some more work on emacs init.el

This commit is contained in:
Geir Okkenhaug Jerstad 2025-05-28 09:48:23 +02:00
parent 7dd753506f
commit a5d571fc75
2 changed files with 625 additions and 21 deletions

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@ -7,7 +7,15 @@
* About
My attempt at a litterate configuration for Emacs.
to tangle this file, run the following command in Emacs:
#+BEGIN_SRC emacs-lisp
(org-babel-tangle)
#+END_SRC
or keyboard shortcut `C-c C-v t` (org-babel-tangle) in Emacs.
This will generate the `~/.emacs.d/init.el` file with the configuration.
* Prep
** Copilot Authentication
To use GitHub Copilot, you need to authenticate with your GitHub account. This is done by running the following command in Emacs:
after installing the copilot package:
@ -19,6 +27,29 @@ Try to trigger the GitHub OAuth flow from within Emacs:
* Configuration
** Setup lexical binding
Here we set up lexical binding, which is a feature in Emacs Lisp that allows for more efficient variable scoping and function closures. This is recommended for performance reasons.
#+BEGIN_SRC emacs-lisp
;; enable lexical binding
(setq lexical-binding t)
#+END_SRC
** Set automatic update of packages
We set up Emacs to automatically update packages on startup. This ensures that we always have the latest versions of the packages we use.
#+BEGIN_SRC emacs-lisp
(defun geokkjer/display-startup-time ()
(message "Emacs loaded in %s with %d grabage collections."
(format "%.2f seconds"
(float-time
(time-subtract after-init-time before-init-time)))
gcs-done))
(add-hook 'emacs-startup-hook #'geokkjer/display-startup-time)
(setq gc-cons-threshold (* 50 1000 1000))
#+END_SRC
** Customize UI
Here we set up the UI to our liking. We disable the menu bar, tool bar, and scroll bar, and set the font size to 14pt.
#+BEGIN_SRC emacs-lisp
@ -67,6 +98,30 @@ Set up doom modeline, which is a nice status line for Emacs. We set it up to sho
(setq use-package-always-ensure t)
#+END_SRC
** Org Mode
Configure Org-mode for literate programming and note-taking.
#+BEGIN_SRC emacs-lisp
;; ensure org-mode is installed and up to date
(use-package org
:ensure t
:mode ("\\.org\\'" . org-mode)
:config
;; enable syntax highlighting in code blocks
(setq org-src-fontify-natively t)
;; preserve indentation in code blocks
(setq org-src-preserve-indentation t)
;; enable babel for code execution
(org-babel-do-load-languages
'org-babel-load-languages
'((emacs-lisp . t)
(shell . t)
(python . t)
(nix . t)))
;; don't ask for confirmation when evaluating code blocks
(setq org-confirm-babel-evaluate nil))
#+END_SRC
* Code Completion and ide features
** LSP Mode
Here we install lsp-mode and lsp-ui, which are the core components of the LSP (Language Server Protocol) support in Emacs. We also set up keybindings for common LSP commands.
@ -105,27 +160,7 @@ Here we install from MELPA, enable it in all prog-modes and bind keys for comple
** Language support
Here we install and configure support for various programming languages. We use the `use-package` macro to ensure that the packages are installed and configured correctly.
#+BEGIN_SRC emacs-lisp
;; install and configure javscript-mode
(use-package javscript-mode
:ensure t
:mode "\\.js\\'")
;; lsp support for javascript
(use-package lsp-javascript
:ensure t
:mode "\\.js\\'")
;; install and configure gleam-mode
(use-package gleam-mode
:ensure t
:mode "\\.gleam\\'")
#+END_SRC
;; lsp support for gleam
(use-package lsp-gleam
:ensure t
:mode "\\.gleam\\'")
#+END_SRC
** NixOS from Emacs
Editing Nix files and doing NixOS admin stuff like nixos-rebuild boot --upgrade

569
init.el Normal file
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@ -0,0 +1,569 @@
;;; -*- lexical-binding: t -*-
(defun geokkjer/display-startup-time ()
(message "Emacs loaded in %s with %d grabage collections."
(format "%.2f seconds"
(float-time
(time-subtract after-init-time before-init-time)))
gcs-done))
(add-hook 'emacs-startup-hook #'geokkjer/display-startup-time)
(setq gc-cons-threshold (* 50 1000 1000))
;; Initialize package sources
(require 'package)
;; Set the repos
(setq package-archives '(("melpa" . "https://melpa.org/packages/")
("org" . "https://orgmode.org/elpa/")
("nongnu" . "https://elpa.nongnu.org/nongnu/")
("elpa" . "https://elpa.gnu.org/packages/")))
(package-initialize)
(unless package-archive-contents
(package-refresh-contents))
;; Initialize use-package in case we are on non-Linux platform
(unless (package-installed-p 'use-package)
(package-install 'use-package))
(require 'use-package)
(setq use-package-always-ensure t)
(use-package auto-package-update
:custom
(auto-package-update-interval 7)
(auto-package-update-prompt-before-update t)
(auto-package-update-hide-results t)
:config
(auto-package-update-maybe)
(auto-package-update-at-time "09:00"))
;; Turns off the startup-message
(setq inhibit-startup-message t)
;; Disable UI-elements
(scroll-bar-mode -1) ; Disable visible scrollbar
(tool-bar-mode -1) ; Disable the toolbar
(tooltip-mode -1) ; Disable tooltips
(set-fringe-mode 10) ; Give us some breathing room
(menu-bar-mode -1) ; Disable the menu bar
;; Set up the visual bell
(setq visible-bell t)
;; Setting to auto reload files
(setq auto-revert-mode t)
;; Doom modline, all-the-icons and doom-theme
(use-package doom-modeline
:ensure t
:init (doom-modeline-mode 1)
:custom ((doom-modeline-height 15)))
(setq doom-modeline-icon t)
(use-package all-the-icons)
(use-package doom-themes
:init (load-theme 'doom-monokai-pro t))
;; Enable line numbers
(column-number-mode)
(global-display-line-numbers-mode t)
;; Disable line numbers for some modes
(dolist (mode '(org-mode-hook
geiser-mode-hook
term-mode-hook
shell-mode-hook
vterm-mode-hook
eshell-mode-hook))
(add-hook mode (lambda () (display-line-numbers-mode 0))))
(use-package spacious-padding
:ensure t
:hook (after-init . spacious-padding-mode))
(defvar geokkjer/default-font-size 140)
(set-face-attribute 'default nil :font "Fira Code Nerd Font Mono" :height geokkjer/default-font-size)
;; Set the fixed pitch face
(set-face-attribute 'fixed-pitch nil :font "Fira Code Nerd Font Mono" :height 140)
;; Set the variable pitch face
(set-face-attribute 'variable-pitch nil :font "Fira Code Nerd Font" :height 130 :weight 'regular)
(use-package swiper)
(use-package ivy
:diminish
:bind (("C-s" . swiper)
:map ivy-minibuffer-map
("TAB" . ivy-alt-done)
("C-l" . ivy-alt-done)
("C-j" . ivy-next-line)
("C-k" . ivy-previous-line)
:map ivy-switch-buffer-map
("C-k" . ivy-previous-line)
("C-l" . ivy-done)
("C-d" . ivy-reverse-buffer-kill)
:map ivy-reverse-i-search-map
("C-k" . ivy-previous-line)
("C-d" . ivy-reversee-i-search-kill))
:config
(ivy-mode 1))
(use-package ivy-rich
:after ivy
:init
(ivy-rich-mode 1))
(use-package ivy-posframe
:after ivy
:init
(ivy-posframe-mode 1))
(use-package counsel
:bind (("M-x" . counsel-M-x)
("C-x b" . counsel-ibuffer)
("C-x C-f" . counsel-find-file)
:map minibuffer-local-map
("C-r" .'counsel-minibuffer-history))
:config
(setq ivy-initial-inputs-alist nil)
(counsel-mode 1))
(use-package which-key
:defer 0
:diminish which-key-mode
:config
(which-key-mode)
(setq which-key-idle-delay 1))
(defun efs/org-mode-setup ()
(org-indent-mode)
(variable-pitch-mode 1)
(visual-line-mode 1))
;; Org Mode Configuration
(defun efs/org-font-setup ()
;; Replace list hyphen with dot
(font-lock-add-keywords 'org-mode
'(("^ *\\([-]\\) "
(0 (prog1 () (compose-region
(match-beginning1)
(match-end 1)
"")))))))
;; Show overview when open
(setq org-startup-folded t)
;; Set faces for heading levels
(with-eval-after-load 'org-faces
(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 . 1.1)
(org-level-6 . 1.1)
(org-level-7 . 1.1)
(org-level-8 . 1.1)))
(set-face-attribute (car face) nil :font "Fira Code Nerd Font" :weight 'regular
:height (cdr face))
;; Ensure that anything that should be fixed-pitch in Org files appears that way
(set-face-attribute 'org-block nil :foreground nil :inherit 'fixed-pitch)
(set-face-attribute 'org-code nil :inherit '(shadow fixed-pitch))
(set-face-attribute 'org-table 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-meta-line nil :inherit '(font-lock-comment-face
fixed-pitch))
(set-face-attribute 'org-checkbox nil :inherit 'fixed-pitch)))
(use-package org
:pin org
:commands (org-capture org-agenda)
:hook (org-mode . efs/org-mode-setup)
:config
(setq org-ellipsis "")
(use-package org-bullets
:hook (org-mode . org-bullets-mode)
:custom
(org-bullets-bullet-list '("" "" "" "" "" "" "")))
(defun efs/org-mode-visual-fill ()
(setq visual-fill-column-width 100
visual-fill-column-center-text t)
(visual-fill-column-mode 1))
(use-package visual-fill-column
:hook (org-mode . efs/org-mode-visual-fill)))
(with-eval-after-load 'org
(org-babel-do-load-languages
'org-babel-load-languages
'((lisp . t)
(scheme . t)
(emacs-lisp . t)
(shell . t)
(python . t)))
(push '("conf-unix" . conf-unix) org-src-lang-modes))
(setq org-confirm-babel-evaluate nil)
;; This is needed as of Org 9.2
(with-eval-after-load 'org
(require 'org-tempo)
(add-to-list 'org-structure-template-alist '("sh" . "src shell"))
(add-to-list 'org-structure-template-alist '("el" . "src emacs-lisp"))
(add-to-list 'org-structure-template-alist '("py" . "src python"))
(add-to-list 'org-structure-template-alist '("go" . "src go"))
(add-to-list 'org-structure-template-alist '("sc" . "src scheme"))
(add-to-list 'org-structure-template-alist '("li" . "src lisp"))
(add-to-list 'org-structure-template-alist '("ru" . "src rust"))
(add-to-list 'org-structure-template-alist '("nx" . "src nix")))
(setq org-src-tab-acts-natively t)
(use-package lorem-ipsum
:after org)
(use-package treemacs
:ensure t
:bind ("<f5>" . treemacs)
:custom (treemacs-is-never-other-window t)
:hook (treemacs-mode . treemacs-project-follow-mode))
(defun geokkjer/lsp-mode-setup ()
(setq lsp-headerline-breadcrumb-segments '(path-up-to-project file symbols))
(lsp-headerline-breadcrumb-mode))
(use-package lsp-mode
:commands (lsp lsp-deferred)
:hook ((lsp-mode . geokkjer/lsp-mode-setup)
(lsp-mode . lsp-enable-which-key-integration)
:init
(setq lsp-keymap-prefix "C-c l")))
;; (use-package lsp-org
;; :after lsp)
(use-package lsp-ivy
:after lsp)
(use-package lsp-ui
:hook (lsp-mode . lsp-ui-mode)
:custom
(lsp-ui-doc-psition 'bottom))
(setq lsp-ui-sidline-enable nil)
(setq lsp-ui-sideline-show-hover nil)
(use-package lsp-treemacs
:after lsp)
(use-package ccls
:defer t
:hook ((c-mode c++-mode objc-mode) .
(lambda () (require 'ccls) (lsp)))
:custom
(ccls-executable (executable-find "ccls")) ; Add ccls to path if you haven't done so
(ccls-sem-highlight-method 'font-lock)
(ccls-enable-skipped-ranges nil)
:config
(lsp-register-client
(make-lsp-client
:new-connection (lsp-tramp-connection (cons ccls-executable ccls-args))
:major-modes '(c-mode c++-mode cuda-mode objc-mode)
:server-id 'ccls-remote
:multi-root nil
:remote? t
:notification-handlers
(lsp-ht ("$ccls/publishSkippedRanges" #'ccls--publish-skipped-ranges)
("$ccls/publishSemanticHighlight" #'ccls--publish-semantic-highlight))
:initialization-options (lambda () ccls-initialization-options)
:library-folders-fn nil)))
;; C sharp
(use-package csharp-mode
:hook (csharp-mode . (lambda ()
(require 'csharp-ls)
(lsp)))
:mode "\\.cs\\'")
;; Zig
(use-package zig-mode
:ensure t
:hook (zig-mode . (lambda ()
(require 'zls
(lsp-deferred))
(prettify-symbols-mode)))
:mode "\\.zig\\'")
(use-package geiser-racket
:ensure t)
(use-package geiser-guile
:ensure t)
(use-package lsp-scheme)
(require 'lsp-scheme)
(add-hook 'scheme-mode-hook #'lsp-scheme-guile)
(setq lsp-scheme-implementation "guile")
(use-package go-mode
:ensure t
:hook (go-mode . (lambda ()
(require 'golsp
(lsp-deferred))
(prettify-symbols-mode)))
:mode "\\.go\\'")
(use-package flycheck-gometalinter
:ensure t
:config
(progn
(flycheck-gometalinter-setup)))
(use-package web-mode
:mode "\\.html\\'"
:hook (web-mode . lsp-deferred)
:config
(add-to-list 'auto-mode-alist '("\\.html?\\'" . web-mode))
(setq web-mode-engines-alist '(("django" . "\\.html\\'"))))
;; Simple-httpd webserver to preview webpages
(use-package simple-httpd
:ensure t)
(use-package python-mode
:ensure nil
:hook (python-mode . lsp-deferred)
:custom
(python-shell-interpreter "python3")
:mode "\\.py\\'"
:config
)
(use-package pyvenv
:after python-mode
:config
(pyvenv-mode 1))
(use-package lsp-python-ms
:ensure t
:hook (python-mode . (lambda ()
(require 'lsp-python-ms)
(lsp-deferred)))
:init
(setq lsp-python-ms-executable (executable-find "python-language-server")))
;; Javascript
(use-package js2-mode
:hook (js2-mode . (lambda ()
(require 'ts-ls
(lsp-deferred))))
:mode "\\.js\\'")
(use-package rust-mode
:ensure nil
:hook (rust-mode . (lambda ()
(require 'lsp-rust-server
(lsp-deferred))
(prettify-symbols-mode)))
:mode "\\.rs\\'")
(setq rust-format-on-save t)
(use-package flycheck-rust)
(with-eval-after-load 'rust-mode
(add-hook 'flycheck-mode-hook #'flycheck-rust-setup))
(use-package sql-indent)
(use-package nix-mode
:mode "\\.nix\\'")
(add-to-list 'lsp-language-id-configuration '(nix-mode . "nix"))
(lsp-register-client
(make-lsp-client :new-connection (lsp-stdio-connection '("rnix-lsp"))
:major-modes '(nix-mode)
:server-id 'nix))
(use-package kubernetes
:commands kubernetes-overview
:config
(setq kubernetes-poll-frequency 3600
kubernetes-redraw-frequency 3600))
(use-package yaml-mode)
(use-package company
:after lsp-mode
:hook (lsp-mode . company-mode)
:bind (:map company-active-map
("<tab>" . company-complete-section))
(:map lsp-mode-map
("<tab>" . company-indent-or-complete-common))
:custom
(company-minimum-orefix-lenght 1)
(company-idle-delay 0.0))
(use-package company-box
:hook (company-mode . company-box-mode))
;; rainbow-delimiters
(use-package rainbow-delimiters
:hook (prog-mode . rainbow-delimiters-mode))
(use-package flycheck
:ensure t
:init (global-flycheck-mode))
;; TODO learn to use projectile
(use-package projectile
:diminish
:config
:custom ((projectile-completion-system 'ivy))
:bind-keymap
("C-c p" . projectile-command-map)
:init
(when (file-directory-p "~/Projects/Code")
(setq projectile-projects-search-path '("~/Projects/Code")))
(setq projectile-switch-project-action #'projectile-dired))
(use-package counsel-projectile
:after projectile
:config (counsel-projectile-mode))
;; TODO learn git and Magit
(use-package magit
:commands magit-status
:custom
(magit-display-buffer-function
#'magit-display-buffer-same-window-except-diff-v1))
;; TODO config for service
(use-package forge
:after magit)
(use-package helpful
:commands (helpful-callable helpful-variable helpful-command helpful-key)
:custom
(counsel-describe-function-function #'helpful-callable)
(counsel-describe-variable-function #'helpful-variable)
:bind
([remap describe-function] . counsel-describe-function)
([remap describe-command] . helpful-command)
([remap describe-variable] . counsel-describe-variable)
([remap describe-key] . helpful-key))
(use-package general
:config
(general-create-definer geokkjer/leader-keys
:keymaps '(normal insert visual emacs)
:prefix "SPC"
:global-prefix "C-SPC")
(geokkjer/leader-keys
"t" '(:ignore t :which-key "toggles")
"tt" '(counsel-load-theme :which-key "choose theme")))
(use-package term
:commands term
:config
(setq explicit-shell-file-name "bash")
;; (setq explicit-zsh-args '())
(setq term-prompt-regexp "^[^#$%>\n]*[#$%>] *"))
(use-package eterm-256color
:hook (term-mode . eterm-256color-mode))
(use-package vterm
:ensure t
:commands vterm
:config
(setq vterm-shell "zsh")
(setq vterm-max-scrollback 10000))
(defun geokkjer/configure-eshell ()
;; Make eshell svae history when it is open
(add-hook 'eshell-pre-command-hook 'eshell-save-some-history)
;; Truncate buffer for performance
(add-to-list 'eshell-output-filter-functions 'eshell-truncate-buffer)
(setq eshell-history-size 10000
eshell-buffer-maximum-lines 10000
eshell-hist-ignoredups t
eshell-scroll-to-bottom-on-input t))
(use-package eshell-git-prompt
:after eshell)
(use-package eshell
:hook (eshell-first-time-mode . geokkjer/configure-eshell)
:config
(with-eval-after-load 'esh-opt
(setq eshell-destroy-buffer-when-process-dies t)
(setq eshell-visual-commands '("htop" "zsh" "vim" "glances")))
(eshell-git-prompt-use-theme 'powerline))
(use-package dired
:ensure nil
:commands (dired dired-jump)
:bind (("C-x C-j" . dired-jump))
:custom ((dired-listing-switches "-agho --group-directories-first")))
(use-package dired-single
:after dired)
(use-package all-the-icons-dired
:hook (dired-mode . all-the-icons-dired-mode))
(use-package dired-open
:after dired
:config
(setq dired-open-exstensions '(("png" . "feh")
("mkv" . "mpv"))))
(use-package dired-hide-dotfiles
:hook (dired-mode . dired-hide-dotfiles-mode))
;; Make gc pauses faster by decreasing the threshold
(setq gc-cons-threshold (* 2 1000 1000))
(server-start)
(custom-set-variables
;; custom-set-variables was added by Custom.
;; If you edit it by hand, you could mess it up, so be careful.
;; Your init file should contain only one such instance.
;; If there is more than one, they won't work right.
'(package-selected-packages
'(lsp-scheme tree-sitter-indent tree-sitter-langs tree-sitter dired-hide-dotfiles dired-open all-the-icons-dired dired-single eshell-git-prompt vterm eterm-256color general helpful forge magit counsel-projectile projectile rainbow-delimiters company-box company yaml-mode kubernetes nix-mode sql-indent flycheck-rust lsp-python-ms pyvenv simple-httpd web-mode flycheck-gometalinter go-mode geiser-guile geiser-racket zig-mode ccls lsp-treemacs lsp-ui lsp-ivy lsp-mode visual-fill-column org-bullets treemacs lorem-ipsum which-key counsel ivy-posframe ivy-rich swiper use-package spacious-padding doom-themes doom-modeline auto-package-update all-the-icons))
'(warning-suppress-log-types '((comp))))
(custom-set-faces
;; custom-set-faces was added by Custom.
;; If you edit it by hand, you could mess it up, so be careful.
;; Your init file should contain only one such instance.
;; If there is more than one, they won't work right.
'(fringe ((t :background "#282a36")))
'(header-line ((t :box (:line-width 4 :color "#22232d" :style nil))))
'(header-line-highlight ((t :box (:color "#f8f8f2"))))
'(keycast-key ((t)))
'(line-number ((t :background "#282a36")))
'(mode-line ((t :box (:line-width 6 :color "#22232d" :style nil))))
'(mode-line-active ((t :box (:line-width 6 :color "#22232d" :style nil))))
'(mode-line-highlight ((t :box (:color "#f8f8f2"))))
'(mode-line-inactive ((t :box (:line-width 6 :color "#252631" :style nil))))
'(tab-bar-tab ((t :box (:line-width 4 :color "#282a36" :style nil))))
'(tab-bar-tab-inactive ((t :box (:line-width 4 :color "#1E2029" :style nil))))
'(tab-line-tab ((t)))
'(tab-line-tab-active ((t)))
'(tab-line-tab-inactive ((t)))
'(vertical-border ((t :background "#282a36" :foreground "#282a36")))
'(window-divider ((t (:background "#282a36" :foreground "#282a36"))))
'(window-divider-first-pixel ((t (:background "#282a36" :foreground "#282a36"))))
'(window-divider-last-pixel ((t (:background "#282a36" :foreground "#282a36")))))