el
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;; I'm a vimmer at heart. Its modal philosophy suits me better, and this module
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;; strives to make Emacs a much better vim than vim was.
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(def-setting! :evil-state (&rest mode-state-list)
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"Set the initialize STATE of MODE using `evil-set-initial-state'."
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(if (cl-every #'listp mode-state-list)
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`(progn
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,@(let (forms)
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(dolist (it mode-state-list (nreverse forms))
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(unless (consp it)
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(error ":evil-state expected cons cells, got %s" it))
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(push `(evil-set-initial-state ',(car it) ',(cdr it)) forms))))
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(let ((argc (length mode-state-list)))
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(unless (= argc 2)
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(error ":evil-state expected 2 arguments, got %s" argc)))
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`(evil-set-initial-state ',(car mode-state-list) ',(cadr mode-state-list))))
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;;
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;; evil-mode
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;;
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(def-package! evil :demand t
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:init
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(setq evil-want-C-u-scroll t
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evil-want-visual-char-semi-exclusive t
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evil-want-fine-undo nil
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evil-want-Y-yank-to-eol t
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evil-magic t
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evil-echo-state t
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evil-indent-convert-tabs t
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evil-ex-search-vim-style-regexp t
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evil-ex-substitute-global t
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evil-ex-visual-char-range t ; column range for ex commands
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evil-insert-skip-empty-lines t
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;; don't activate mark on shift-click
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shift-select-mode nil)
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:config
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(evil-mode +1)
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(evil-select-search-module 'evil-search-module 'evil-search)
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(set! :popup
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'("*evil-registers*" :size 0.3)
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'("*Command Line*" :size 8))
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;; Set cursor colors later, presumably once theme is loaded
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(defun +evil*init-cursors (&rest _)
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(setq evil-default-cursor (face-attribute 'cursor :background nil t)
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evil-normal-state-cursor 'box
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evil-emacs-state-cursor `(,(face-attribute 'warning :foreground nil nil) box)
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evil-insert-state-cursor 'bar
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evil-visual-state-cursor 'hollow))
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(advice-add #'load-theme :after #'+evil*init-cursors)
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;; highlight matching delimiters where it's important
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(defun +evil|show-paren-mode-off () (show-paren-mode -1))
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(add-hook 'evil-insert-state-entry-hook #'show-paren-mode)
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(add-hook 'evil-insert-state-exit-hook #'+evil|show-paren-mode-off)
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(add-hook 'evil-visual-state-entry-hook #'show-paren-mode)
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(add-hook 'evil-visual-state-exit-hook #'+evil|show-paren-mode-off)
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(add-hook 'evil-operator-state-entry-hook #'show-paren-mode)
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(add-hook 'evil-operator-state-exit-hook #'+evil|show-paren-mode-off)
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(add-hook 'evil-normal-state-entry-hook #'+evil|show-paren-mode-off)
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(dolist (mode '(tabulated-list-mode view-mode comint-mode term-mode calendar-mode Man-mode grep-mode))
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(evil-set-initial-state mode 'emacs))
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;; make `try-expand-dabbrev' from `hippie-expand' work in mini-buffer
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;; @see `he-dabbrev-beg', so we need re-define syntax for '/'
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(defun minibuffer-inactive-mode-hook-setup ()
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(set-syntax-table (let* ((table (make-syntax-table)))
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(modify-syntax-entry ?/ "." table)
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table)))
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(add-hook 'minibuffer-inactive-mode-hook #'minibuffer-inactive-mode-hook-setup))
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(defsubst +evil--textobj (key inner-fn &optional outer-fn)
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"Define a text object."
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(define-key evil-inner-text-objects-map key inner-fn)
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(define-key evil-outer-text-objects-map key (or outer-fn inner-fn)))
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;;
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;; evil hacks
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;;
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(defun +evil*esc ()
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"Disable search highlights and quit the minibuffer if open."
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(when (minibuffer-window-active-p (minibuffer-window))
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(abort-recursive-edit))
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(when (evil-ex-hl-active-p 'evil-ex-search)
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(evil-ex-nohighlight)))
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(advice-add #'evil-force-normal-state :after #'+evil*esc)
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(defun +evil*static-reindent (orig-fn &rest args)
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"Don't move cursor on indent."
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(save-excursion (apply orig-fn args)))
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(advice-add #'evil-indent :around #'+evil*static-reindent)
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;; Move to new split
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(defun +evil*window-follow (&rest _) (evil-window-down 1))
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(defun +evil*window-vfollow (&rest _) (evil-window-right 1))
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(advice-add #'evil-window-split :after #'+evil*window-follow)
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(advice-add #'evil-window-vsplit :after #'+evil*window-vfollow)
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;; monkey patch `evil-ex-replace-special-filenames' to add more ex
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;; substitution flags to evil-mode
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(advice-add #'evil-ex-replace-special-filenames
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:override #'+evil*ex-replace-special-filenames)
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;; Add extra argument types that highlight matches in the current buffer.
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;; TODO Must be simpler way to do this
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(evil-ex-define-argument-type buffer-match :runner +evil-ex-buffer-match)
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(evil-ex-define-argument-type global-match :runner +evil-ex-global-match)
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(evil-define-interactive-code "<//>"
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:ex-arg buffer-match (list (when (evil-ex-p) evil-ex-argument)))
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(evil-define-interactive-code "<g//>"
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:ex-arg global-match (when (evil-ex-p) (evil-ex-parse-global evil-ex-argument)))
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(evil-define-operator +evil:global (beg end pattern command &optional invert)
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"Rewritten :g[lobal] that will highlight buffer matches. Takes the same arguments."
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:motion mark-whole-buffer :move-point nil
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(interactive "<r><g//><!>")
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(evil-ex-global beg end pattern command invert))
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(evil-define-operator +evil:align (&optional beg end bang pattern)
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"Ex interface to `align-regexp'. Accepts vim-style regexps."
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(interactive "<r><!><//>")
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(align-regexp
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beg end
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(concat "\\(\\s-*\\)"
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(if bang
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(regexp-quote pattern)
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(evil-transform-vim-style-regexp pattern)))
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1 1))
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(evil-ex-define-cmd "g[lobal]" #'+evil:global)
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(evil-ex-define-cmd "al[ign]" #'+evil:align)
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;;
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;; Plugins
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;;
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(def-package! evil-args
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:commands (evil-inner-arg evil-outer-arg
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evil-forward-arg evil-backward-arg
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evil-jump-out-args)
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:init (+evil--textobj "a" #'evil-inner-arg #'evil-outer-arg))
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(def-package! evil-commentary
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:commands (evil-commentary evil-commentary-yank evil-commentary-line)
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:config (evil-commentary-mode 1))
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(def-package! evil-easymotion
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:defer 1
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:commands evilem-define
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:config
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(let ((prefix "g SPC"))
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(evilem-default-keybindings prefix)
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(evilem-define (kbd (concat prefix " n")) #'evil-ex-search-next)
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(evilem-define (kbd (concat prefix " N")) #'evil-ex-search-previous)
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(evilem-define (kbd (concat prefix " s")) 'evil-snipe-repeat
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:pre-hook (save-excursion (call-interactively #'evil-snipe-s))
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:bind ((evil-snipe-scope 'buffer)
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(evil-snipe-enable-highlight)
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(evil-snipe-enable-incremental-highlight)))
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(evilem-define (kbd (concat prefix " S")) #'evil-snipe-repeat-reverse
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:pre-hook (save-excursion (call-interactively #'evil-snipe-s))
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:bind ((evil-snipe-scope 'buffer)
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(evil-snipe-enable-highlight)
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(evil-snipe-enable-incremental-highlight))))
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(defvar +evil--snipe-repeat-fn
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(evilem-create #'evil-snipe-repeat
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:bind ((evil-snipe-scope 'whole-buffer)
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(evil-snipe-enable-highlight)
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(evil-snipe-enable-incremental-highlight)))))
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(def-package! evil-embrace
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:after evil-surround
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:config
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(setq evil-embrace-show-help-p nil)
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(evil-embrace-enable-evil-surround-integration)
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;; Defuns
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(defun +evil--embrace-get-pair (char)
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(if-let (pair (cdr-safe (assoc (string-to-char char) evil-surround-pairs-alist)))
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pair
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(if-let (pair (assoc-default char embrace--pairs-list))
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(if-let (real-pair (and (functionp (embrace-pair-struct-read-function pair))
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(funcall (embrace-pair-struct-read-function pair))))
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real-pair
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(cons (embrace-pair-struct-left pair) (embrace-pair-struct-right pair)))
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(cons char char))))
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(defun +evil--embrace-escaped ()
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"Backslash-escaped surround character support for embrace."
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(let ((char (read-char "\\")))
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(if (eq char 27)
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(cons "" "")
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(let ((pair (+evil--embrace-get-pair (string char)))
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(text (if (sp-point-in-string) "\\\\%s" "\\%s")))
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(cons (format text (car pair))
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(format text (cdr pair)))))))
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(defun +evil--embrace-latex ()
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"LaTeX command support for embrace."
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(cons (format "\\%s{" (read-string "\\")) "}"))
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(defun +evil--embrace-elisp-fn ()
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"Elisp function support for embrace."
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(cons (format "(%s " (or (read-string "(") "")) ")"))
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;; Add escaped-sequence support to embrace
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(push (cons ?\\ (make-embrace-pair-struct
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:key ?\\
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:read-function #'+evil--embrace-escaped
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:left-regexp "\\[[{(]"
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:right-regexp "\\[]})]"))
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(default-value 'embrace--pairs-list))
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;; Add extra pairs
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(add-hook 'LaTeX-mode-hook #'embrace-LaTeX-mode-hook)
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(add-hook 'org-mode-hook #'embrace-org-mode-hook)
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(add-hook! emacs-lisp-mode
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(embrace-add-pair ?\` "`" "'"))
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(add-hook! (emacs-lisp-mode lisp-mode)
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(embrace-add-pair-regexp ?f "([^ ]+ " ")" #'+evil--embrace-elisp-fn))
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(add-hook! (org-mode LaTeX-mode)
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(embrace-add-pair-regexp ?l "\\[a-z]+{" "}" #'+evil--embrace-latex)))
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(def-package! evil-escape
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:commands evil-escape-mode
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:init
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(defun +evil|escape-disable () (evil-escape-mode -1))
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(defun +evil|escape-enable () (evil-escape-mode +1))
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;; I only need evil-escape in insert and replace modes.
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(add-hook 'evil-insert-state-entry-hook #'+evil|escape-enable)
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(add-hook 'evil-insert-state-exit-hook #'+evil|escape-disable)
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(add-hook 'evil-replace-state-entry-hook #'+evil|escape-enable)
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(add-hook 'evil-replace-state-exit-hook #'+evil|escape-disable)
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:config
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(setq evil-escape-key-sequence "jk"
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evil-escape-delay 0.25))
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(def-package! evil-exchange
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:commands evil-exchange
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:config
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(defun +evil*exchange-off ()
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(if evil-exchange--overlays (evil-exchange-cancel)))
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(advice-add #'evil-force-normal-state :after #'+evil*exchange-off))
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(def-package! evil-indent-plus
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:commands (evil-indent-plus-i-indent
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evil-indent-plus-a-indent
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evil-indent-plus-i-indent-up
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evil-indent-plus-a-indent-up
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evil-indent-plus-i-indent-up-down
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evil-indent-plus-a-indent-up-down)
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:init
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(+evil--textobj "i" #'evil-indent-plus-i-indent #'evil-indent-plus-a-indent)
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(+evil--textobj "I" #'evil-indent-plus-i-indent-up #'evil-indent-plus-a-indent-up)
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(+evil--textobj "J" #'evil-indent-plus-i-indent-up-down #'evil-indent-plus-a-indent-up-down))
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(def-package! evil-matchit
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:commands (evilmi-jump-items evilmi-text-object global-evil-matchit-mode)
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:config (global-evil-matchit-mode 1)
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:init
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(+evil--textobj "%" #'evilmi-text-object)
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(defun +evil|simple-matchit ()
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"Force evil-matchit to favor simple bracket jumping. Helpful where the new
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algorithm is just confusing, like in python or ruby."
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(setq-local evilmi-always-simple-jump t)))
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(def-package! evil-multiedit
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:commands (evil-multiedit-match-all
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evil-multiedit-match-and-next
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evil-multiedit-match-and-prev
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evil-multiedit-match-symbol-and-next
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evil-multiedit-match-symbol-and-prev
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evil-multiedit-toggle-or-restrict-region
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evil-multiedit-next
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evil-multiedit-prev
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evil-multiedit-abort
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evil-multiedit-ex-match)
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:config (evil-multiedit-default-keybinds))
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(def-package! evil-textobj-anyblock
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:commands (evil-numbers/inc-at-pt evil-numbers/dec-at-pt)
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:init
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(+evil--textobj "B" #'evil-textobj-anyblock-inner-block #'evil-textobj-anyblock-a-block))
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(def-package! evil-search-highlight-persist :demand t
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:commands (evil-textobj-anyblock-inner-block evil-textobj-anyblock-a-block)
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:config
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(global-evil-search-highlight-persist t)
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(advice-add #'evil-force-normal-state :after #'evil-search-highlight-persist-remove-all))
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(def-package! evil-snipe :demand t
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:init
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(setq evil-snipe-smart-case t
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evil-snipe-scope 'line
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evil-snipe-repeat-scope 'visible
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evil-snipe-override-evil-repeat-keys nil
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evil-snipe-char-fold t
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evil-snipe-aliases '((?\[ "[[{(]")
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(?\] "[]})]")
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(?\; "[;:]")))
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:config
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;; (evil-snipe-mode +1)
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(evil-snipe-override-mode +1)
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;; Switch to evil-easymotion/avy after first snipe
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(map! :map evil-snipe-parent-transient-map
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"C-;" (λ! (require 'evil-easymotion)
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(call-interactively +evil--snipe-repeat-fn))))
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(def-package! evil-surround
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:commands (global-evil-surround-mode
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evil-surround-edit
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evil-Surround-edit
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evil-surround-region)
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:config (global-evil-surround-mode 1))
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(def-package! evil-visualstar
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:commands (global-evil-visualstar-mode
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evil-visualstar/begin-search
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evil-visualstar/begin-search-forward
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evil-visualstar/begin-search-backward)
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:config (global-evil-visualstar-mode 1))
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;; A side-panel for browsing my project files. Inspired by vim's NERDTree.
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(def-package! neotree
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:commands (neotree-show
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neotree-hide
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neotree-toggle
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neotree-dir
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neotree-find
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neo-global--with-buffer
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neo-global--window-exists-p)
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:config
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(setq neo-create-file-auto-open t
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neo-auto-indent-point nil
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neo-mode-line-type 'none
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neo-window-width 25
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neo-show-updir-line nil
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neo-theme 'nerd ; fallback
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neo-banner-message nil
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neo-show-hidden-files nil
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neo-hidden-regexp-list
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'(;; vcs folders
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"^\\.\\(git\\|hg\\|svn\\)$"
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;; compiled files
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"\\.\\(pyc\\|o\\|elc\\|lock\\|css.map\\)$"
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;; generated files, caches or local pkgs
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"^\\(node_modules\\|vendor\\|.\\(project\\|cask\\|yardoc\\|sass-cache\\)\\)$"
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;; org-mode folders
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"^\\.\\(sync\\|export\\|attach\\)$"
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"~$"
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"^#.*#$"))
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(set! :evil-state 'neotree-mode 'motion)
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(push neo-buffer-name winner-boring-buffers)
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;; Don't ask for confirmation when creating files
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(defun +evil*neotree-create-node (orig-fun &rest args)
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"Don't ask for confirmation when creating files"
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(cl-letf (((symbol-function 'yes-or-no-p) (lambda (&rest _) t)))
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(apply orig-fun args)))
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(advice-add #'neotree-create-node :around #'+evil*neotree-create-node)
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;; Adding keybindings to `neotree-mode-map' wouldn't work for me (they get
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;; overridden when the neotree buffer is spawned). So we bind them in a hook.
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(add-hook 'neo-after-create-hook #'+evil|neotree-init-keymap)
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(defun +evil|neotree-init-keymap (&rest _)
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(map! :Lm "\\\\" 'evil-window-prev
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:Lm "RET" 'neotree-enter
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:Lm "<return>" 'neotree-enter
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:Lm "ESC ESC" 'neotree-hide
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:Lm [return] 'neotree-enter
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:Lm "q" 'neotree-hide
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:Lm "J" 'neotree-select-next-sibling-node
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:Lm "K" 'neotree-select-previous-sibling-node
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:Lm "H" 'neotree-select-up-node
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:Lm "L" 'neotree-select-down-node
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:Lm "h" '+evil/neotree-collapse-or-up
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:Lm "j" 'neotree-next-line
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:Lm "k" 'neotree-previous-line
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:Lm "l" '+evil/neotree-expand-or-open
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:Lm "v" 'neotree-enter-vertical-split
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:Lm "s" 'neotree-enter-horizontal-split
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:Lm "c" 'neotree-create-node
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:Lm "d" 'neotree-delete-node
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:Lm "\C-r" 'neotree-refresh
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:Lm "r" 'neotree-rename-node
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:Lm "R" 'neotree-change-root)))
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