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init.el
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init.el
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;;; package --- init.el -*- lexical-binding: t -*- --- My Emacs configuration.
;;; Commentary:
;;; This file is not part of GNU Emacs.
;;; Author: Aditya Athalye
;;; Created on: 30 June 2023
;;; Copyright (c) 2023 Aditya Athalye
;;; License:
;;; This program is free software; you can redistribute it and/or
;;; modify it under the terms of the MIT license, which is included
;;; with this distribution. See the LICENCE.txt file.
;;; Code:
;; Set the low bar Emacs compatibility high
(defvar adi/dotemacs-min-version "28.1")
(when (version< emacs-version adi/dotemacs-min-version)
(error "We demand spiffy new Emacs, at least v%s, but you have v%s"
adi/dotemacs-min-version
emacs-version))
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; DIRECTORY STRUCTURE
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Take clues from bbatsov/prelude, except keep structure relative to our
;; initial adi/dotemacs-dir path. This way we can start the user's emacs via
;; ~/.emacs.d symlinked to the dotemacs repo, and develop/debug against
;; the repo without potentially overwriting transient state files of the
;; daily driver .emacs.d.
;; TODO: Evaluate the `no-littering' package.
;; It aims to "Help keeping ~/.config/emacs clean.".
;; cf. https://github.com/emacscollective/no-littering
(defvar adi/dotemacs-dir
(file-name-directory (or load-file-name (buffer-file-name)))
"The dotemacs' root. Normally it should be ~/.emacs.d.")
(defvar adi/dotemacs-custom-file (expand-file-name "custom.el" adi/dotemacs-dir)
"Make Emacs add customisations here, instead of the init file.
Usually customisations made from the UI go into `custom-file'.")
(setq custom-file adi/dotemacs-custom-file)
(unless (file-exists-p adi/dotemacs-custom-file)
(make-empty-file adi/dotemacs-custom-file))
(load-file custom-file) ; load *now*, instead of unpredictable load sequence
(defvar adi/dotemacs-custom-file-private (expand-file-name "private-custom.el" adi/dotemacs-dir)
"A file for private customisations. TODO: create a private package to load out-of-band.")
(unless (file-exists-p adi/dotemacs-custom-file-private)
(make-empty-file adi/dotemacs-custom-file-private))
(load-file adi/dotemacs-custom-file-private) ; load *now*, instead of unpredictable load sequence
(defvar adi/dotemacs-savefile-dir (file-name-as-directory
(expand-file-name "savefile" adi/dotemacs-dir))
"This folder stores all the automatically generated save/history-files.")
(unless (file-exists-p adi/dotemacs-savefile-dir)
(make-directory adi/dotemacs-savefile-dir))
(defvar adi/dotemacs-backup-files-dir (file-name-as-directory
(expand-file-name "autosaves"
adi/dotemacs-savefile-dir))
"Store backup file copies Emacs makes when editing files,
and for auto-saves we can restore from.")
(unless (file-exists-p adi/dotemacs-backup-files-dir)
(make-directory adi/dotemacs-backup-files-dir))
(defvar adi/dotemacs-cache-dir (file-name-as-directory
(expand-file-name ".cache" adi/dotemacs-dir))
"Store things like lsp servers that lsp-mode can auto-download.")
(unless (file-exists-p adi/dotemacs-cache-dir)
(make-directory adi/dotemacs-cache-dir))
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; BETTER DEFAULTS
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; via
;; - technomancy/better-defaults
;; - bbatsov/prelude
;; - vedang/emacs-up
;; - suvratapte/dot-emacs-dot-d
;; SPACES OVER TABS,
;; but keep up conventional appearances of 8 character wide tabs.
;; NOTE: Use `C-q TAB` to insert literal tabs.
(setq-default indent-tabs-mode nil
tab-width 8
;; to hard wrap, use fill-paragraph
fill-column 70
global-display-fill-column-indicator-mode t)
(setq
;; PERFORMANCE
;; gc ~100MB for better overall performance. ~50-100MB is recommended
;; these days over the long-obsolete default of ~8MB.
;; TODO: evaluate the Garbage Collection Magic Hack (GCMH) to
;; - Enforce a sneaky Garbage Collection strategy to minimize GC
;; interference with user activity.
;; - If this is done at the beginning of your .emacs start-up time
;; should also benefit from it.
;; cf. https://gitlab.com/koral/gcmh, https://akrl.sdf.org/#orgc9536b4,
;; via HN: https://news.ycombinator.com/item?id=39190110
gc-cons-threshold (* 100 1024 1024)
;; Large files freeze Emacs. Warn for files over ~100MB.
large-file-warning-threshold (* 100 1024 1024)
;; Always load newest byte code. cf. bbatsov/prelude
load-prefer-newer t
;; LSP-mode performance tweaks
read-process-output-max (* 1024 1024) ; 1mb
;; FILE BACKUP RESTORE
;; cf. https://www.emacswiki.org/emacs/BackupDirectory
;; and https://www.emacswiki.org/emacs/BackupFiles
;; and https://www.emacswiki.org/emacs/AutoSave
;; To also configure local backups for tramp,
;; use `tramp-backup-directory-alist'
backup-by-copying t ; don't clobber symlinks
backup-directory-alist ; put backup files here, e.g. `file~' and `#file#' copies
`(("." . ,adi/dotemacs-backup-files-dir))
;; INTERACTIONS
inhibit-startup-message t
ring-bell-function 'ignore ; no beeps
require-final-newline t ; always well-form files
confirm-kill-emacs 'y-or-n-p ; instead of disabling 'C-x C-c'
use-dialog-box nil ; no popups please
create-lockfiles nil
tab-always-indent 'complete
tab-first-completion 'word
enable-recursive-minibuffers t
minibuffer-depth-indicate-mode t
uniquify-buffer-name-style 'forward
uniquify-after-kill-buffer-p t ; rename after killing uniquified
uniquify-ignore-buffers-re "^\\*") ; spare special buffers
;; MORE INTERACTIONS
;; http://ergoemacs.org/emacs/emacs_save_restore_opened_files.html
(global-auto-revert-mode 1) ; auto-revert buffer if file-on-disk changes
(delete-selection-mode t) ; delete selection for any keypress
(add-hook 'before-save-hook 'delete-trailing-whitespace)
(fset 'yes-or-no-p 'y-or-n-p) ; typing "yes/no" gets annoying fast
(global-unset-key (kbd "C-z")) ; avoid fat fingering `suspend-frame'
;; UTF-8 as default encoding
;; ref: http://ergoemacs.org/emacs/emacs_encoding_decoding_faq.html
(set-language-environment "UTF-8")
;; CREATURE COMFORTS
;; Tracking world time with Emacs
;; https://emacsredux.com/blog/2024/03/11/tracking-world-time-with-emacs/
;; Zone format: "Country/Region" "Label"
(setq world-clock-list adi/world-clock-list
world-clock-time-format "%a %d %b %R %Z")
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; VISUAL AESTHETICS
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Go easy on the eyes. This high-contrast darkmode theme is built
;; into Emacs, as of Emacs version 28.1
(load-theme 'modus-vivendi)
;; More screen real estate
(scroll-bar-mode 0)
(tool-bar-mode 0)
(tooltip-mode 0) ; disable popup, make help text appear in echo area
(menu-bar-mode 0)
(column-number-mode t)
(set-fringe-mode '(5 . 13)) ;; describe variable fringe-mode
(global-hl-line-mode +1)
(global-visual-line-mode +1) ; prefer Visual Line Mode
;; (add-hook 'text-mode-hook #'visual-line-mode) ; selectively, instead of global visual line mode
;; (add-hook 'org-mode-hook #'visual-line-mode) ; selectively, instead of global visual line mode
;; Tweak Font sizes globally, and also set line number mode
(defun adi/set-frame-font--default ()
"Interactively set default frame font for day to day work."
(interactive)
(set-frame-font "-PfEd-DejaVu Sans Mono-normal-normal-normal-*-13-*-*-*-m-0-iso10646-1")
(global-display-line-numbers-mode -1))
(defun adi/set-frame-font--pair-prog ()
"Interactively set frame font for pair programming."
(interactive)
(set-frame-font "-PfEd-DejaVu Sans Mono-normal-normal-normal-*-16-*-*-*-m-0-iso10646-1")
(global-display-line-numbers-mode 1))
(defun adi/set-frame-font--code-demo ()
"Interactively set frame font for presentations and demos."
(interactive)
(set-frame-font "-1ASC-Liberation Mono-normal-normal-normal-*-28-*-*-*-m-0-iso10646-1")
(global-display-line-numbers-mode -1))
;; Ensure we always start Emacs with the default font.
(adi/set-frame-font--default)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Package management
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; TODO: use `straight-use-package' for great good.
;; cf. https://github.com/radian-software/straight.el?tab=readme-ov-file#integration-with-use-package
;;
;; To use use-package, first install it with straight.el:
;;
;; (straight-use-package 'use-package)
;;
;; Now use-package will use straight.el to automatically install missing packages if you provide :straight t:
;;
;; (use-package el-patch
;; :straight t)
;;
;; You can still provide a custom recipe for the package... etc. etc.
;;
(require 'package)
;; Explicitly set the exact package archives list
(setq package-archives '(("melpa" . "https://melpa.org/packages/")
("org" . "https://orgmode.org/elpa/")
("elpa" . "https://elpa.gnu.org/packages/")))
;; Set package download directory relative to the adi/dotemacs-dir
(setq package-user-dir (file-name-as-directory
(expand-file-name "elpa" adi/dotemacs-dir)))
(package-initialize)
(unless package-archive-contents
(package-refresh-contents))
;; PATH Setting
;;
;; Make the environment variables inside Emacs look the same as my shell
;; ref: https://github.com/purcell/exec-path-from-shell
;; e.g. LSP server installation requires nvm path that is not available
;; in PATH if we start Emacs from the GUI.
(unless (package-installed-p 'exec-path-from-shell)
(package-install 'exec-path-from-shell))
(require 'exec-path-from-shell)
;; Set list of vars to look up from shell env. Do so _before_ initialising.
(dolist (var '("SSH_AUTH_SOCK" "SSH_AGENT_PID" "GPG_AGENT_INFO" "LANG" "LC_CTYPE"))
(add-to-list 'exec-path-from-shell-variables var))
;; Set $MANPATH, $PATH and exec-path from shell, when executed in a GUI
;; frame on OS X and Linux.
(when (memq window-system '(mac ns x))
(exec-path-from-shell-initialize))
(when (daemonp)
(exec-path-from-shell-initialize))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Use use-package
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Ian Y.E. Pan's tutorial is a nice quick overview.
;; https://ianyepan.github.io/posts/setting-up-use-package/
(unless (package-installed-p 'use-package)
(package-install 'use-package))
(eval-when-compile
(add-to-list 'load-path package-user-dir)
(require 'use-package))
(setq use-package-always-ensure t
use-package-expand-minimally t ; set nil to debug use-package forms
use-package-verbose t)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; All the packages!
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Packages useful to configure packages
(use-package gnu-elpa-keyring-update
;; To keep package verification signatures up to date.
;; ref: https://elpa.gnu.org/packages/gnu-elpa-keyring-update.html
;;
;; If our keys are already too old, causing signature verification
;; errors when installing packages, then in order to install this
;; package we have to temporarily disable signature verification
;; (see variable `package-check-signature') :-(
;;
;; If keys have expired, we get an error like this:
;;
;; Failed to verify signature archive-contents.sig:
;; No public key for 645357D2883A0966 created at 2024-05-03T02:35:03+0530 using EDDSA
;; Command output:
;; gpg: Signature made Friday 03 May 2024 02:35:03 AM IST
;; gpg: using EDDSA key 0327BE68D64D9A1A66859F15645357D2883A0966
;; gpg: Can't check signature: No public key
;;
;; To fix it:
;; ref: https://emacs.stackexchange.com/a/53142
;;
;; - Unset package-check-signature
;; (setq package-check-signature--old package-check-signature
;; package-check-signature nil)
;;
;; - Install this check signature package
;;
;; - Set back package-check-signature to former value.
;; (setq package-check-signature package-check-signature--old)
)
;; radian-software/blackout to tune major/minor mode names
;; in modeline. It unifies functionality of the mutually
;; confusing modeline lighters delight, diminish, and dim.
;; It integrates seamlessly with use-package.
(use-package blackout)
(use-package helpful ; h/t systemcrafters.net
;; https://github.com/Wilfred/helpful
:config
(setq helpful-max-buffers 1) ; but actually we want it to reuse buffer
:bind (("C-h f" . #'helpful-callable)
("C-h F" . #'helpful-function) ; exclude macros
("C-h v" . #'helpful-variable)
("C-h k" . #'helpful-key)
("C-h x" . #'helpful-command)
;; Lookup the current symbol at point. C-c C-d is
;; a common keybinding for this in lisp modes.
("C-c C-d" . #'helpful-at-point))
:blackout)
(use-package command-log-mode
:blackout)
(use-package esup
;; emacs startup profiler
:blackout)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Remember states of files, buffer, desktop
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(use-package recentf
:config
(setq recentf-save-file (expand-file-name "recentf"
adi/dotemacs-savefile-dir)
recentf-max-saved-items 1000
recentf-max-menu-items 10
recentf-auto-cleanup 'never)
(recentf-mode +1)
:blackout)
(use-package savehist
:config
(setq savehist-additional-variables
'(search-ring regexp-search-ring)
savehist-autosave-inerval 60
savehist-file (expand-file-name "savehist"
adi/dotemacs-savefile-dir)))
(use-package saveplace
:config
(setq save-place-file
(expand-file-name "saveplace" adi/dotemacs-savefile-dir))
(save-place-mode +1))
(use-package desktop
;; Restore Emacs buffers, windows, placement to how it was at shutdown
;; ref: https://www.emacswiki.org/emacs/Desktop
:init
;; Reduce startup slowdown due to side effects like Language Servers being
;; started synchronously due to eager restores of programming buffers.
;; https://www.gnu.org/software/emacs/manual/html_node/emacs/Saving-Emacs-Sessions.html
(setq desktop-restore-eager 1)
:config
(add-to-list 'desktop-path adi/dotemacs-savefile-dir)
(setq desktop-dirname adi/dotemacs-savefile-dir
desktop-auto-save-timeout 30)
(defun adi/desktop-read-after-emacs-startup ()
(when (file-exists-p
(expand-file-name desktop-base-file-name desktop-dirname))
(desktop-read)))
;; does not work with 'after-init-hook
(add-hook 'emacs-startup-hook #'adi/desktop-read-after-emacs-startup)
(desktop-save-mode 1))
(use-package super-save ; h/t bbatsov/prelude
:config
(super-save-mode +1)
:blackout)
(use-package amx ; h/t Protesilaos Stavrou
;; NOTES: When amx is active:
;; - "C-h f" calls describe-function
;; - "M-." jumps to definition
;; - "C-h w" shows keybindings for thing at point
:config
(setq amx-save-file
(expand-file-name "amx-items" adi/dotemacs-savefile-dir))
(setq amx-backend 'ivy) ; integrates with counsel-M-x
(setq amx-show-key-bindings t) ; t by default
;; (add-to-list 'amx-ignored-command-matchers "") ; to ignore commands
(amx-mode +1)
:blackout)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Manage windows, buffers, movement, navigation and create a more
;; "heads up display" kind of experience.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(use-package counsel ; brings in ivy, and swiper too
:config
(ivy-mode +1)
:bind
(:map counsel-find-file-map
("C-l" . counsel-up-directory)
:map global-map
("M-x" . counsel-M-x)
("C-c c" . counsel-company)
("C-c i" . counsel-imenu)
("C-x C-f" . counsel-find-file)
;; because counsel find file does not let us edit results
("C-M-y" . ivy-insert-current-full)
("C-c C-f" . counsel-recentf)
("C-c g" . counsel-git) ; find files respecting gitignore
("C-c k" . counsel-ag)
("C-c l" . counsel-locate)
("C-c b" . counsel-switch-buffer-other-window))
:blackout)
(use-package swiper
:bind
(:map
global-map
("C-s" . swiper)
("C-c t" . swiper-thing-at-point) ; swiper-map prefix key is "C-c"
("C-c a t" . swiper-all-thing-at-point)))
;; Note: Use "M-o" after "C-x C-f" or "C-s" for additional options
;; for the context for the thing selected in the minibuffer.
(use-package ivy
:config
(ivy-mode t)
(setq ivy-use-virtual-buffers t
ivy-count-format "%d/%d: " ; per the docs
;; don't start ivy prompts with '^' regex match,
;; because we want fuzzier matching by default
ivy-initial-inputs-alist nil
;; fix annoying problem of ivy not letting us rename file
;; that has partial completion
;; https://www.reddit.com/r/emacs/comments/e02lup/ivy_swiper_doesnt_let_me_rename_or_save_a_file/
ivy-use-selectable-prompt t)
:blackout)
(use-package ivy-rich ; h/t suvratapte/dot-emacs-dot-d
:custom
(ivy-rich-path-style 'abbreviate)
:config
(ivy-rich-mode +1)
;; perf. Caching:
;; ref: https://github.com/Yevgnen/ivy-rich#project-performance
;; ref: https://github.com/syl20bnr/spacemacs/issues/10101
;; ivy-rich slows down a lot if many buffers are open
;; `M-x profiler-start' revealed lots of busy work by ivy-rich.
;; This is super annoying, but the workaround is to add a cache.
(ivy-rich-project-root-cache-mode +1)
:blackout)
(use-package ibuffer
:bind (:map global-map
("C-x C-b" . ibuffer-other-window))
:blackout)
(use-package which-key
:config (which-key-mode t)
(setq which-key-idle-delay 0.5)
;; Sort based on the key description ignoring case (default
;; is 'which-key-key-order).
(setq which-key-sort-order 'which-key-description-order)
:blackout)
(use-package ace-window
:bind
(:map global-map
("s-w" . 'ace-window)
([remap other-window] . 'ace-window))
:blackout)
(use-package avy
:blackout)
(use-package key-chord
:config
(key-chord-mode +1)
(setq key-chord-one-key-delay 0.2) ; e.g. "jj", default 0.2
(setq key-chord-two-keys-delay 0.2) ; e.g. "jk", default 0.1
(setq key-chord-safety-interval-backward 0.5) ; default 0.1 is too close to key delays
(setq key-chord-safety-interval-forward 0) ; default 0.35 causes laggy experience
(key-chord-unset-global "lj") ; we often want to type clj
(key-chord-define-global "jj" 'avy-goto-word-1)
(key-chord-define-global "jl" 'avy-goto-line)
(key-chord-define-global "jk" 'avy-goto-char)
(key-chord-define-global "XX" 'execute-extended-command)
(key-chord-define-global "yy" 'counsel-yank-pop)
(key-chord-define-global "g;" 'ace-window)
(key-chord-define-global ";g" 'ace-window)
:blackout)
(use-package golden-ratio
;; https://github.com/roman/golden-ratio.el
;; See also slightly modified version h/t github.com/nebkor
;; https://git.sr.ht/~wklew/golden
:config
(golden-ratio-mode +1)
;; Set auto scale to `t' for wide screens, but not for 16:10, 1900px HD displays
(setq golden-ratio-auto-scale nil
;; golden-ratio-wide-adjust-factor 1
;; golden-ratio-adjust-factor .8
)
;; Make golden ratio play nice with other modes
(dolist (cmd '(ace-window
magit-status
avy-goto-char
avy-goto-char-2
avy-goto-word-0
avy-goto-word-1
avy-goto-line))
(add-to-list 'golden-ratio-extra-commands
cmd))
:blackout)
(use-package rotate
;; https://github.com/daichirata/emacs-rotate
:blackout)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; General text viewing and editing
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Enable narrowings to enhance focus, and reduce accidental
;; edits of nonfocus areas (thanks to save-restrictions).
;; h/t bbatsov/prelude
;; Note: `C-x n w` makes all visible again.
(put 'narrow-to-region 'disabled nil)
(put 'narrow-to-page 'disabled nil)
(put 'narrow-to-defun 'disabled nil)
;; COMplete ANYthing, please!
;; TODO: instead try radian's completion system
;;; ref: https://github.com/radian-software/radian
(use-package company
:bind (:map global-map
("TAB" . company-indent-or-complete-common)
;; Got to love the name hippie-expand. Use this for general
;; expansions, because company-complete is good for the
;; current/narrow-case expansions. By default, `M-/` binds
;; to the less powerful `dabbrev-expand`. To alter search
;; options, :config the hippie-expand-try-functions-list.
("M-/" . hippie-expand))
:config (setq company-idle-delay 0.3
company-minimum-prefix-length 2)
(global-company-mode t)
:blackout)
;; Selections
(use-package expand-region
:bind
(("C-=" . er/expand-region)
("C-M-=" . er/contract-region)))
;; Multiple cursors
(use-package multiple-cursors
:config
(setq mc/list-file (expand-file-name ".mc-lists.el"
adi/dotemacs-savefile-dir))
;; Idea taken from "Emacs: Define Key Sequence"
;; ref: http://ergoemacs.org/emacs/emacs_keybinding_power_of_keys_sequence.html
;; define prefix keymap for multiple cursors
(define-prefix-command 'adi/multi-cursor-keymap)
(define-key adi/multi-cursor-keymap (kbd "e") 'mc/edit-lines)
(define-key adi/multi-cursor-keymap (kbd "a") 'mc/mark-all-like-this-dwim)
(define-key adi/multi-cursor-keymap (kbd "r") 'mc/mark-all-in-region-regexp)
(define-key adi/multi-cursor-keymap (kbd "s") 'mc/mark-all-symbols-like-this-in-defun)
(define-key adi/multi-cursor-keymap (kbd "w") 'mc/mark-all-words-like-this-in-defun)
(define-key adi/multi-cursor-keymap (kbd "C-n") 'mc/mark-next-like-this)
(define-key adi/multi-cursor-keymap (kbd "C-p") 'mc/mark-previous-like-this)
(define-key adi/multi-cursor-keymap (kbd "C-a") 'mc/mark-all-like-this)
:bind-keymap ("C-c m" . adi/multi-cursor-keymap))
(use-package wgrep ; editable grep buffers FTW!
:blackout)
(use-package separedit
;; Edit comment or string/docstring or code block inside them in
;; separate buffer with your favorite mode. h/t Ag Ibragimov via
;; Clojurians Slack. Ag notes separedit uses indirect buffers to
;; work its magic. cf: https://github.com/twlz0ne/separedit.el
;; --
;; Ag: I use separadit to edit multiline text like:
;; (str "foo"
;; "bar"
;; "zap"
;; "zop")
;; it will let me edit the whole thing in a separate buffer, showing
;; only the string content and when I'm done, it will put the
;; modified text back into (str) block. It feels like pure magic.
;; --
;; I used it as an example use of indirect buffers.
;; Try this.
;; Open a namespace file (or any buffer, really)
;; - Clone indirect buffer M-x clone-indirect-buffer
;; - You'd see another cloned buffer
;; - Now, you can use narrow-to-defun, narrow-to-region commands
;; in one buffer without affecting the other.
;; - Meanwhile editing text would equally be synchronized in both of them.
:bind
(:map global-map
;; "C-u C-c '" to edit with manually selected major mode
("C-c '" . #'separedit))
:config
;; Feature options
(setq separedit-preserve-string-indentation t
separedit-continue-fill-column t
separedit-write-file-when-execute-save t
separedit-remove-trailing-spaces-in-comment t)
:ensure t)
(use-package crux
;; cf. https://github.com/bbatsov/crux
:bind
(:map global-map
("C-M-z" . crux-indent-defun) ; indent defun at point
("C-c r" . crux-rename-file-and-buffer)
("C-c D" . crux-delete-file-and-buffer))
:blackout)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Lispy editing support
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Tweak settings of built-in paren package
(use-package paren
:ensure nil ; it already exists, don't try to search online
:init
(setq show-paren-delay 0)
:config
(show-paren-mode t)
:blackout)
(use-package smartparens ; h/t bbatsov/prelude use it like paredit
:config
(require 'smartparens-config)
(setq sp-base-key-bindings 'paredit
sp-autoskip-closing-pair 'always
sp-hybrid-kill-entire-symbol nil)
(sp-use-paredit-bindings)
(show-smartparens-global-mode +1)
:hook ((emacs-lisp-mode
lisp-mode
lisp-interaction-mode
ielm-mode
clojure-mode
cider-repl-mode) . smartparens-strict-mode)
:blackout)
(use-package eldoc
:config
(global-eldoc-mode t)
:custom ; h/t jwiegley/dot-emacs
(eldoc-echo-area-use-multiline-p t)
(eldoc-echo-area-display-truncation-message nil)
;; for hooks, ref: https://www.emacswiki.org/emacs/ElDoc
:hook ((emacs-lisp-mode lisp-interaction-mode ielm-mode)
. eldoc-mode)
:blackout)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Programming and Writing workflow support
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(use-package magit
:blackout)
(use-package projectile
:custom
(projectile-cache-file (expand-file-name "projectile.cache"
adi/dotemacs-cache-dir))
:init
(projectile-mode +1)
:config
(setq projectile-indexing-method 'alien ; default is 'alien
;; Enable caching unconditionally for all indexing modes
projectile-enable-caching t
;; cf. https://docs.projectile.mx/projectile/configuration.html#caching
;; To manually invalidate cache:
;; - 'C-u C-c p f', prior to prompting for a file to jump to
;; - M-x projectile-purge-file-from-cache
;; - M-x projectile-purge-dir-from-cache
;; Set search paths string explicitly to re-index all known projects.
;; Optionally use cons cell to declare recursive search depth
;; '(("~/src" . 3) ("~/work/" . 4))
projectile-project-search-path nil
;; make C-c p t also create a test file when missing
projectile-create-missing-test-files t)
:bind
(:map projectile-mode-map
("C-c p" . projectile-command-map))
:blackout)
(use-package yasnippet
:config
(defvar adi/dotemacs-yasnippets-dir
(file-name-as-directory (expand-file-name "snippets" adi/dotemacs-dir)))
(unless (file-exists-p adi/dotemacs-yasnippets-dir)
(make-directory adi/dotemacs-yasnippets-dir))
(setq yas-snippet-dirs
(list adi/dotemacs-yasnippets-dir))
(add-to-list 'hippie-expand-try-functions-list
'yas-hippie-try-expand)
(yas-global-mode +1) ; nb. global mode can slow down emacs startup
:blackout yas-minor-mode)
(use-package yasnippet-snippets
:requires yasnippet
:config
(yasnippet-snippets-initialize)
:blackout)
(use-package flyspell
;; "C-," to goto next error,
;; "C-M-i" to auto-fix current error (cycles options)
:ensure nil ; built in
:hook ((text-mode org-mode) . flyspell-mode)
:hook ((prog-mode) . flyspell-prog-mode)
:blackout)
(use-package flycheck
:config (global-flycheck-mode +1)
:blackout)
(use-package zeal-at-point
;; ref: https://github.com/jinzhu/zeal-at-point
:bind (:map global-map
("\C-c z" . 'zeal-at-point)))
(use-package aggressive-indent-mode
;; https://github.com/Malabarba/aggressive-indent-mode
;; cf. additional packages recommended by clojure-mode
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Programming languages
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(use-package lsp-mode
;; ref: https://emacs-lsp.github.io/lsp-mode/page/installation/#use-package
:init
(setq lsp-keymap-prefix "C-c C-l")
:hook ((clojure-mode clojurescript-mode clojurec-mode sh-mode) . lsp-deferred)
:hook (lsp-mode . lsp-enable-which-key-integration)
:custom
;; LSP "workspace" dirs:
;; nb. "workspace" seems to be a confusing concept. It is a VSCode concept
;; that lsp-mode superseded as "session", because lsp-mode was already using
;; the word "workspace" in some other context. See: `lsp-describe-session'.
;; https://github.com/emacs-lsp/lsp-mode/discussions/3095
;; "workspace" directories still seem to server some purpose (no idea what),
;; and seem to be language specific.
(lsp-clojure-workspace-dir
(file-name-as-directory (expand-file-name "workspace"
adi/dotemacs-dir)))
:config
(setq lsp-server-install-dir (file-name-as-directory ; install local to dotemacs
(expand-file-name "lsp" adi/dotemacs-cache-dir))
;; Perf. tweaks. Ref: https://emacs-lsp.github.io/lsp-mode/page/performance/
lsp-idle-delay 0.500 ; bump higher if lsp-mode gets sluggish
lsp-log-io nil
; lsp-enable-indentation nil ; set 'nil' to use cider indentation instead of lsp
; lsp-enable-completion-at-point nil; set 'nil' to use cider completion instead of lsp
;; No semgrep. https://emacs-lsp.github.io/lsp-mode/page/lsp-semgrep/
;; IDK why semgrep is on by default, docs are thin on configuring it
;; I don't want the error 'Command "semgrep lsp" is not present on the path.'
;; because I don't want to "pip install semgrep --user".
lsp-semgrep-server-command nil)
;; LANGUAGE SPECIFIC SETTINGS
;; clojure-lsp: cf. https://clojure-lsp.io/clients/#emacs
(add-to-list 'lsp-language-id-configuration
`(clojurex-mode . "clojure"))
:commands (lsp lsp-deferred))
(use-package lsp-ui
:after lsp-mode
:commands lsp-ui-mode
:bind (:map lsp-ui-mode-map ; h/t github.com/bbatsov/prelude
([remap xref-find-definitions] . #'lsp-ui-peek-find-definitions)
([remap xref-find-references] . #'lsp-ui-peek-find-references)
("C-c C-l ." . 'lsp-ui-peek-find-definitions)
("C-c C-l ," . 'lsp-ui-peek-find-references)
("C-c C-l r" . 'lsp-rename)
("C-c C-l x" . 'lsp-workspace-restart)
("C-c C-l w" . 'lsp-ui-peek-find-workspace-symbol)
("C-c C-l i" . 'lsp-ui-peek-find-implementation)
("C-c C-l d" . 'lsp-describe-thing-at-point)
("C-c C-l e" . 'lsp-execute-code-action))
:config
; h/t github.com/bbatsov/prelude
(setq lsp-ui-sideline-enable t
lsp-ui-doc-enable t
lsp-ui-peek-enable t
lsp-ui-peek-always-show t
lsp-ui-imenu-auto-refresh 'after-save
;; fix width to prevent golden ratio mode from
;; re-balancing the imenu window
lsp-ui-imenu-window-fix-width t
lsp-ui-imenu-window-width 40))
(use-package lsp-ivy
:after lsp-mode
:commands lsp-ivy-workspace-symbol)
;; treemacs is pretty useful for polylith-like multi-projects
;; cf: https://github.com/emacs-lsp/lsp-treemacs
;; and https://github.com/Alexander-Miller/treemacs
(use-package treemacs
:bind
(:map global-map
("M-0" . treemacs-select-window)
("C-c C-t 1" . treemacs-delete-other-windows)
("C-c C-t t" . treemacs)
("C-c C-t d" . treemacs-select-directory)
("C-c C-t B" . treemacs-bookmark)
("C-c C-t C-t" . treemacs-find-file)
("C-c C-t M-t" . treemacs-find-tag))
:config
(setq treemacs-file-event-delay 500 ; default is 2000
treemacs-file-follow-delay 0.1 ; default is 0.2
;; Make treemacs automatically switch to the project for the
;; current buffer. Without this, one has to remember which project
;; belongs to which workspace.
treemacs-follow-mode t
treemacs-find-workspace-method 'find-for-file-or-manually-select
treemacs-project-follow-mode t
treemacs-project-follow-cleanup t ; expand only current project
treemacs-display-in-side-window t
;; treemacs--process-file-events produces errors in case of
;; transient files, even gitignored ones. Hiding gitignored files
;; appears to work around the timer error.
;; https://github.com/Alexander-Miller/treemacs/issues/749#issuecomment-1962363871
treemacs-hide-gitignored-files-mode t)
:blackout)
(use-package lsp-treemacs
:after lsp-mode
:commands lsp-treemacs-errors-list
:config
(setq treemacs-space-between-root-nodes nil
lsp-treemacs-sync-mode +1)
:blackout)
(use-package treemacs-projectile
:after (treemacs projectile))
;; dap-mode, optionally to use LANGUAGE-specific debuggers
;; cf. https://emacs-lsp.github.io/lsp-mode/page/installation/#use-package
;; (use-package dap-mode)
;; (use-package dap-LANGUAGE :ensue t :after dap-mode) ; load dap adapter for LANGUAGE
(use-package clojure-mode
;; Brings in clojure-mode for Clj, clojurescript-mode for Cljs,
;; and clojurec-mode for Cljc
;; Hook into subword-mode to work with CamelCase tokens like Java classes
;; h/t suvratapte/dot-emacs-dot-d
:hook ((clojure-mode . subword-mode)
(clojure-mode . yas-minor-mode)
(clojure-mode . aggressive-indent-mode))
:config
(setq clojure-indent-style 'always-align)
:blackout "Clj")
(use-package cider
;; Note: Ensure CIDER and lsp-mode play well together, as we use both.
;; - LSP for more static-analysis-y services (completions, lookups, errors etc.),
;; - CIDER for "live" runtime services (enhanced REPL, interactive debugger etc.).
:after clojure-mode
:init
;; Use clojure-lsp for eldoc and completions
;; h/t cider docs and ericdallo/dotfiles/.config/doom/config.el
(remove-hook 'eldoc-documentation-functions #'cider-eldoc)
(remove-hook 'completion-at-point-functions #'cider-complete-at-point)
:custom
(cider-preferred-build-tool 'clj)
:bind
(:map cider-mode-map
("C-c C-l" . nil))
:config
;; settings h/t suvratapte/dot-emacs-dot-d
(setq cider-repl-pop-to-buffer-on-connect nil
cider-show-error-buffer t
cider-auto-select-error-buffer t
cider-repl-history-file (expand-file-name "cider-history"
adi/dotemacs-savefile-dir)
cider-repl-wrap-history t
cider-prompt-for-symbol nil
cider-repl-use-pretty-printing t
nrepl-log-messages nil
;; play nice with lsp-mode
;; h/t ericdallo/dotfiles/.config/doom/config.el
cider-font-lock-dynamically nil ; use lsp semantic tokens
cider-eldoc-display-for-symbol-at-point nil ; use lsp
cider-prompt-for-symbol nil ; use lsp
cider-use-xref nil ; use lsp
;; Maybe customize variables for cider-jack-in
;; https://docs.cider.mx/cider/basics/up_and_running.html
)
:blackout)
;; clj-refactor can go where clojure-lsp refactor can't go
(use-package clj-refactor
;; config h/t ericdallo/dotfiles doom emacs config
:after clojure-mode
:config
(setq cljr-warn-on-eval nil
cljr-eagerly-build-asts-on-startup nil
cljr-add-ns-to-blank-clj-files nil ; use lsp
cljr-magic-require-namespaces
'(("s" . "schema.core")
("pp" . "clojure.pprint"))))
(use-package clj-deps-new
;; Emacs interface to deps-new (like lein new for Leiningen, or clj-new for Boot)
;; ref: https://github.com/jpe90/emacs-clj-deps-new
:blackout)
;; Javascript / Typescript development
;; Use the `ts-ls' server recommended in the official lsp-mode documentation
;; cf. https://emacs-lsp.github.io/lsp-mode/page/lsp-typescript/
(use-package typescript-mode
;; NOTE: development has halted for this mode, because of how
;; complex TS and TSX parsing has become. They recommend using treesitter
;; powered `typescript-ts-mode' that is built into Emacs 29.
;; h/t systemcrafters
;; https://systemcrafters.net/emacs-from-scratch/build-your-own-ide-with-lsp-mode/#typescript
;; ALTERNATIVE:
;; If this doesn't work well, install tree-sitter and ts/tsx support
;; https://vxlabs.com/2022/06/12/typescript-development-with-emacs-tree-sitter-and-lsp-in-2022/
:mode "\\.ts\\'"
:hook (typescript-mode . lsp-deferred)
:config
(setq typescript-indent-level 2))
;; DATABASES
(use-package sqlformat
;; https://github.com/purcell/sqlformat
;; with sqlfluff (pip installed for user) https://github.com/sqlfluff/sqlfluff
:hook (sql-mode . sqlformat-on-save-mode)
:config
(setq sqlformat-command 'sqlfluff)
(setq sqlformat-args '("--dialect" "postgres"))
:blackout)
;; WEB DEVELOPMENT
(use-package web-mode
:config
;; for config ref: bbatsov/prelude/modules/prelude-web.el
;; e.g. to set web-mode for templating languages,
;; to define new smartparen pairs etc.
(setq web-mode-enable-auto-pairing nil) ; play nice with smartparens
(add-to-list 'auto-mode-alist '("\\.html?\\'" . web-mode))
:blackout)
(use-package json-mode
:blackout)
(use-package js2-mode
:blackout)
;; DOCUMENTATION FORMATS
(use-package adoc-mode
:blackout)
;; INFORMATION OVERDOSING
(use-package elfeed
;; https://github.com/skeeto/elfeed
;; To search feeds, open elfeed search view, hit `s' and type a query
;; in the minibuffer. For example:
;;
;; @6-months-ago +unread
;; Only show unread entries of the last six months. This is the default filter.
;;
;; linu[xs] @1-year-old