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+#+TITLE: Emacs config
+#+AUTHOR: Erwin Boskma
+#+OPTIONS: toc:nil h:4
+#+STARTUP: overview
+#+PROPERTY: header-args:emacs-lisp :tangle init.el
+#+PROPERTY: header-args:emacs-lisp+ :noweb tangle
+
+This is my emacs configuration. It is structured as an org-mode file, to easily provide context and documentation.
+
+Last export: {{{modification-time(%Y-%m-%d %H:%M)}}}
+
+#+TOC: headlines 4
+
+
+* Setup
+** Early init
+
+This ends up in =early-init.el=.
+
+#+begin_src emacs-lisp 
+  ;; -*- lexical-binding: t; -*-
+  ;; Prevent package.el from loading packages until we're ready for it
+  (setq package-enable-at-startup nil)
+  ;; Don't resize the frame to preserve the number of columns or lines
+  ;; being displayed when setting font, menu bar, tool bar, tab bar,
+  ;; internal borders, fringes, or scroll bars.  Since I use a tiling
+  ;; window manager, this option is 1. useless anyways and 2. _terribly_ expensive.
+  (setq frame-inhibit-implied-resize t)
+  ;; Suppress warnings and errors during asynchronous native compilation
+  (setq native-comp-async-report-warnings-errors nil)
+  ;; Prevent unwanted runtime builds; packages are compiled ahead-of-time when
+  ;; they are installed and site files are compiled when gccemacs is installed.
+  ;; (setq comp-deferred-compilation nil)
+  (setq native-comp-deferred-compilation nil)
+
+  ;; Prevent unwanted runtime builds in gccemacs (native-comp); packages are
+  ;; compiled ahead-of-time when they are installed and site files are compiled
+  ;; when gccemacs is installed.
+  (setq comp-deferred-compilation nil)
+#+end_src
+
+** Personal variables
+
+This sets some variables with my personal preferences for easy customization
+
+#+begin_src emacs-lisp
+  (defvar my/default-font "Iosevka Nerd Font")
+  (defvar my/variable-width-font "Iosevka Aile")
+  (defvar my/default-font-height 110)
+  (defvar my/default-font-weight 'normal)
+  (defvar my/default-font-width 'normal)
+  (defvar my/variable-width-font-height 1.2)
+  (defvar my/config-file-path (expand-file-name "config.org" user-emacs-directory))
+  (defvar my/snippets-dir (expand-file-name "snippets" user-emacs-directory))
+  (defvar my/local-init-file (expand-file-name "local-init.el" user-emacs-directory))
+  (defvar my/leader "C-c")
+#+end_src
+
+And my personal info.
+
+#+begin_src emacs-lisp
+  (setq user-full-name "Erwin Boskma"
+        user-mail-address "erwin@datarift.nl")
+#+end_src
+
+** Garbage collector
+Increasing the garbage collector threshold should also improve startup time. This increases it from 800 kB to 128MB
+
+#+begin_src emacs-lisp
+  (setq gc-cons-threshold (* 128 1024 1024))
+#+end_src
+
+This resets the threshold back to it's default. This should not be done if =lsp-mode= is enabled, it needs the higher threshold.
+
+#+begin_src emacs-lisp :tangle no
+  (add-hook 'after-init-hook
+            (lambda ()
+              (setq gc-cons-threshold 800000)
+              (message "gc-cons-threshold restored to %s"
+                       gc-cons-threshold)))
+#+end_src
+
+** Increase process output buffer
+
+LSP responses can be rather large, in the 800KiB - 3MiB range. 2MiB is a decent value
+
+#+begin_src emacs-lisp
+  (setq read-process-output-max (* 2 1024 1024))
+#+end_src
+
+** Package sources
+
+Add repositories where packages are installed from. Setting =package-enable-at-startup= to =nil= prevents a second package load and improves startup time
+
+#+begin_src emacs-lisp
+    (setq package-enable-at-startup nil)
+    (setq package-archives '(("gnu" . "https://elpa.gnu.org/packages/")
+                             ("nongnu" . "https://elpa.nongnu.org/nongnu/")
+                             ("melpa" . "https://melpa.org/packages/")
+                             ("org" . "https://orgmode.org/elpa/")
+                             ("onpa" . "https://olanilsson.bitbucket.io/packages/")))
+#+end_src
+
+** Bootstrap use-package
+
+If =use-package= is not installed, install it.
+
+#+begin_src emacs-lisp
+  (require 'package)
+  (package-initialize)
+  (unless (package-installed-p 'use-package)
+    (package-refresh-contents)
+    (package-install 'use-package)
+    (cl-eval-when 'compile (require 'use-package)))
+#+end_src
+
+By default packages should always be installed from the package manager. This is equivalent to setting =:ensure t= on each call to =use-package=. To override this for a package (e.g. because it is builtin, or a subpackage), use =:ensure nil=. This is done automatically for packages that use =:load-path=.
+
+#+begin_src emacs-lisp
+  (setq use-package-always-ensure t)
+#+end_src
+
+** Bootstrap straight.el and use-package [DISABLED]
+
+[[https://github.com/radian-software/straight.el][straight.el]] is a pure functional package manager and installs packages from git instead of downloading tars
+
+#+begin_src emacs-lisp :tangle no
+  (defvar bootstrap-version)
+  ;; Workaround for flycheck. See https://github.com/radian-software/straight.el/issues/508 for more info
+  (setq straight-fix-flycheck t)
+  (let ((bootstrap-file
+         (expand-file-name "straight/repos/straight.el/bootstrap.el" user-emacs-directory))
+        (bootstrap-version 6))
+    (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))
+#+end_src
+
+Install =use-package= and make it use =straight.el= by default.
+
+#+begin_src emacs-lisp :tangle no
+  (straight-use-package 'use-package)
+  (setq straight-use-package-by-default t)
+#+end_src
+
+** general.el
+
+[[https://github.com/noctuid/general.el][general.el]] provides a more convenient way for binding keys in emacs. It also integrates with =use-package= with the =:general= keyword.
+
+#+begin_src emacs-lisp
+  (use-package general
+    :demand t
+    :config
+    (progn
+      (general-define-key
+       :prefix my/leader
+       "a" 'org-agenda
+       "k" 'general-describe-keybindings)
+      (general-define-key
+       "C-M-z" 'zap-to-char
+       "M-z" 'zap-up-to-char)))
+
+#+end_src
+
+** Setup asdf [DISABLED]
+
+[[https://asdf-vm.com][asdf]] is a tool to install and use multiple versions of development tools and programming languages.
+
+#+begin_src emacs-lisp :tangle no
+  (when (executable-find "asdf")
+    (use-package asdf-vm
+      :straight (:host github :repo "delonnewman/asdf-vm.el")
+      ;; :load-path "~/.config/emacs/elisp/asdf-vm.el/"
+      :config
+      (asdf-vm-init)))
+#+end_src
+
+** Set custom settings to load in temp file [DISABLED]
+
+Setting =custom-file= stops emacs from adding customised settings to =init.el=. I prefer to specify everything in this file, so this creates a temporary file where the customisations are stored. This effectively localises customisations to a session
+
+#+begin_src emacs-lisp :tangle no
+  (setq custom-file (make-temp-file "emacs-custom"))
+#+end_src
+
+** Disable the customize interface
+
+The =customize= functionality is annoying and messes up regularly. Stuff it has done so far:
+
+- Clobber the path to =mix= in Elixir projects
+
+This has been borrowed from [[https://github.com/doomemacs/doomemacs/blob/35865ef5e89442e3809b8095199977053dd4210f/core/core-ui.el#L628-L639][Doom Emacs]]
+#+begin_src emacs-lisp
+  (dolist (sym '(customize-option customize-browse customize-group customize-face
+                                  customize-rogue customize-saved customize-apropos
+                                  customize-changed customize-unsaved customize-variable
+                                  customize-set-value customize-customized customize-set-variable
+                                  customize-apropos-faces customize-save-variable
+                                  customize-apropos-groups customize-apropos-options
+                                  customize-changed-options customize-save-customized))
+    (put sym 'disabled (concat "This config doesn't support `customize', configure Emacs from " user-emacs-directory "/config.org instead")))
+  (put 'customize-themes 'disabled (concat "Use `load-theme' in " user-emacs-directory "/config.org instead"))
+#+end_src
+
+** Custom packages location
+
+Emacs only includes files directly under =user-emacs-directory=. I like to keep custom packages in a separate =elisp/= subdirectory.
+
+#+begin_src emacs-lisp
+  (add-to-list 'load-path (expand-file-name "elisp/" user-emacs-directory))
+#+end_src
+
+** Record key frequency
+
+Records what keys are used the most, so I can see if I can optimise shortcuts
+
+#+begin_src emacs-lisp
+  (use-package keyfreq
+    :config
+    (keyfreq-mode 1)
+    (keyfreq-autosave-mode 1))
+#+end_src
+
+** Save minibuffer history
+
+#+begin_src emacs-lisp
+  (use-package savehist
+    :ensure nil
+    :init
+    (savehist-mode))
+#+end_src
+
+* Preferences
+
+Don't display the help screen at startup
+
+#+begin_src emacs-lisp
+  (setq inhibit-startup-screen t)
+#+end_src
+
+Enable line wrapping
+
+#+begin_src emacs-lisp
+  (global-visual-line-mode 1)
+#+end_src
+
+Disable toolbar and scroll bar
+
+#+begin_src emacs-lisp
+  (tool-bar-mode -1)
+  (menu-bar-mode -1)
+  (scroll-bar-mode -1)
+#+end_src
+
+Don't show the warnings buffer for anything lesser than an error.
+
+#+begin_src emacs-lisp
+  (setq warning-minimum-level :error)
+#+end_src
+
+Keep buffers up-to-date automatically
+
+#+begin_src emacs-lisp
+  (global-auto-revert-mode t)
+#+end_src
+
+Automatically scroll the compile buffer
+
+#+begin_src emacs-lisp
+  (setq compilation-scroll-output 'first-error)
+#+end_src
+
+Always display line numbers, and the relative line number
+
+#+begin_src emacs-lisp
+  (setq display-line-numbers-type 'relative)
+  (global-display-line-numbers-mode)
+#+end_src
+
+Show matching parenthesese
+
+#+begin_src emacs-lisp
+  (show-paren-mode 1)
+  (setq show-paren-style 'expression)
+#+end_src
+
+Centralise backup files (the =filename~= files), so they don't pollute the project.
+
+#+begin_src emacs-lisp
+  (setq backup-directory-alist '((".*" . "~/.local/share/emacs/backup"))
+        backup-by-copying t   ; Don't delink hardlinks
+        version-control t     ; Use version numbers on backup files
+        delete-old-versions t ; Automatically delete obsolete backups
+        kept-new-versions 20  ; How many of the newest versions to keep
+        kept-old-versions 5   ; And how many of the oldest
+        )
+#+end_src
+
+Same for auto save files (the ones with the =#=)
+
+#+begin_src emacs-lisp
+  (setq auto-save-file-name-transforms '((".*" "~/.local/share/emacs/autosave/" t)))
+#+end_src
+
+Default indenting to spaces. If tabs are necessary, this can be set buffer-local. A single tab character can be added using =C-q TAB=
+
+#+begin_src emacs-lisp
+  (setq-default indent-tabs-mode nil)
+#+end_src
+
+Delete trailing whitespace on save.
+
+#+begin_src emacs-lisp
+  (add-hook 'before-save-hook 'delete-trailing-whitespace)
+#+end_src
+
+Don't move files to trash when deleting.
+
+#+begin_src emacs-lisp
+  (setq delete-by-moving-to-trash nil)
+#+end_src
+
+Restore cursor position when re-opening a file
+
+#+begin_src emacs-lisp
+  (save-place-mode t)
+#+end_src
+
+Prefer to open frames in a horizontal split
+
+#+begin_src emacs-lisp
+  (setq split-height-threshold nil)
+#+end_src
+
+Set fill column to 80
+
+#+begin_src emacs-lisp
+  (setq-default fill-column 80)
+#+end_src
+
+* Interface
+** Easy edit config file
+
+#+begin_src emacs-lisp
+  (defun find-config ()
+    "Edit config.org"
+    (interactive)
+    (find-file my/config-file-path))
+
+  (general-define-key
+       :prefix my/leader
+       "C" 'find-config)
+#+end_src
+** Appearance
+
+I prefer the [[https://draculatheme.com][dracula theme]]
+
+#+begin_src emacs-lisp
+  (use-package dracula-theme
+    :init
+    (load-theme 'dracula t))
+#+end_src
+
+[[https://github.com/belak/emacs-monokai-pro-theme][Monokai Pro]] is also pretty.
+
+#+begin_src emacs-lisp :tangle no
+  (use-package monokai-pro-theme
+    :init
+    (load-theme 'monokai-pro t))
+#+end_src
+
+Use Iosevka as font.
+
+#+begin_src emacs-lisp
+  (set-face-attribute 'default nil
+                       :family my/default-font
+                       :weight my/default-font-weight
+                       :width my/default-font-width
+                       :height my/default-font-height)
+  (set-face-attribute 'variable-pitch nil
+                      :family my/variable-width-font
+                      :weight my/default-font-weight
+                      :width my/default-font-width
+                      :height my/variable-width-font-height)
+#+end_src
+
+Emoji support
+
+#+begin_src emacs-lisp
+    (defun set-emoji-font ()
+      (when (member "Twitter Color Emoji" (font-family-list))
+        (set-fontset-font t 'emoji (font-spec :family "Twitter Color Emoji") nil 'prepend)))
+
+    (use-package emojify
+      :defer t
+      :init
+      (setq emojify-display-style 'unicode)
+      :config
+      (set-emoji-font)
+      :hook (server-after-make-frame . set-emoji-font))
+#+end_src
+
+Enable ligatures
+
+#+begin_src emacs-lisp
+  (use-package ligature
+    :config
+    ;; Enable all Iosevka ligatures in programming modes
+    (ligature-set-ligatures 'prog-mode '("<---" "<--"  "<<-" "<-" "->" "-->" "--->" "<->" "<-->" "<--->" "<---->" "<!--"
+                                         "<==" "<===" "<=" "=>" "=>>" "==>" "===>" ">=" "<=>" "<==>" "<===>" "<====>" "<!---"
+                                         "<~~" "<~" "~>" "~~>" "::" ":::" "==" "!=" "===" "!=="
+                                         ":=" ":-" ":+" "<*" "<*>" "*>" "<|" "<|>" "|>" "+:" "-:" "=:" "<******>" "++" "+++"))
+    ;; Enables ligature checks globally in all buffers. You can also do it
+    ;; per mode with `ligature-mode'.
+    (global-ligature-mode t))
+#+end_src
+
+Add a dashboard on startup
+
+#+begin_src emacs-lisp
+  (use-package dashboard
+    :after all-the-icons
+    :hook (dashboard-mode . (lambda ()
+                              (setq show-trailing-whitespace nil)))
+    :custom
+    (dashboard-set-navigator t)
+    (dashboard-center-content t)
+    (dashbaord-set-file-icons t)
+    (dashboard-set-heading-icons t)
+    (dashboard-set-init-info t)
+    (dashboard-image-banner-max-height 250)
+    (dashboard-banner-logo-title "Bûter, brea en griene tsiis, wa dat net sizze kin is gjin oprjochte Fries.")
+    (dashboard-startup-banner (concat user-emacs-directory "images/ue-colorful.png"))
+    :config
+    (dashboard-setup-startup-hook)
+    (setq dashboard-footer-icon (all-the-icons-octicon "dashboard"
+                                                       :height 1.1
+                                                       :v-adjust -0.05
+                                                       :face 'font-lock-keyword-face))
+    (setq dashboard-navigator-buttons
+          `(((,(all-the-icons-octicon "search" :height 0.9 :v-adjust -0.1)
+            " Find file" nil
+            (lambda (&rest _) (find-file)) nil "" "            C-x C-f"))
+          ((,(all-the-icons-octicon "file-directory" :height 1.0 :v-adjust -0.1)
+            " Open project" nil
+            (lambda (&rest _) (projectile-switch-project)) nil "" "         C-c p p"))
+          ((,(all-the-icons-octicon "three-bars" :height 1.1 :v-adjust -0.1)
+            " File explorer" nil
+            (lambda (&rest _) (projectile-dired)) nil "" "        C-c p D"))
+          ((,(all-the-icons-octicon "settings" :height 0.9 :v-adjust -0.1)
+            " Open settings" nil
+            (lambda (&rest _) (find-config)) nil "" "        C-c C  "))))
+    (setq
+     dashboard-projects-backend 'projectile
+     dashboard-items '((recents . 5)
+                       (projects . 5)
+                       (registers . 5)))
+    ;; Also show dashboard on new emacsclient window
+    (setq initial-buffer-choice (lambda ()
+                                  (get-buffer-create "*dashboard*")))
+    :custom-face
+    (dashboard-heading ((t (:weight bold)))))
+
+#+end_src
+
+** Modeline
+
+[[https://github.com/myrjola/diminish.el][diminish]] hides modes from the modeline
+
+#+begin_src emacs-lisp
+  (use-package diminish)
+#+end_src
+
+[[https://github.com/domtronn/all-the-icons.el][all-the-icons]] provides ALL the icons. Run `all-the-icons-install-fonts` after installing to download the actual font.
+
+#+begin_src emacs-lisp
+  (use-package all-the-icons
+    :if (display-graphic-p))
+#+end_src
+
+[[https://github.com/tarsius/minions][minions]] adds a menu for minor modes to the modeline
+
+#+begin_src emacs-lisp
+      (use-package minions
+        :hook
+        (doom-modeline-mode . minions-mode))
+#+end_src
+
+Use [[https://github.com/seagle0128/doom-modeline][doom-modeline]] for a nice and fancy modeline
+
+#+begin_src emacs-lisp
+  (use-package doom-modeline
+    :init
+    (doom-modeline-mode 1)
+    :config
+    (setq doom-modeline-height 25
+          doom-modeline-bar-width 6
+          doom-modeline-lsp t
+          doom-modeline-github nil
+          doom-modeline-mu4e nil
+          doom-modeline-irc nil
+          doom-modeline-minor-modes t
+          doom-modeline-persp-name nil
+          doom-modeline-buffer-file-name-style 'truncate-except-project
+          doom-modeline-icon t)
+    :custom-face
+    (mode-line ((t (:height 0.85))))
+    (mode-line-inactive ((t (:height 0.85)))))
+#+end_src
+
+** Command completion
+
+*** Ivy / Counsel
+
+*Disabled in favor of [[https://github.com/minad/vertico][vertico]]*
+
+Ivy is a generic completion framework which uses the minibuffer.
+[[https://github.com/abo-abo/swiper][ivy GitHub page]]
+
+#+begin_src emacs-lisp :tangle no
+  (use-package ivy
+    :diminish t
+    :bind
+    <<ivy-binds>>
+    :config
+    <<ivy-config>>
+    )
+#+end_src
+
+Ivy config
+
+#+name: ivy-config
+#+begin_src emacs-lisp :tangle no
+    (ivy-mode t)
+    (setq ivy-initial-inputs-alist nil
+          ivy-use-virtual-buffers nil)
+    (define-key read-expression-map (kbd "C-r") 'counsel-expression-history)
+#+end_src
+
+Ivy keybindings
+
+#+name: ivy-binds
+#+begin_src emacs-lisp :tangle no
+  ("C-x s" . swiper)
+  ("C-x C-r" . ivy-resume)
+#+end_src
+
+Counsel enhances emacs commands with ivy.
+[[https://github.com/abo-abo/swiper][counsel GitHub page]]
+
+#+begin_src emacs-lisp :tangle no
+  (use-package counsel
+    :bind
+    ("M-x" . counsel-M-x)
+    ("C-x C-m" . counsel-M-x)
+    ("C-x C-f" . counsel-find-file)
+    ("C-x c k" . counsel-yank-pop))
+#+end_src
+
+Company provides completion in the main buffer.
+[[https://company-mode.github.io/][company website]]
+
+#+begin_src emacs-lisp :tangle no
+  (use-package company
+    :diminish t
+    :hook
+    (after-init . global-company-mode))
+#+end_src
+
+Hydra allows you to group commands behind a custom prefix.
+[[https://github.com/abo-abo/hydra][hydra GitHub page]]
+
+#+begin_src emacs-lisp :tangle no
+  (use-package ivy-hydra)
+#+end_src
+
+=major-mode-hydra= binds a single key to open a context sensitive hydra based on the current major mode. Hydras can be defined in =use-package= definitions via the =:mode-hydra= integration.
+
+#+begin_src emacs-lisp :tangle no
+  (use-package major-mode-hydra
+    :bind
+    ("C-M-SPC" . major-mode-hydra)
+    :config
+    (major-mode-hydra-define org-mode
+                             ()
+                             ("Tools"
+                              (("l" org-lint "lint")))))
+#+end_src
+
+*** Vertico / Corfu
+
+[[https://github.com/minad/vertico][vertico]] is a minimalistic completion UI based on the default completion system integrated in emacs.
+
+#+begin_src emacs-lisp
+  (use-package vertico
+    :custom
+    (vertico-cycle t)
+    :init
+    (vertico-mode))
+#+end_src
+
+[[https://github.com/minad/marginalia][marginalia]] adds extra information to the minibuffer completions.
+
+#+begin_src emacs-lisp
+  (use-package marginalia
+    :after vertico
+    :custom
+    (marginalia-annotaters '(marginalia-annotaters-heavy marginalia-annotaters-light nil))
+    :init
+    (marginalia-mode))
+#+end_src
+
+[[https://github.com/minad/consult][consult]] is an alternative to counsel for ivy, but for vertico.
+
+#+begin_src emacs-lisp
+  (use-package consult
+    :general
+    ("C-s" 'consult-line)
+    ("C-x c k" 'consult-yank-pop)
+    :config
+    (setq consult-project-function (lambda ()
+                                     (when (fboundp 'projectile-project-root)
+                                       (projectile-project-root)))))
+#+end_src
+
+[[https://github.com/minad/corfu][corfu]] enhances the completion at point function popups
+
+#+begin_src emacs-lisp
+      (use-package corfu
+        ;; :bind
+        ;; ("TAB" . corfu-insert)
+        :custom
+        (corfu-cycle t)
+        (corfu-auto t)
+        :init
+        (global-corfu-mode))
+#+end_src
+
+[[https://github.com/oantolin/orderless][orderless]] is a flexible completion style that allows flexible matching using literal strings, regex and more.
+
+#+begin_src emacs-lisp
+  (use-package orderless
+    :init
+    (setq completion-styles '(orderless partial-completion basic)
+          ;; completion-category-defaults nil
+          completion-category-overrides '((file (styles basic partial-completion)))))
+#+end_src
+
+Use =corfu= with =dabbrev= (included with emacs)
+
+#+begin_src emacs-lisp
+  (use-package dabbrev
+    :ensure nil
+    :general
+    ("M-/" 'dabbrev-completion)
+    ("C-M-/" 'dabbrev-expand)
+    :custom
+    (dabbrev-ignored-buffer-regexps '("\\.\\(?:pdf\\|jpe?g\\|png\\)\\'")))
+#+end_src
+
+*** Misc
+which-key shows suggestions when you type an incomplete command and wait for a bit (1 second by default).
+[[https://github.com/justbur/emacs-which-key][which-key GitHub page]]
+
+#+begin_src emacs-lisp
+  (use-package which-key
+    :defer 0
+    :diminish which-key-mode
+    :config
+    (which-key-mode)
+    (setq which-key-idle-delay 1))
+#+end_src
+
+
+*** Possible candidates
+
+The following packages look interesting, and are worth investigating further:
+
+- [[https://github.com/abo-abo/avy][avy]]: quick text navigation
+- [[https://github.com/abo-abo/ace-window][ace-window]]: window navigation
+- [[https://github.com/magnars/expang-region.el][expand-region]]: context aware text selection
+- [[https://github.com/minad/cape][cape]]: A set of completion at point extensions
+
+** File tree
+
+[[https://github.com/Alexander-Miller/treemacs][treemacs]] is Emacs' equivalent of neovim's NeoTree or vim's NERDTree.
+
+#+begin_src emacs-lisp
+  (use-package treemacs
+    :defer t
+    :init
+    (with-eval-after-load 'winum
+      (define-key winum-keymap (kbd "M-0") #'treemacs-select-window))
+    :general
+    ("M-0" 'treemacs-select-window)
+    (:prefix "C-c"
+     "t 1"   'treemacs-delete-other-windows
+     "t t"   'treemacs
+     "t d"   'treemacs-select-directory
+     "t B"   'treemacs-bookmark
+     "t C-t" 'treemacs-find-file
+     "t M-t" 'treemacs-find-tag)
+    :config
+    (progn
+      (treemacs-project-follow-mode)))
+#+end_src
+
+Enable integration with =projectile=
+
+#+begin_src emacs-lisp
+  (use-package treemacs-projectile
+    :after (treemacs projectile))
+#+end_src
+
+Add icons
+
+#+begin_src emacs-lisp
+  (use-package treemacs-icons-dired
+    :hook (dired-mode . treemacs-icons-dired-enable-once))
+#+end_src
+
+Enable =magit= integration
+
+#+begin_src emacs-lisp
+  (use-package treemacs-magit
+    :after (treemacs magit))
+#+end_src
+
+* Programming
+
+** General settings
+
+Auto balance parenthesese.
+
+#+begin_src emacs-lisp
+  (use-package smartparens
+    :ghook 'prog-mode-hook)
+#+end_src
+
+Rainbow delimiters FTW!
+
+#+begin_src emacs-lisp
+  (use-package rainbow-delimiters
+    :ghook 'prog-mode-hook)
+#+END_src
+
+Paredit is a minor mode for editing parentheses
+
+#+begin_src emacs-lisp
+  (use-package paredit
+    :hook (emacs-lisp-mode . paredit-mode)
+    (racket-mode . paredit-mode)
+    (racket-repl-mode . paredit-mode)
+    :general
+    (:keymaps 'paredit-mode-map
+              "{" 'paredit-open-curly
+              "}" 'paredit-close-curly
+              "M-[" 'paredit-wrap-square
+              "M-{" 'paredit-wrap-curly))
+#+end_src
+
+** Project management
+
+Projectile works great to manage projects. It includes fuzzy search and supports jumping between files (e.g. .h <-> .cpp).
+[[https://github.com/bbatsov/projectile][projectile GitHub page]]
+
+#+begin_src emacs-lisp
+  (use-package projectile
+    :diminish projectile-mode
+    :config
+    ;; (setq projectile-completion-system 'ivy)
+    (projectile-mode)
+    :general
+    (:prefix "C-c"
+     "p" '(:keymap projectile-command-map))
+    :init
+    (setq projectile-switch-project-action #'projectile-dired
+          projectile-project-search-path '("~/workspace" "~/workspace/horus" "~/workspace/horus/web" "~/workspace/horus/horus-vr")))
+#+end_src
+
+There is also an integration with counsel.
+
+#+begin_src emacs-lisp :tangle no
+  (use-package counsel-projectile
+    :after projectile
+    :general
+    ("C-SPC" 'counsel-projectile-switch-project)
+    :config
+    (counsel-projectile-mode))
+#+end_src
+
+Enable [[https://github.com/BurntSushi/ripgrep][ripgrep]] support
+
+#+begin_src emacs-lisp
+  (use-package rg
+    :after projectile
+    :config
+    (rg-enable-default-bindings))
+#+end_src
+
+** Git
+
+Magit. Obviously.
+[[https://magit.vc][magit website]]
+
+#+begin_src emacs-lisp
+  (use-package magit
+    :config
+    ;; (setq magit-completing-read-function 'ivy-completing-read)
+    :general
+    (:prefix my/leader
+     "g s" 'magit-status
+     "g x" 'magit-checkout
+     "g c" 'magit-commit
+     "g p" 'magit-push
+     "g u" 'magit-pull
+     "g e" 'magit-ediff-resolve
+     "g r" 'magit-rebase-interactive
+     "g i" 'magit-init))
+#+end_src
+
+transient can be used to create command dispatchers. Magit uses it to easily add options to git commands, and it displays a nice popup with the possible flags and commands.
+[[https://magit.vc/manual/transient/][transient manual]]
+
+#+begin_src emacs-lisp
+  (use-package transient)
+#+end_src
+
+Visualise git changes in the gutter, next to the line numbers
+[[https://github.com/emacsorphanage/git-gutter][git-gutter GitHub page]]
+
+#+begin_src emacs-lisp
+  (use-package git-gutter
+    :diminish t
+    :ghook
+    'prog-mode-hook
+    'org-mode-hook
+    :config
+    (setq git-gutter:update-interval 0.02))
+
+  (use-package git-gutter-fringe
+    :config
+    (define-fringe-bitmap 'git-gutter-fr:added [224] nil nil '(center repeated))
+    (define-fringe-bitmap 'git-gutter-fr:modified [224] nil nil '(center repeated))
+    (define-fringe-bitmap 'git-gutter-fr:deleted [128 192 224 240] nil nil 'bottom))
+#+end_src
+
+** Syntax checking and highlighting
+
+*** Flycheck
+
+=Flycheck= is a general purpose syntax highlighting framework that provides hooks for other packages and an improvement of the builtin =flymake=.
+[[https://www.flycheck.org][website]]
+
+#+begin_src emacs-lisp
+  (use-package flycheck
+    :diminish t
+    :init
+    (global-flycheck-mode))
+#+end_src
+
+*** Tree-sitter
+
+[[https://tree-sitter.github.io/][tree-sitter]] is a new development in parsing and syntax highlighting. There is [[https://www.reddit.com/r/emacs/comments/pxpq8d/rfc_emacs_treesitter_integration/][an effort underway]] to get it into Emacs core, but for now we're using the [[https://emacs-tree-sitter.github.io/][emacs-tree-sitter]] package.
+
+#+begin_src emacs-lisp
+  (use-package tree-sitter
+    :config
+    (global-tree-sitter-mode)
+    :ghook
+    ('tree-sitter-after-on-hook #'tree-sitter-hl-mode))
+#+end_src
+
+[[https://github.com/emacs-tree-sitter/tree-sitter-langs][tree-sitter-langs]] provides =tree-sitter= support for a bunch of languages.
+
+#+begin_src emacs-lisp
+  (use-package tree-sitter-langs
+    :after tree-sitter)
+#+end_src
+
+*** LSP
+
+[[https://emacs-lsp.github.io/lsp-mode][lsp-mode]] adds Language Server Protocol support to emacs.
+
+#+begin_src emacs-lisp
+    (use-package lsp-mode
+      :init
+      (setq lsp-keymap-prefix "C-c l"
+            lsp-use-plists nil)
+      (defun eb/lsp-mode-setup-completion ()
+        (setf (alist-get 'styles (alist-get 'lsp-capf completion-category-defaults))
+              '(orderless)))
+      :hook ((conf-toml-mode
+              python-mode
+              sh-mode) . lsp-deferred)
+      (lsp-mode . lsp-enable-which-key-integration)
+      (lsp-completion-mode . eb/lsp-mode-setup-completion)
+      :commands
+      (lsp lsp-deferred)
+      :custom
+      (lsp-completion-provider :none) ;; I'm using corfu
+      :config
+      (setq lsp-typescript-surveys-enabled nil
+            lsp-completion-enable t
+            lsp-enable-suggest-server-download nil))
+#+end_src
+
+[[https://emacs-lsp.github.io/lsp-ui/][lsp-ui]] provides higher level UI elements for =lsp-mode=, like code lenses and flycheck support.
+
+#+begin_src emacs-lisp
+  (use-package lsp-ui
+    :ghook 'lsp-mode-hook
+    :config
+    (setq lsp-ui-doc-enable t
+          lsp-ui-peek-enable t
+          lsp-ui-sideline-enable t
+          lsp-ui-imenu-enable t)
+    :custom
+    (lsp-ui-doc-position 'bottom))
+#+end_src
+
+[[https://github.com/emacs-lsp/lsp-ivy][lsp-ivy]] integrates =ivy= into =lsp-mode=
+
+#+begin_src emacs-lisp :tangle no
+  (use-package lsp-ivy
+    :commands lsp-ivy-workspace-symbol)
+#+end_src
+
+[[https://github.com/gagbo/consult-lsp][consult-lsp]] integrates =consult= into =lsp-mode=
+
+#+begin_src emacs-lisp
+  (use-package consult-lsp)
+#+end_src
+
+[[https://github.com/emacs-lsp/lsp-treemacs][lsp-treemacs]] provides an integration between =lsp-mode= and [[https://github.com/Alexander-Miller/treemacs][treemacs]].
+
+#+begin_src emacs-lisp
+  (use-package lsp-treemacs
+    :commands lsp-treemacs-errors-list)
+#+end_src
+
+*** DAP
+
+[[http://emacs-lsp.github.io/dap-mode][dap-mode]] provides debugging facilities using the [[https://microsoft.github.io/debug-adapter-protocol/][Debug Adapter Protocol]]
+
+#+begin_src emacs-lisp
+  (use-package dap-mode
+    :defer t
+    :custom
+    (dap-auto-configure-mode t)
+    (dap-auto-configure-features '(sessions locals breakpoints expressions tooltip))
+    :config
+    (require 'dap-lldb)
+    (require 'dap-cpptools)
+    (setq dap-lldb-debugged-program-function (lambda () (read-file-name "Select program executable to debug")))
+
+    (dap-register-debug-template "C++ LLDB"
+                                 (list :type "lldb-vscode"
+                                       :dap-server-path (executable-find "lldb-vscode")
+                                       :cwd nil
+                                       :args nil
+                                       :request "launch"
+                                       :program nil))
+    (defun dap-debug-create-or-edit-json-template ()
+      "Edit C++ debugging configuration or create and edit if none exists"
+      (interactive)
+      (let ((filename (concat (lsp-workspace-root) "/launch.json"))
+            (default (concat user-emacs-directory "/default-launch.json")))
+        (unless (file-exists-p filename)
+          (copy-file default filename))
+        (find-file-existing filename))))
+#+end_src
+
+*** Snippets
+
+Snippets are predefined pieces of code that can be inserted and filled in. [[https://github.com/joaotavora/yasnippet][YASnippet]] uses syntax inspired by TextMate is the most popular, for good reason.
+
+#+begin_src emacs-lisp
+  (use-package yasnippet
+    :diminish t
+    :general
+    (:keymaps 'yas-minor-mode-map
+              "<tab>" nil
+              "TAB" nil
+              "<C-tab>" 'yas-expand)
+    :config
+    (add-to-list 'yas-snippet-dirs my/snippets-dir)
+    (yas-global-mode)
+    :diminish yas-minor-mode)
+
+  (use-package yasnippet-snippets)
+#+end_src
+
+** Languages
+
+*** JavaScript / TypeScript
+
+Indent 2 spaces
+
+#+begin_src emacs-lisp
+    (setq-default js-indent-level 2
+                  typescript-indent-level 2)
+#+end_src
+
+[[https://github.com/mooz/js2-mode/][js2-mode]] improves a lot on the builtin =js-mode=
+
+#+begin_src emacs-lisp
+  (use-package js2-mode
+    :mode
+    ("\\.jsx?\\'" . js2-jsx-mode)
+    :hook
+    (js2-mode . lsp-deferred)
+    (js2-jsx-mode . lsp-deferred))
+#+end_src
+
+Prettier has my preference for formatting JavaScript and TypeScript
+
+#+begin_src emacs-lisp
+  (use-package prettier-js
+    :config
+    (setq prettier-js-args '("--single-quote" "true"))
+    :hook
+    (js2-mode . typescript-mode))
+#+end_src
+
+TypeScript stuff
+
+#+begin_src emacs-lisp
+  (use-package typescript-mode
+    :mode
+    ("\\.tsx?\\'" . typescript-mode)
+    :hook (typescript-mode . lsp-deferred))
+#+end_src
+
+Prefer local packages from =node_modules= to global ones
+
+#+begin_src emacs-lisp
+  (use-package add-node-modules-path)
+#+end_src
+
+*** Web mode
+
+[[https://web-mode.org/][web-mode]] handles HTML/CSS and JavaScript
+
+#+begin_src emacs-lisp
+  (use-package web-mode
+    :config
+    (setq web-mode-markup-indent-offset 2
+          web-mode-css-indent-offset 2
+          web-mode-code-indent-offset 2
+          web-mode-enable-auto-pairing t
+          web-mode-enable-css-colorization t
+          web-mode-enable-current-element-highlight t
+          web-mode-enable-current-column-highlight t)
+
+    (add-to-list 'web-mode-engines-alist '(("elixir" . "\\.html.heex\\'")))
+    :hook
+    ((html-mode css-mode web-mode) . lsp-deferred))
+#+end_src
+
+*** Markdown
+
+[[https://jblevins.org/projects/markdown-mode/][markdown-mode]] adds support for Markdown editing. =gfm-mode= supports GitHub Flavoured Markdown.
+
+#+begin_src emacs-lisp
+  (use-package markdown-mode
+    :mode
+    (("README\\.md\\'" . gfm-mode)
+     ("\\.md\\'" . markdown-mode)
+     ("\\.markdown\\'" . markdown-mode))
+    :init
+    (setq markdown-command "multimarkdown")
+    :hook
+    (markdown-mode . display-fill-column-indicator-mode)
+    (markdown-mode . lsp-deferred))
+#+end_src
+
+*** Elixir
+
+Add support for Elixir with [[https://github.com/elixir-editors/emacs-elixir][elixir-mode]]. The =elixir-format= hook sets up the correct formatter configuration when in a =projectile= project.
+
+#+begin_src emacs-lisp
+  (use-package elixir-mode
+    :hook ((elixir-format . (lambda ()
+                              (if (projectile-project-p)
+                                  (setq elixir-format-arguments
+                                        (list "--dot-formatter"
+                                              (concat (locate-dominating-file buffer-file-name ".formatter.exs") ".formatter.exs")))
+                                (setq elixir-format-arguments nil))))
+           (elixir-mode . (lambda () (add-hook 'before-save-hook 'elixir-format nil t)))
+           (elixir-mode . lsp-deferred))
+    :config
+    (setq lsp-elixir-server-command '("elixir-ls"))
+    (add-to-list 'auto-mode-alist '("\\.[hl]eex\\'" . elixir-mode)))
+#+end_src
+
+Add a [[https://github.com/ayrat555/mix.el][mix]] minor mode to call =mix= tasks from emacs.
+
+#+begin_src emacs-lisp
+  (use-package mix
+    :hook
+    (elixir-mode . mix-minor-mode))
+#+end_src
+
+*** Rust
+
+Rust support with [[https://github.com/rust-lang/rust-mode][rust-mode]].
+
+#+begin_src emacs-lisp
+  (use-package rust-mode
+    :hook
+    (rust-mode . lsp-deferred)
+    (before-save . lsp-format-buffer)
+    (before-save . lsp-organize-imports)
+    :init
+    (setq lsp-rust-analyzer-cargo-watch-command "clippy"
+          lsp-rust-analyzer-server-display-inlay-hints t
+          lsp-rust-analyzer-binding-mode-hints t
+          lsp-rust-analyzer-display-lifetime-elision-hints-enable "always"))
+#+end_src
+
+Add [[https://github.com/kwrooijen/cargo.el][cargo]] support
+
+#+begin_src emacs-lisp
+  (use-package cargo
+    :hook
+    (rust-mode . cargo-minor-mode))
+#+end_src
+
+Flycheck support for Rust with [[https://github.com/flycheck/flycheck-rust][flycheck-rust]]
+
+#+begin_src emacs-lisp
+  (use-package flycheck-rust
+    :hook
+    (flycheck-mode . flycheck-rust-setup))
+#+end_src
+
+*** TOML
+
+Support for TOML files with [[https://github.com/dryman/toml-mode.el][toml-mode]]
+
+#+begin_src emacs-lisp :tangle no
+  (use-package toml-mode
+    :mode ("\\.toml\\'" . conf-toml-mode))
+#+end_src
+
+*** Docker
+
+Add docker support with [[https://github.com/spotify/dockerfile-mode][dockerfile-mode]]
+
+#+begin_src emacs-lisp
+    (use-package dockerfile-mode
+      :hook (dockerfile-mode . lsp-deferred))
+#+end_src
+
+*** Bitbake / Yocto
+
+#+begin_src emacs-lisp :tangle no
+    (use-package bitbake-modes
+      :straight (:type git :repo "https://bitbucket.org/olanilsson/bitbake-modes.git"))
+#+end_src
+
+*** INI
+
+=ini-mode= provides highlighting for ini files
+
+#+begin_src emacs-lisp
+  (use-package ini-mode)
+#+end_src
+
+*** JSON
+
+[[https://github.com/joshwnj/json-mode][json-mode]] extends the builtin =js-mode= with better syntax highlighting for JSON and adds some editing keybindings
+
+#+begin_src emacs-lisp
+    (use-package json-mode
+      :hook (json-mode . lsp-deferred))
+#+end_src
+
+*** CMake
+
+Add [[https://melpa.org/#/cmake-mode][cmake-mode]]
+
+#+begin_src emacs-lisp
+    (use-package cmake-mode
+      :hook (cmake-mode . lsp-deferred))
+#+end_src
+
+*** YAML
+
+Use [[https://github.com/yoshiki/yaml-mode][yaml-mode]] to handle YAML files
+
+#+begin_src emacs-lisp
+    (use-package yaml-mode
+      :hook (yaml-mode . lsp-deferred))
+#+end_src
+*** C/C++
+
+Enable clangd LSP for C and C++
+
+#+begin_src emacs-lisp
+  (use-package cc-mode
+    :ensure nil
+    :hook
+    (c-mode . lsp-deferred)
+    (c++-mode . lsp-deferred))
+#+end_src
+
+Enable and configure =auto-insert-mode= for Horus projects
+
+#+begin_src emacs-lisp
+  (defconst my/generate-cpp-file-executable
+    "~/workspace/horus/development/code-generation/generate-cpp-file.py"
+    "Python program to generate a C++ boilerplate")
+
+  (when (file-executable-p my/generate-cpp-file-executable)
+    (define-auto-insert
+      "\\.[ch]pp\\'"
+      (lambda nil (call-process my/generate-cpp-file-executable nil t nil buffer-file-name))))
+
+
+  (auto-insert-mode)
+#+end_src
+
+*** Meson
+
+[[https://mesonbuild.com][meson]] is a build system designed to be as fast and as user-friendly as possible.
+
+#+begin_src emacs-lisp
+  (use-package meson-mode)
+#+end_src
+*** nix
+
+Add [[https://github.com/NixOS/nix-mode][nix-mode]]
+
+#+begin_src emacs-lisp
+  (use-package nix-mode
+    :mode "\\.nix\\'"
+    :hook (nix-mode . lsp-deferred))
+#+end_src
+
+*** Common Lisp
+
+Common Lisp does not use =lsp-mode=, but has it's own environment: [[https://github.com/slime/slime][SLIME]] or Superior Lisp Interaction Mode for Emacs.
+
+#+begin_src emacs-lisp
+  (use-package slime
+    :init
+    (setq slime-lisp-implementations
+          '((sbcl ("sbcl" "--load ~/.quicklisp/setup.lisp") :coding-system utf-8-unix))
+          slime-default-lisp 'sbcl)
+    :config
+    (slime-setup '(slime-fancy slime-quicklisp slime-asdf))
+    :mode
+    (("\\.cl\\'" . lisp-mode))
+    :hook
+    (lisp-mode . (lambda () (slime-mode t)))
+    (inferior-lisp-mode . (lambda () (inferior-slime-mode t))))
+#+end_src
+*** Clojure
+
+Similar to =lisp=, there is [[https://github.com/clojure-emacs/cider][CIDER]] (Clojure Interactive Development Environment that Rocks) for Clojure(Script)
+
+#+begin_src emacs-lisp
+  (use-package cider)
+#+end_src
+*** Terraform
+
+[[https://github.com/emacsorphanage/terraform-mode][terraform-mode]] is a major mode for Terraform files
+
+#+begin_src emacs-lisp
+  (use-package terraform-mode
+    :hook (terraform-mode . lsp-deferred))
+#+end_src
+
+*** Fish
+
+[[https://github.com/wwwjfy/emacs-fish][fish-mode]] provides a major mode for fish shell scripts
+
+#+begin_src emacs-lisp
+  (use-package fish-mode
+    :init
+    (setq fish-enable-auto-indent t))
+#+end_src
+
+*** Zig
+
+[[https://github.com/ziglang/zig-mode][zig-mode]] provides a major mode for the [[https://ziglang.org][zig programming language]]
+
+#+begin_src emacs-lisp
+  (use-package zig-mode
+    :hook (zig-mode . lsp-deferred))
+#+end_src
+
+*** Yuck
+
+#+begin_src emacs-lisp
+  (use-package yuck-mode)
+#+end_src
+
+*** Racket
+
+#+begin_src emacs-lisp
+  (use-package racket-mode
+    :hook (racket-mode . lsp-deferred))
+#+end_src
+
+*** Ruby
+
+Let =ruby-mode= handle Ruby files
+
+#+begin_src emacs-lisp
+  (use-package ruby-mode
+    :ensure nil
+    :hook (ruby-mode . lsp-deferred))
+#+end_src
+
+*** MapServer
+
+Add highlighting for MapServer .map files
+
+#+begin_src emacs-lisp :tangle no
+  (use-package mapserver-mode
+    :straight (:type git :host github :repo "AxxL/mapserver-emacs-mode")
+    :mode ("\\.map\\'" . mapserver-mode))
+#+end_src
+
+*** Go
+
+It's better than nothing.
+
+#+begin_src emacs-lisp
+  (use-package go-mode
+    :hook (go-mode . lsp-deferred))
+#+end_src
+
+* Org
+
+** Main org setup
+
+[[https://orgmode.org][org-mode]] configuration
+
+#+begin_src emacs-lisp
+  (use-package org
+    :general
+    <<org-binds>>
+    :custom
+    <<org-customisations>>
+    :hook
+    <<org-hooks>>
+    :config
+    <<org-config>>)
+#+end_src
+
+Some keybindings for often used functions
+
+#+name: org-binds
+#+begin_src emacs-lisp :tangle no
+  (:prefix my/leader
+    "r" 'org-capture
+    "a" 'org-agenda
+    "s" 'org-store-link
+    "L" 'org-store-link-global
+    "O" 'org-open-at-point-global)
+#+end_src
+
+Customisations
+
+#+name: org-customisations
+#+begin_src emacs-lisp :tangle no
+  (org-directory "~/org")
+  (org-log-done t)
+  (org-indent-indentation-per-level 2)
+  (org-startup-indented t)
+  (org-log-into-drawer t)
+  (org-default-notes-file (expand-file-name "notes.org" org-directory))
+  (org-return-follows-link t)
+  (org-pretty-entities t)
+  (org-hide-emphasis-markers t)
+  (org-startup-with-inline-images t)
+  (org-startup-with-latex-previews t)
+  (org-image-actual-width '(300))
+#+end_src
+
+Hooks
+
+#+name: org-hooks
+#+begin_src emacs-lisp :tangle no
+  ((org-mode . org-indent-mode)
+   (org-mode . turn-on-visual-line-mode)
+   (org-mode . variable-pitch-mode)
+   (org-mode-indent . (lambda () (diminish 'org-indent-mode)))
+   (org-agenda-mode . (lambda () (hl-line-mode 1))))
+#+end_src
+
+Configuration
+
+#+name: org-config
+#+begin_src emacs-lisp :tangle no
+  (add-to-list 'auto-mode-alist '("\\.org\\'" . org-mode))
+  (dolist (face '((org-level-1 . 1.2)
+                  (org-level-2 . 1.1)
+                  (org-level-3 . 1.05)
+                  (org-level-4 . 1.0)
+                  (org-level-5 . 1.0)
+                  (org-level-6 . 1.0)
+                  (org-level-7 . 1.0)
+                  (org-level-8 . 1.0)))
+    (set-face-attribute (car face) nil :family my/variable-width-font :weight 'medium :height (cdr face)))
+  (set-face-attribute 'org-document-title nil :family my/variable-width-font :weight 'bold :height 1.3)
+  (set-face-attribute 'org-block nil :foreground nil :inherit 'fixed-pitch)
+  (set-face-attribute 'org-table nil :inherit 'fixed-pitch)
+  (set-face-attribute 'org-formula nil :inherit 'fixed-pitch)
+  (set-face-attribute 'org-code nil :inherit '(shadow fixed-pitch))
+  (set-face-attribute 'org-verbatim nil :inherit '(shadow fixed-pitch))
+  (set-face-attribute 'org-special-keyword nil :inherit '(font-lock-comment-face fixed-pitch))
+  (set-face-attribute 'org-checkbox nil :inherit 'fixed-pitch)
+#+end_src
+
+=org-capture= allows creating and saving quick notes, links and TODOs
+
+#+begin_src emacs-lisp
+  (use-package org-capture
+    ;; :straight org
+    :ensure org
+    :after org
+    :config
+    (setq org-capture-templates
+          '(("t" "Todo" entry (file+headline "gtd.org")
+             "* TODO %?\n  %i\n  %a")
+            ("n" "Note" entry (file+olp+datetree "notes.org")
+             "* %?\nEntered on %U\n  %i\n  %a")
+            ("N" "Note (work)" entry (file+olp+datetree "work/notes.org")
+             "* %?\nEntered on %U\n  %i\n  %a")
+            ("c" "org-protocol-capture" entry (file+headline "inbox.org" "Links")
+             "* %^{Title}\n\n[[%:link][%:description]]\n\n %i"
+             :immediate-finish t))))
+#+end_src
+
+=org-datetree= allows you to organise captures by date. It is basically a set of headings representing the date, with the first level for the year, the second level for the month and the third for the day.
+
+#+begin_src emacs-lisp
+  (use-package org-datetree
+    ;; :straight org
+    :ensure org
+    :after org)
+#+end_src
+
+=org-protocol= can be used to send data to emacs using =org-protocol://= URLs.
+
+#+begin_src emacs-lisp
+  (use-package org-protocol
+    ;; :straight org
+    :ensure org
+    :after org
+    :config
+    (setq org-protocol-default-template-key "c"))
+#+end_src
+
+** org-roam
+
+[[https://www.orgroam.com][org-roam]] helps with non-hierarchical note-taking. It uses the [[https://en.wikipedia.org/wiki/Zettelkasten][zettelkasten method]] to capture and organise notes and ideas.
+
+#+begin_src emacs-lisp
+  (use-package org-roam
+    ;; :after org
+    :custom
+    (org-roam-directory "~/org-roam")
+    (org-roam-completion-everywhere t)
+    <<org-roam-templates>>
+    :config
+    (require 'org-roam-dailies)
+    (org-roam-db-autosync-mode)
+    :general
+    (:prefix my/leader
+      :keymaps 'global
+      "n f" 'org-roam-node-find
+      "n r" 'org-roam-node-random
+      "n i" 'org-roam-node-insert
+      "n l" 'org-roam-buffer-toggle
+      :keymaps 'org-mode-map
+      "n o" 'org-id-get-create
+      "n t" 'org-roam-tag-add
+      "n a" 'org-roam-alias-add
+      "n l" 'org-roam-buffer-toggle)
+    ("C-M-i" 'completion-at-point
+     :keymaps 'org-roam-dailies-map
+     "Y" 'org-roam-dailies-capture-yesterday
+     "T" 'org-roam-dailies-capture-tomorrow)
+
+    (:prefix my/leader "n d" '(:keymap org-roam-dailies-map)))
+#+end_src
+
+Org roam capture templates
+
+#+name: org-roam-templates
+#+begin_src emacs-lisp :tangle no
+  (org-roam-capture-templates '(("d" "default" plain
+                                 "%?"
+                                 :if-new (file+head "%<%Y%m%d%H%M%S>-${slug}.org" "#+title: ${title}\n#+date: %U\n")
+                                 :unnarrowed t)
+                                ("w" "work note" plain
+                                 "%?"
+                                 :if-new (file+head "%<%Y%m%d%H%M%S>-${slug}.org" "#+title: ${title}\n#+filetags: :work:\n")
+                                 :unnarrowed t)
+                                ("p" "project" plain
+                                 "* Goals\n\n%?\n\n* Tasks\n\n** TODO Add initial tasks\n\n* Dates\n\n"
+                                 :if-new (file+head "%<%Y%m%d%H%M%S>-${slug}.org" "#+title: ${title}\n#+filetags: :project:\n")
+                                 :unnarrowed t)))
+#+end_src
+
+[[https://github.com/org-roam/org-roam-ui][org-roam-ui]] provides a frontend to explore and interact with =org-roam= notes. It can be started with =M-x org-roam-ui-mode RET=, and is then available on [[http://127.0.0.1:35901/]]. Updates are sent real-time through a WebSocket.
+The settings provided here are also the defaults, set any to =nil= to disable.
+
+#+begin_src emacs-lisp
+  (use-package org-roam-ui
+    :after org-roam
+    :config
+    (setq org-roam-ui-sync-theme t
+          org-roam-ui-follow t
+          org-roam-ui-update-on-save t
+          org-roam-ui-open-on-start t))
+#+end_src
+
+* Misc
+
+** direnv
+
+[[https://github.com/purcell/envrc][envrc]] adds support for [[https://direnv.net][direnv]] to emacs. =envrc= works on a per-buffer basis, so when you open multiple projects the environments don't pollute eachother. NOTE: this should be loaded last.
+
+#+name: envrc-init
+#+begin_src emacs-lisp :tangle no
+  (use-package envrc
+    :init
+    (envrc-global-mode)
+    :general
+    (:prefix my/leader "e" '(:keymap envrc-command-map)))
+#+end_src
+
+** Writing
+
+Enable flyspell
+
+#+begin_src emacs-lisp
+  (use-package flyspell
+    :ensure nil
+    :init
+    (setq ispell-list-command "--list")
+    :hook
+    (text-mode . flyspell-mode))
+
+  (use-package flyspell-correct
+    :after flyspell
+    :general
+
+    (:keymaps 'flyspell-mode-map
+              "C-;" 'flyspell-correct-wrapper))
+#+end_src
+
+Use ivy for flyspell suggestions. Use =M-o= to switch to the actions (e.g. saving a word to your dictionary).
+
+#+begin_src emacs-lisp :tangle no
+  (use-package flyspell-correct-ivy
+    :after flyspell-correct)
+#+end_src
+
+** Load local init file
+
+If =local-init.el= exists, load it.
+
+#+begin_src emacs-lisp
+  (when (file-readable-p my/local-init-file)
+    (load my/local-init-file))
+#+end_src
+
+#+begin_comment
+DO NOT ADD ANYTHING BELOW THIS
+#+end_comment
+
+#+begin_src emacs-lisp :exports none
+  <<envrc-init>>
+#+end_src
diff --git a/home-manager/modules/emacs/default.nix b/home-manager/modules/emacs/default.nix
index 2a30d76..20a97ba 100644
--- a/home-manager/modules/emacs/default.nix
+++ b/home-manager/modules/emacs/default.nix
@@ -6,6 +6,28 @@
 with lib; let
   cfg = config.eboskma.programs.emacs;
 
+  emacsWithPackages = pkgs.emacsWithPackagesFromUsePackage {
+    # config = ./config.org;
+    config =
+      let
+        tangledOrgConfig = pkgs.runCommand "tangled-emacs-config" { } ''
+          cp ${./config.org} ./config.org
+          ${cfg.package}/bin/emacs --batch -Q ./config.org -f org-babel-tangle
+          cp init.el $out
+        '';
+      in
+      builtins.readFile tangledOrgConfig;
+
+    defaultInitFile = true;
+    package = cfg.package;
+    alwaysEnsure = true;
+    alwaysTangle = true;
+    extraEmacsPackages = epkgs: [
+      epkgs.emacsql
+      epkgs.emacsql-sqlite
+    ];
+  };
+
   orgProtocolDesktop = pkgs.makeDesktopItem {
     name = "org-protocol";
     desktopName = "Emacs Org Protocol Handler";
@@ -13,7 +35,8 @@ with lib; let
     categories = [ "Development" "TextEditor" ];
     keywords = [ "org-protocol" ];
     type = "Application";
-    exec = "${cfg.package}/bin/emacsclient -- %u";
+    # exec = "${cfg.package}/bin/emacsclient -- %u";
+    exec = "${emacsWithPackages}/bin/emacsclient -- %u";
     terminal = false;
     mimeTypes = [ "x-scheme-handler/org-protocol" ];
     startupWMClass = "Emacs";
@@ -40,12 +63,14 @@ in
   config = mkIf cfg.enable {
     programs.emacs = {
       enable = true;
-      package = cfg.package;
+      # package = cfg.package;
+      package = emacsWithPackages;
     };
 
     services.emacs = mkIf cfg.daemon {
       enable = true;
-      package = cfg.package;
+      # package = cfg.package;
+      package = emacsWithPackages;
       client.enable = true;
       socketActivation.enable = true;
     };
@@ -58,7 +83,8 @@ in
       nodePackages.bash-language-server
       aspell
       nil
-      python310
+      python3
+      lldb
     ] ++
     (with aspellDicts; [ en en-computers en-science fy nl ]);
 
diff --git a/users/erwin/home.nix b/users/erwin/home.nix
index 7687a82..279b30e 100644
--- a/users/erwin/home.nix
+++ b/users/erwin/home.nix
@@ -32,7 +32,8 @@ in
             dunst.enable = false;
             emacs = {
               enable = true;
-              package = with pkgs; ((emacsPackagesFor emacsPgtk).emacsWithPackages (epkgs: [ epkgs.emacsql epkgs.emacsql-sqlite ]));
+              # package = with pkgs; ((emacsPackagesFor emacsPgtk).emacsWithPackages (epkgs: [ epkgs.emacsql epkgs.emacsql-sqlite ]));
+              package = pkgs.emacsPgtk;
               daemon = true;
             };
             electron = {