system changes

1 files changed, 568 insertions, 9 deletions

diff --git a/common/.config/emacs/init.el.org b/common/.config/emacs/init.el.org
index a1df3f8..4590a18 100644
--- a/common/.config/emacs/init.el.org
+++ b/common/.config/emacs/init.el.org
@@ -1,16 +1,29 @@
 #+title: Emacs Configuration
 
-Force the use of a =custom.el= file instead of appending to =init.el=.
+* Variables
+
+Font definitions.
+#+begin_src emacs-lisp
+  (defvar jj/mono-font)
+  (defvar jj/var-font)
+#+end_src
+
+* Functions
+
+** Early Setup
+=jj/force-custom-file= forces the use of a =custom.el= file instead of appending to =init.el=.
 #+begin_src emacs-lisp
   (defun jj/force-custom-file ()
+    "Use a custom file: custom.el. Load that file if it exists."
     (setq custom-file (concat user-emacs-directory "custom.el"))
     (when (file-exists-p custom-file)
       (load custom-file)))
 #+end_src
 
-Use the correct =PATH= variable.
+=jj/set-exec-path-from-shell-PATH= make Emacs use the correct =PATH= variable as macOS fails to load the =PATH= variable from my login shell.
 #+begin_src emacs-lisp
   (defun jj/set-exec-path-from-shell-PATH ()
+    "Load the login shell's PATH variable manually because macOS doesn't behave well."
     (interactive)
     (let ((path-from-shell (replace-regexp-in-string
                             "[ \t\n]*$" "" (shell-command-to-string
@@ -19,11 +32,557 @@ Use the correct =PATH= variable.
       (setq exec-path (split-string path-from-shell path-separator))))
 #+end_src
 
-Load files for config.
-#+begin_src emacs-lisp :tangle ~/.config/emacs/init.el :mkdirp yes
-  (load "~/.config/emacs/force-custom-file.el")
-  (load "~/.config/emacs/package-setup.el")
-  (load "~/.config/emacs/user-interface.el")
-  (load "~/.config/emacs/tools.el")
-  (load "~/.config/emacs/languages.el")
+=jj/suppress-nativecomp-errors= suppresses native compilation warnings and errors. Native compilation seems to be a little broken on macOS and the warnings are just annoying.
+#+begin_src emacs-lisp :tangle yes
+  (defun jj/suppress-nativecomp-errors ()
+    "Log errors and warnings, but don't show them on screen."
+    (setq native-comp-async-report-warnings-errors 'silent))
+#+end_src
+
+=jj/setup-package-management= bootstraps package management. I use =straight= with =use-package= to allow declarative package management and include =git= repositories in addition to =elpa= / =melpa=.
+#+begin_src emacs-lisp
+  (defun jj/setup-package-management ()
+    "Use straight with use-package for package management"
+    (defvar bootstrap-version)
+    (let ((bootstrap-file
+           (expand-file-name
+            "straight/repos/straight.el/bootstrap.el"
+            (or (bound-and-true-p straight-base-dir)
+                user-emacs-directory)))
+          (bootstrap-version 7))
+      (unless (file-exists-p bootstrap-file)
+        (with-current-buffer
+            (url-retrieve-synchronously
+             "https://raw.githubusercontent.com/radian-software/straight.el/develop/install.el"
+             'silent 'inhibit-cookies)
+          (goto-char (point-max))
+          (eval-print-last-sexp)))
+      (load bootstrap-file nil ':nomessage))
+    (straight-use-package 'use-package)
+    (setq straight-use-package-by-default t))
+#+end_src
+
+=jj/early-setup= runs all early setup functions.
+#+begin_src emacs-lisp
+  (defun jj/early-setup ()
+    "Run early setup functions"
+    (jj/force-custom-file)
+    (jj/set-exec-path-from-shell-PATH)
+    (jj/suppress-nativecomp-errors)
+    (jj/setup-package-management))
+#+end_src
+
+** Appearance
+
+=jj/setup-fonts= sets up fonts. I use Source Code Pro (Nerd Font) for monospace and Computer Modern for variable width.
+#+begin_src emacs-lisp
+  (defun jj/setup-fonts ()
+    "Set font sizes based on the operating system. macOS expects bigger fonts than Linux"
+    (pcase system-type
+      (`gnu/linux
+       (setq jj/mono-font "SauceCodePro Nerd Font-11"
+             jj/var-font "CMU Serif-14"))
+      (`darwin
+       (setq jj/mono-font "SauceCodePro Nerd Font-14:weight=thin"
+             jj/var-font "CMU Serif-18")))
+    (add-to-list 'default-frame-alist
+                 `(font . ,jj/mono-font)))
+#+end_src
+
+=jj/setup-theme= is the reason I use =straight= rather than just =use-package=. I have a custom Emacs theme that comes from my own fork of =doom-themes=. I also use =doom-modeline= and =nerd-icons= for a nicer-looking user interface and remove the title bar from the window along with any other unnecessary elements from the screen. =dired= is modified to use =nerd-icons= and colours.
+#+begin_src emacs-lisp
+  (defun jj/setup-theme ()
+    "Install theming for Emacs from my fork of the doom-themes repo"
+    (use-package doom-themes
+      :straight
+      (doom-themes :type git
+                   :host github
+                   :repo "doomemacs/themes"
+                   :fork
+                   (:host github
+                    :repo "JacobJanzen/emacs-doom-themes"))
+      :config
+      (setq doom-themes-enable-bold t
+            doom-themes-enable-italic t)
+      (load-theme 'doom-disco t)
+      (doom-themes-org-config))
+    (use-package doom-modeline
+      :init
+      (doom-modeline-mode 1))
+    (use-package nerd-icons)
+    (use-package nerd-icons-dired
+      :after
+      (nerd-icons)
+      :hook
+      (dired-mode . nerd-icons-dired-mode))
+    (use-package nerd-icons-completion
+      :config
+      (nerd-icons-completion-mode))
+    (use-package diredfl
+      :init
+      (diredfl-global-mode 1))
+    (add-to-list 'default-frame-alist '(undecorated . t))
+    (scroll-bar-mode -1)
+    (tool-bar-mode -1)
+    (menu-bar-mode -1))
+#+end_src
+
+=jj/clean-startup-screen= disables the default startup screen so Emacs starts in the =scratch= buffer and also defaults to an empty =scratch= buffer.
+#+begin_src emacs-lisp
+  (defun jj/clean-startup-screen ()
+    "Remove default startup screen; clean scratch buffer"
+    (setq inhibit-startup-screen t
+          initial-scratch-message nil))
+#+end_src
+
+=jj/enable-line-numbers= tells Emacs to use line numbers by default.
+#+begin_src emacs-lisp
+  (defun jj/enable-line-numbers ()
+    "Enable line numbers by default"
+    (global-display-line-numbers-mode 1))
+#+end_src
+
+=jj/setup-whitespace= configures Emacs to default to spaces over tabs and use a width of 4 by default.
+#+begin_src emacs-lisp
+  (defun jj/setup-whitespace ()
+    (setq-default indent-tabs-mode nil)
+    (setq tab-width 4
+          c-basic-offset tab-width))
+#+end_src
+
+=jj/setup-visual-fill-column= installs and configures =visual-fill-column= to make some file types display with a narrow window centred in the frame.
+#+begin_src emacs-lisp
+  (defun jj/setup-visual-fill-column ()
+    "configure and install visual-fill-column"
+    (defun jj/run-visual-line-mode ()
+      "run visual-line-mode"
+      (visual-line-mode)
+      (visual-fill-column-mode))
+    (use-package visual-fill-column
+      :hook
+      (org-mode . jj/run-visual-line-mode)
+      (markdown-mode . jj/run-visual-line-mode)
+      :config
+      (setq visual-fill-column-width 100
+            visual-fill-column-center-text t)))
+#+end_src
+
+=jj/appearance= runs all appearance functions.
+#+begin_src emacs-lisp
+  (defun jj/appearance ()
+    "Run appearance functions"
+    (jj/setup-fonts)
+    (jj/setup-theme)
+    (jj/clean-startup-screen)
+    (jj/enable-line-numbers)
+    (jj/setup-whitespace)
+    (jj/setup-visual-fill-column))
+
+#+end_src
+
+** Behaviour
+
+=jj/nicer-scroll= makes Emacs scroll one line at a time instead of big jumps.
+#+begin_src emacs-lisp
+  (defun jj/nicer-scroll ()
+    "Scroll one line at a time"
+    (setq scroll-conservatively most-positive-fixnum))
+#+end_src
+
+=jj/setup-delete-trailing-whitespace= make Emacs delete trailing whitspace on save. This does not happen in =markdown-mode= which sometimes needs trailing whitespace.
+#+begin_src emacs-lisp
+  (defun jj/setup-delete-trailing-whitespace ()
+    "Delete trailing whitespace on save"
+    (add-hook 'before-save-hook
+              (lambda ()
+                (unless (eql (with-current-buffer (current-buffer) major-mode)
+                             'markdown-mode)
+                  (delete-trailing-whitespace)))))
+#+end_src
+
+=jj/setup-auto-make-directory= makes Emacs create directories if they don't exist if the user selects that answer.
+#+begin_src emacs-lisp
+  (defun jj/setup-auto-make-directory ()
+    (add-to-list 'find-file-not-found-functions
+                 (lambda ()
+                   (let ((parent-directory (file-name-directory buffer-file-name)))
+                     (when (and (not (file-exists-p parent-directory))
+                                (y-or-n-p (format "Directory `%s' does not exist! Create it?" parent-directory)))
+                       (make-directory parent-directory t))))))
+#+end_src
+
+=jj/setup-disable-backup-files= disables the creation of backup files which pollute the file system.
+#+begin_src emacs-lisp
+  (defun jj/setup-disable-backup-files ()
+    "disable creation of backup files"
+    (setq make-backup-files nil))
+#+end_src
+
+=jj/save-place-in-pdf= makes PDFs save where in the document it was last.
+#+begin_src emacs-lisp
+  (defun jj/save-place-in-pdf ()
+    "keep position in PDF files"
+    (use-package saveplace-pdf-view
+      :config
+      (save-place-mode 1)))
+#+end_src
+
+=jj/behaviour= runs all behaviour setup functions.
+#+begin_src emacs-lisp :tangle yes
+  (defun jj/behaviour ()
+    "Setup behaviour for Emacs"
+    (jj/nicer-scroll)
+    (jj/setup-delete-trailing-whitespace)
+    (jj/setup-auto-make-directory)
+    (jj/setup-disable-backup-files)
+    (jj/save-place-in-pdf))
+#+end_src
+
+** Tools
+
+=jj/setup-dumb-jump= configures =dumb-jump= for better lookup.
+#+begin_src emacs-lisp
+  (defun jj/setup-dumb-jump ()
+    "install and configure dumb-jump"
+    (use-package dumb-jump
+      :init (add-hook 'xref-backend-functions #'dumb-jump-xref-activate)))
+#+end_src
+
+=jj/setup-magit= configures and installs =magit= as a =git= front end.
+#+begin_src emacs-lisp
+  (defun jj/setup-magit ()
+    "install magit"
+    (use-package magit))
+#+end_src
+
+=jj/setup-fzf= installs and configures =fzf= to be used as a fuzzy finder.
+#+begin_src emacs-lisp
+  (defun jj/setup-fzf ()
+    "install and configure fzf"
+    (use-package fzf
+      :bind
+      ("C-c C-f" . fzf)
+      :config
+      (setq fzf/args "-x --color 16 --print-query --margin=1,0 --no-hscroll"
+            fzf/executable "fzf"
+            fzf/git-grep-args "-i --line-number %s"
+            fzf/grep-command "grep -nrH"
+            fzf/position-bottom nil
+            fzf/window-height 15)))
+#+end_src
+
+=jj/setup-vterm= configures and installs =vterm= as a terminal emulator in Emacs.
+#+begin_src emacs-lisp
+  (defun jj/setup-vterm ()
+    "install and configure vterm"
+    (use-package vterm
+      :bind
+      ("C-c v" . vterm)))
+#+end_src
+
+=jj/setup-completions= installs =company= for completions. It is configured to start with no delay immediately after the first key press. =vertico= is used as a front end for completions. =orderless= is used to allow searching in any portion of a string and =marginalia= gives descriptions of items in the list.
+#+begin_src emacs-lisp
+  (defun jj/setup-completions ()
+    "configure and install company"
+    (use-package company
+      :config
+      (add-hook 'after-init-hook 'global-company-mode)
+      (setq company-idle-delay 0
+            company-minimum-prefix-length 1
+            company-selection-wrap-around t))
+    (use-package vertico
+      :custom
+      (vertico-cycle t)
+      :init
+      (vertico-mode 1))
+    (use-package orderless
+      :custom
+      (completion-styles '(orderless basic))
+      (completion-category-overrides '((file (styles basic partial-completion)))))
+    (use-package marginalia
+      :bind
+      (:map minibuffer-local-map
+            ("M-A" . marginalia-cycle))
+      :init
+      (marginalia-mode 1)))
+#+end_src
+
+=jj/setup-checkers= sets up =flycheck= and =flyspell= for syntax and spell checking respectively.
+#+begin_src emacs-lisp
+  (defun jj/setup-checkers ()
+    "Configure and install flycheck and flyspell"
+    (use-package flycheck
+      :config
+      (add-hook 'after-init-hook #'global-flycheck-mode))
+    (use-package flyspell
+      :hook
+      (text-mode . flyspell-mode))
+    (use-package flyspell-correct
+      :after flyspell
+      :bind (:map flyspell-mode-map ("C-;" . flyspell-correct-wrapper))))
+#+end_src
+
+=jj/setup-snippets= installs =yasnippet= for managing snippets and =yasnippet-snippets= for a collection of useful snippets.
+#+begin_src emacs-lisp
+  (defun jj/setup-snippets ()
+    "install snippets"
+    (use-package yasnippet
+      :init
+      (yas-global-mode 1)
+      :bind
+      ("C-c s" . yas-insert-snippet))
+    (use-package yasnippet-snippets))
+#+end_src
+
+=jj/setup-formatting= installs =apheleia= and =clang-format= to automatically format code on save.
+#+begin_src emacs-lisp
+  (defun jj/setup-formatting ()
+    "setup auto-formatters"
+    (use-package apheleia
+      :init (apheleia-global-mode 1))
+    (use-package clang-format))
+#+end_src
+
+=jj/setup-rss= configures and installs =elfeed= to serve as an =rss= feed reader. It stores the feed [[./feed.org.org][here]].
+#+begin_src emacs-lisp
+  (defun jj/setup-rss ()
+    "configure elfeed for rss"
+    (use-package elfeed
+      :bind
+      ("C-c e f" . elfeed)
+      ("C-c e u" . elfeed-update))
+    (use-package elfeed-goodies
+      :after
+      elfeed
+      :config
+      (elfeed-goodies/setup))
+    (use-package elfeed-org
+      :config
+      (elfeed-org)
+      (setq rmh-elfeed-org-files (list "~/.config/emacs/feed.org"))))
+#+end_src
+
+=jj/setup-note-management= sets up =deft= for quick notes.
+#+begin_src emacs-lisp
+  (defun jj/setup-note-management ()
+    "configure and install deft"
+    (use-package deft
+      :bind
+      ("C-c d" . deft)
+      :config
+      (setq deft-directory "~/notes/"
+            deft-default-extension "org")))
+#+end_src
+
+=jj/tools= installs and configures all tools specified above.
+#+begin_src emacs-lisp
+  (defun jj/tools ()
+    "configure and install tools"
+    (jj/setup-dumb-jump)
+    (jj/setup-magit)
+    (jj/setup-fzf)
+    (jj/setup-vterm)
+    (jj/setup-completions)
+    (jj/setup-checkers)
+    (jj/setup-snippets)
+    (jj/setup-formatting)
+    (jj/setup-rss)
+    (jj/setup-note-management))
+#+end_src
+
+** Languages
+
+=jj/setup-org-mode= configures =org-mode=. I use =~/org= as my =org= directory and hide emphasis markers because it's much easier to read that way. I enable =org-crypt= to allow reading and writing encrypted =org= files. I also replace bullets in bulleted lists with nicer looking icons. I configure faces to default to variable-width font, but switching to monospace where it is necessary. Finally, I use =visual-fill-column= to make =org= files display with a relatively narrow window centred in the frame.
+#+begin_src emacs-lisp
+  (defun jj/setup-org-mode
+      "setup org-mode"
+    (use-package org
+      :hook
+      (org-mode . (lambda () ((variable-pitch-mode)
+                              (display-line-numbers-mode -1))))
+      :config
+      (org-crypt-use-before-save-magic)
+      (setq org-directory "~/org"
+            org-hide-emphasis-markers t
+            org-format-latex-options (plist-put org-format-latex-options :scale 2.0)
+            org-return-follows-link t
+            org-tags-exclude-from-inheritance '("crypt")
+            org-crypt-key nil
+            auto-save-default nil)
+      (font-lock-add-keywords 'org-mode
+                              '(("^ *\\([-]\\) "
+                                 (0 (prog1 () (compose-region (match-beginning 1) (match-end 1O) "•"))))))
+      :custom-face
+      (org-block ((t :font ,jj/mono-font)))
+      (org-code ((t :font ,jj/mono-font (:inherit (shadow)))))
+      (org-document-info-keyword ((t :font ,jj/mono-font (:inherit (shadow)))))
+      (org-meta-line ((t :font ,jj/mono-font (:inherit (font-lock-comment-face)))))
+      (org-verbatim ((t :font ,jj/mono-font (:inherit (shadow)))))
+      (org-table ((t :font ,jj/mono-font (:inherit (shadow)))))
+      (org-document-title ((t (:inherit title :height 2.0 :underline nil))))
+      (org-level-1 ((t (:inherit outline-1 :weight bold :height 1.75))))
+      (org-level-2 ((t (:inherit outline-2 :weight bold :height 1.5))))
+      (org-level-3 ((t (:inherit outline-3 :weight bold :height 1.25))))
+      (org-level-4 ((t (:inherit outline-4 :weight bold :height 1.1))))
+      (org-level-5 ((t (:inherit outline-5 :height 1.1))))
+      (org-level-6 ((t (:inherit outline-6))))))
+#+end_src
+
+=jj/setup-cmake= installs =cmake-mode=.
+#+begin_src emacs-lisp
+  (defun jj/setup-cmake ()
+      "install cmake-mode"
+      (use-package cmake-mode))
+#+end_src
+
+=jj/setup-c= configures Emacs to work with C source code the way I like. Notably, I disable =c-mode= in =lex= and =yacc= files.
+#+begin_src emacs-lisp
+  (defun jj/setup-c ()
+    "configure C source"
+    (dolist (extension '("\\.l$" "\\.y$"))
+            (add-to-list 'auto-mode-alist '(extension . prog-mode))))
+#+end_src
+
+=jj/setup-go= installs =go-mode= and tools for =go= source code. Namely, =go-eldoc= gets documentation for =go= variables, functions, and arguments, =go-gen-tests= automatically generates tests for =go= code, and =go-guru= helps with refactoring =go= code.
+#+begin_src emacs-lisp
+  (defun jj/setup-go ()
+    "install go-mode and tools for go"
+    (use-package go-mode)
+    (use-package go-eldoc
+      :hook
+      (go-mode . go-eldoc-setup))
+    (use-package go-gen-test)
+    (use-package go-guru
+      :hook
+      (go-mode . go-guru-hl-identifier-mode)))
+#+end_src
+
+=jj/setup-lua= installs =lua-mode=.
+#+begin_src emacs-lisp
+  (defun jj/setup-lua ()
+    "install lua-mode"
+    (use-package lua-mode))
+#+end_src
+
+=jj/setup-lisp= installs tools for Emacs Lisp. Namely =parinfer-rust-mode= which handles parentheses nicely in Emacs Lisp.
+#+begin_src emacs-lisp :tangle yes
+  (defun jj/setup-lisp ()
+    "install tools for lisp"
+    (use-package parinfer-rust-mode
+      :hook
+      (emacs-lisp-mode . parinfer-rust-mode)
+      :init
+      (setq parinfer-rust-auto-download t)))
+#+end_src
+
+=jj/setup-markdown= configures how Markdown is displayed (default to variable-width font and use monospace where necessary) and installs =markdown-mode=.
+#+begin_src emacs-lisp
+  (defun jj/setup-markdown ()
+    "configure and install markdown-mode"
+    (use-package markdown-mode
+      :hook
+      (markdown-mode . (lambda () ((variable-pitch-mode)
+                                   (display-line-numbers-mode -1))))
+      :config
+      (setq markdown-hide-markup t)
+      :custom-face
+      (markdown-header-face ((t :font ,jj/var-font :weight bold)))
+      (markdown-header-face-1 ((t (:inherit markdown-header-face :height 2.0))))
+      (markdown-header-face-2 ((t (:inherit markdown-header-face :height 1.75))))
+      (markdown-header-face-3 ((t (:inherit markdown-header-face :height 1.5))))
+      (markdown-header-face-4 ((t (:inherit markdown-header-face :height 1.25))))
+      (markdown-header-face-5 ((t (:inherit markdown-header-face :height 1.1))))
+      (markdown-header-face-6 ((t (:inherit markdown-header-face :height 1.1))))
+      (markdown-blockquote-face ((t :font ,jj/var-font)))
+      (markdown-code-face ((t :font ,jj/mono-font)))
+      (markdown-html-attr-name-face ((t :font ,jj/mono-font)))
+      (markdown-html-attr-value-face ((t :font ,jj/mono-font)))
+      (markdown-html-entity-face ((t :font ,jj/mono-font)))
+      (markdown-html-tag-delimiter-face ((t :font ,jj/mono-font)))
+      (markdown-html-tag-name-face ((t :font ,jj/mono-font)))
+      (markdown-html-comment-face ((t :font ,jj/mono-font)))
+      (markdown-header-delimiter-face ((t :font ,jj/mono-font)))
+      (markdown-hr-face ((t :font ,jj/mono-font)))
+      (markdown-inline-code-face ((t :font ,jj/mono-font)))
+      (markdown-language-info-face ((t :font ,jj/mono-font)))
+      (markdown-language-keyword-face ((t :font ,jj/mono-font)))
+      (markdown-link-face ((t :font ,jj/mono-font)))
+      (markdown-markup-face ((t :font ,jj/mono-font)))
+      (markdown-math-face ((t :font ,jj/mono-font)))
+      (markdown-metadata-key-face ((t :font ,jj/mono-font)))
+      (markdown-metadata-value-face ((t :font ,jj/mono-font)))
+      (markdown-missing-link-face ((t :font ,jj/mono-font)))
+      (markdown-plain-url-face ((t :font ,jj/mono-font)))
+      (markdown-reference-face ((t :font ,jj/mono-font)))
+      (markdown-table-face ((t :font ,jj/mono-font)))
+      (markdown-url-face ((t :font ,jj/mono-font)))))
+#+end_src
+
+=jj/setup-latex= installs tools for LaTeX. Namely, =auctex= for better integration with Emacs and =cdlatex= for environment and macro insertion.
+#+begin_src emacs-lisp
+  (defun jj/setup-latex ()
+    "install tools for LaTeX"
+    (use-package auctex
+      :hook
+      (LaTeX-mode . (lambda () (put 'LaTeX-mode 'eglot-language-id "latex"))))
+    (use-package cdlatex
+      :hook
+      (LaTeX-mode . turn-on-cdlatex)))
+#+end_src
+
+=jj/setup-yaml= installs =yaml-mode=.
+#+begin_src emacs-lisp :tangle yes
+  (defun jj/setup-yaml ()
+    "install yaml-mode"
+    (use-package yaml-mode))
+#+end_src
+
+=jj/setup-nix= installs =nix-mode=.
+#+begin_src emacs-lisp
+  (defun jj/setup-nix ()
+    "install nix-mode"
+    (use-package nix-mode
+      :mode
+      "\\.nix\\'"))
+#+end_src
+
+=jj/languages= installs language modes and tools in addition to setting up =eglot= to run on those languages.
+#+begin_src emacs-lisp
+  (defun jj/languages ()
+    "install language tools and configure eglot"
+    (jj/setup-org-mode)
+    (jj/setup-cmake)
+    (jj/setup-c)
+    (jj/setup-go)
+    (jj/setup-lua)
+    (jj/setup-lisp)
+    (jj/setup-markdown)
+    (jj/setup-latex)
+    (jj/setup-yaml)
+    (jj/setup-nix)
+
+    (global-set-key (kbd "C-c r") 'eglot-rename)
+    (global-set-key (kbd "C-c a") 'eglot-code-actions)
+    (use-package tree-sitter)
+    (use-package tree-sitter-langs)
+    (dolist (lang-hook '(sh-mode-hook
+                         c-mode-hook
+                         c++-mode-hook
+                         cc-mode-hook
+                         cmake-mode-hook
+                         html-mode-hook
+                         css-mode-hook
+                         js-json-mode-hook
+                         js-mode-hook
+                         python-mode-hook
+                         go-mode-hook
+                         lua-mode-hook
+                         markdown-mode-hook
+                         tex-mode-hook
+                         LaTeX-mode-hook
+                         yaml-mode-hook
+                         nix-mode-hook))
+      (add-hook lang-hook (lambda () ((eglot-ensure)
+                                      (tree-sitter-mode 1)
+                                      (tree-sitter-hl-mode 1))))))
 #+end_src