Support vterm-mgt.el
I enjoyed using term-switcher so much that I ended up adopting vterm as my primary terminal. After reaching for vterm as often as I did, I realized that I would enjoy supporting cycling through instances, creating new instances, deleting existing instances, renaming instances. Thus spawned vterm-mgt.el. I'm particularly excited about the KBD to toggle between vterm instances and source code buffers.
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4 changed files with 146 additions and 5 deletions
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@ -15,9 +15,10 @@
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(require 'chrome)
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(require 'scrot)
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(require 'ivy-clipmenu)
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(require 'term-switcher)
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(require 'general)
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(require 'window-manager)
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(require 'vterm-mgt)
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(require 'buffer)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Configuration
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@ -43,7 +44,27 @@
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(keybinding/exwm "<C-M-tab>" #'exwm/switch-to-exwm-buffer)
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(general-define-key (kbd/raw 'x11 "t") #'ts/switch-to-terminal)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Vterm
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Show or hide a vterm buffer. I'm intentionally not defining this in
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;; vterm-mgt.el because it consumes `buffer/show-previous', and I'd like to
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;; avoid bloating vterm-mgt.el with dependencies that others may not want.
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(general-define-key (kbd/raw 'x11 "t")
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(lambda ()
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(interactive)
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(if (vterm-mgt--instance? (current-buffer))
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(switch-to-buffer (first (buffer/source-code-buffers)))
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(call-interactively #'vterm-mgt-find-or-create))))
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(general-define-key
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:keymaps '(vterm-mode-map)
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"C-S-n" #'vterm-mgt-instantiate
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"C-S-w" #'vterm-mgt-kill
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"<C-tab>" #'vterm-mgt-next
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"<C-S-iso-lefttab>" #'vterm-mgt-prev
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"<s-backspace>" #'vterm-mgt-rename-buffer)
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(provide 'keybindings)
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;;; keybindings.el ends here
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120
emacs/.emacs.d/wpc/vterm-mgt.el
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120
emacs/.emacs.d/wpc/vterm-mgt.el
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@ -0,0 +1,120 @@
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;;; vterm-mgt.el --- Help me manage my vterm instances -*- lexical-binding: t -*-
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;; Author: William Carroll <wpcarro@gmail.com>
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;;; Commentary:
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;; Supporting functions to instantiate vterm buffers, kill existing vterm
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;; buffers, rename vterm buffers, cycle forwards and backwards through vterm
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;; buffers.
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;;
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;; Many of the functions defined herein are intended to be bound to
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;; `vterm-mode-map'. Some assertions are made to guard against calling
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;; functions that are intended to be called from outside of a vterm buffer.
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;; These assertions shouldn't error when the functions are bound to
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;; `vterm-mode-map'. If for some reason, you'd like to bind these functions to
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;; a separate keymap, caveat emptor.
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;;; Code:
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Dependencies
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(require 'dash)
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(require 'cycle)
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(require 'vterm)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Configuration
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defconst vterm-mgt--instances (cycle/new)
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"A cycle tracking all of my vterm instances.")
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(defcustom vterm-mgt-scroll-on-focus nil
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"When t, call `end-of-buffer' after focusing a vterm instance.")
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(defun vterm-mgt--instance? (b)
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"Return t if the buffer B is a vterm instance."
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(equal 'vterm-mode (buffer-local-value 'major-mode b)))
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(defmacro vterm-mgt--assert-vterm-buffer ()
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"Error when the `current-buffer' is not a vterm buffer."
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'(prelude/assert (vterm-mgt--instance? (current-buffer))))
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(defun vterm-mgt-next ()
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"Replace the current buffer with the next item in `vterm-mgt--instances'.
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This function should be called from a buffer running vterm."
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(interactive)
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(vterm-mgt--assert-vterm-buffer)
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(cycle/focus-item (current-buffer) vterm-mgt--instances)
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(switch-to-buffer (cycle/next vterm-mgt--instances))
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(when vterm-mgt-scroll-on-focus (end-of-buffer)))
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(defun vterm-mgt-prev ()
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"Replace the current buffer with the previous item in `vterm-mgt--instances'.
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This function should be called from a buffer running vterm."
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(interactive)
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(vterm-mgt--assert-vterm-buffer)
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(cycle/focus-item (current-buffer) vterm-mgt--instances)
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(switch-to-buffer (cycle/prev vterm-mgt--instances))
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(when vterm-mgt-scroll-on-focus (end-of-buffer)))
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(defun vterm-mgt-instantiate ()
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"Create a new vterm instance.
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Prefer calling this function instead of `vterm'. This function ensures that the
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newly created instance is added to `vterm-mgt--instances'.
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If however you must call `vterm', if you'd like to cycle through vterm
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instances, make sure you call `vterm-mgt-populate-cycle' to allow vterm-mgt to
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collect any untracked vterm instances."
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(interactive)
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(let ((buffer (vterm)))
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(cycle/append buffer vterm-mgt--instances)
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(cycle/focus-item buffer vterm-mgt--instances)))
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(defun vterm-mgt-kill ()
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"Kill the current buffer and remove it from `vterm-mgt--instances'.
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This function should be called from a buffer running vterm."
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(interactive)
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(vterm-mgt--assert-vterm-buffer)
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(let ((buffer (current-buffer)))
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(cycle/remove buffer vterm-mgt--instances)
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(kill-buffer buffer)))
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(defun vterm-mgt-find-or-create ()
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"Call `switch-to-buffer' on a focused vterm instance if there is one.
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When `cycle/focused?' returns nil, focus the first item in the cycle. When
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there are no items in the cycle, call `vterm-mgt-instantiate' to create a vterm
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instance."
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(interactive)
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(if (cycle/empty? vterm-mgt--instances)
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(vterm-mgt-instantiate)
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(if (cycle/focused? vterm-mgt--instances)
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(switch-to-buffer (cycle/current vterm-mgt--instances))
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(progn
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(cycle/jump 0 vterm-mgt--instances)
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(switch-to-buffer (cycle/current vterm-mgt--instances))))))
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(defun vterm-mgt-rename-buffer (name)
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"Rename the current buffer ensuring that its NAME is wrapped in *vterm*<...>.
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This function should be called from a buffer running vterm."
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(interactive "SRename vterm buffer: ")
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(vterm-mgt--assert-vterm-buffer)
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(rename-buffer (format "vterm<%s>" name)))
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(defun vterm-mgt-repopulate-cycle ()
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"Fill `vterm-mgt--instances' with the existing vterm buffers.
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If for whatever reason, the state of `vterm-mgt--instances' is corrupted and
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misaligns with the state of vterm buffers in Emacs, use this function to
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attempt to restore the state."
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(interactive)
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(setq vterm-mgt--instances
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(->> (buffer-list)
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(-filter #'vterm-mgt--instance?)
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cycle/from-list)))
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(provide 'vterm-mgt)
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;;; vterm-mgt.el ends here
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@ -26,7 +26,7 @@
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(require 'display)
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(require 'dotfiles)
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(require 'org-helpers)
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(require 'vterm)
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(require 'vterm-mgt)
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(require 'dash)
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(require 'evil)
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@ -521,7 +521,7 @@ This function asssumes that BUFFER passes the `exwm/exwm-buffer?' predicate."
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(progn
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(exwm/switch "Terminal")
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(vterm))
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(vterm-mgt-instantiate))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Todos
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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]) ++
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(with epkgs.melpaPackages; [
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vterm
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base16-theme
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ivy-pass
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clipmon # TODO: Prefer an Emacs client for clipmenud.
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(with depot.tools.emacs-pkgs; [
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dottime
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term-switcher
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]));
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# TODO: Do I need `pkgs.lib.fix`?
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