git.shemshak.org - ~bandali/configs/blob - init.org

   1 #+title: =aminb='s Literate Emacs Configuration
   2 #+author: Amin Bandali
   3 #+babel: :cache yes
   4 #+property: header-args :tangle yes
   5
   6 * About
   7 :PROPERTIES:
   8 :CUSTOM_ID: about
   9 :END:
  10
  11 This org file is my literate configuration for GNU Emacs, and is
  12 tangled to [[./init.el][init.el]]. Packages are installed and managed using
  13 [[https://github.com/emacscollective/borg][Borg]]. Over the years, I've taken inspiration from configurations of
  14 many different people. Some of the configurations that I can remember
  15 off the top of my head are:
  16
  17 - [[https://github.com/dieggsy/dotfiles][dieggsy/dotfiles]]: literate Emacs and dotfiles configuration, uses
  18   straight.el for managing packages
  19 - [[https://github.com/dakra/dmacs][dakra/dmacs]]: literate Emacs configuration, using Borg for managing
  20   packages
  21 - [[http://pages.sachachua.com/.emacs.d/Sacha.html][Sacha Chua's literate Emacs configuration]]
  22 - [[https://github.com/dakrone/eos][dakrone/eos]]
  23 - Ryan Rix's [[http://doc.rix.si/cce/cce.html][Complete Computing Environment]] ([[http://doc.rix.si/projects/fsem.html][about cce]])
  24 - [[https://github.com/jwiegley/dot-emacs][jwiegley/dot-emacs]]: nix-based configuration
  25 - [[https://github.com/wasamasa/dotemacs][wasamasa/dotemacs]]
  26 - [[https://github.com/hlissner/doom-emacs][Doom Emacs]]
  27
  28 I'd like to have a fully reproducible Emacs setup (part of the reason
  29 why I store my configuration in this repository) but unfortunately out
  30 of the box, that's not achievable with =package.el=, not currently
  31 anyway. So, I've opted to use Borg. For what it's worth, I briefly
  32 experimented with [[https://github.com/raxod502/straight.el][straight.el]], but found that it added about 2 seconds
  33 to my init time; which is unacceptable for me: I use Emacs as my
  34 window manager (via EXWM) and coming from bspwm, I'm too used to
  35 having fast startup times.
  36
  37 ** Installation
  38
  39 To use this config for your Emacs, first you need to clone this repo,
  40 then bootstrap Borg, tell Borg to retrieve package submodules, and
  41 byte-compiled the packages. Something along these lines should work:
  42
  43 #+begin_src sh :tangle no
  44 git clone https://github.com/aminb/dotfiles ~/.emacs.d
  45 cd ~/.emacs.d
  46 make bootstrap-borg
  47 make bootstrap
  48 make build
  49 #+end_src
  50
  51 * Contents                                                   :toc_1:noexport:
  52
  53 - [[#about][About]]
  54 - [[#header][Header]]
  55 - [[#initial-setup][Initial setup]]
  56 - [[#core][Core]]
  57 - [[#post-initialization][Post initialization]]
  58 - [[#footer][Footer]]
  59
  60 * Header
  61 :PROPERTIES:
  62 :CUSTOM_ID: header
  63 :END:
  64
  65 ** First line
  66
  67 #+begin_src emacs-lisp :comments none
  68 ;;; init.el --- Amin Bandali's Emacs config -*- lexical-binding: t ; eval: (view-mode 1)-*-
  69 #+end_src
  70
  71 Enable =view-mode=, which both makes the file read-only (as a reminder
  72 that =init.el= is an auto-generated file, not supposed to be edited),
  73 and provides some convenient key bindings for browsing through the
  74 file.
  75
  76 ** License
  77
  78 #+begin_src emacs-lisp :comments none
  79 ;; Copyright (C) 2018  Amin Bandali <amin@aminb.org>
  80
  81 ;; This program is free software: you can redistribute it and/or modify
  82 ;; it under the terms of the GNU General Public License as published by
  83 ;; the Free Software Foundation, either version 3 of the License, or
  84 ;; (at your option) any later version.
  85
  86 ;; This program is distributed in the hope that it will be useful,
  87 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  88 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  89 ;; GNU General Public License for more details.
  90
  91 ;; You should have received a copy of the GNU General Public License
  92 ;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
  93 #+end_src
  94
  95 ** Commentary
  96
  97 #+begin_src emacs-lisp :comments none
  98 ;;; Commentary:
  99
 100 ;; Emacs configuration of Amin Bandali, computer scientist and functional
 101 ;; programmer.
 102
 103 ;; THIS FILE IS AUTO-GENERATED FROM `init.org'.
 104 #+end_src
 105
 106 ** Naming conventions
 107
 108 The conventions below were inspired by [[https://github.com/hlissner/doom-emacs][Doom]]'s, found [[https://github.com/hlissner/doom-emacs/blob/5dacbb7cb1c6ac246a9ccd15e6c4290def67757c/core/core.el#L3-L17][here]].
 109
 110 #+begin_src emacs-lisp :comments none
 111 ;; Naming conventions:
 112 ;;
 113 ;;   amin-...   public variables or non-interactive functions
 114 ;;   amin--...  private anything (non-interactive), not safe for direct use
 115 ;;   amin/...   an interactive function; safe for M-x or keybinding
 116 ;;   amin:...   an evil operator, motion, or command
 117 ;;   amin|...   a hook function
 118 ;;   amin*...   an advising function
 119 ;;   amin@...   a hydra command
 120 ;;   ...!       a macro
 121 #+end_src
 122
 123 * Initial setup
 124 :PROPERTIES:
 125 :CUSTOM_ID: initial-setup
 126 :END:
 127
 128 #+begin_src emacs-lisp :comments none
 129 ;;; Code:
 130 #+end_src
 131
 132 ** Emacs initialization
 133
 134 I'd like to do a couple of measurements of Emacs' startup time. First,
 135 let's see how long Emacs takes to start up, before even loading
 136 =init.el=, i.e. =user-init-file=:
 137
 138 #+begin_src emacs-lisp
 139 (defvar amin--before-user-init-time (current-time)
 140   "Value of `current-time' when Emacs begins loading `user-init-file'.")
 141 (message "Loading Emacs...done (%.3fs)"
 142          (float-time (time-subtract amin--before-user-init-time
 143                                     before-init-time)))
 144 #+end_src
 145
 146 Also, temporarily increase ~gc-cons-threshhold~ and
 147 ~gc-cons-percentage~ during startup to reduce garbage collection
 148 frequency. Clearing the ~file-name-handler-alist~ seems to help reduce
 149 startup time as well.
 150
 151 #+begin_src emacs-lisp
 152 (defvar amin--gc-cons-threshold gc-cons-threshold)
 153 (defvar amin--gc-cons-percentage gc-cons-percentage)
 154 (defvar amin--file-name-handler-alist file-name-handler-alist)
 155 (setq gc-cons-threshold (* 400 1024 1024)  ; 400 MiB
 156       gc-cons-percentage 0.6
 157       file-name-handler-alist nil
 158       ;; sidesteps a bug when profiling with esup
 159       esup-child-profile-require-level 0)
 160 #+end_src
 161
 162 Of course, we'd like to set them back to their defaults once we're
 163 done initializing.
 164
 165 #+begin_src emacs-lisp
 166 (add-hook
 167  'after-init-hook
 168  (lambda ()
 169    (setq gc-cons-threshold amin--gc-cons-threshold
 170          gc-cons-percentage amin--gc-cons-percentage
 171          file-name-handler-alist amin--file-name-handler-alist)))
 172 #+end_src
 173
 174 Increase the number of lines kept in message logs (the =*Messages*=
 175 buffer).
 176
 177 #+begin_src emacs-lisp
 178 (setq message-log-max 20000)
 179 #+end_src
 180
 181 Optionally, we could suppress some byte compiler warnings like below,
 182 but for now I've decided to keep them enabled. See documentation for
 183 ~byte-compile-warnings~ for more details.
 184
 185 #+begin_src emacs-lisp
 186 ;; (setq byte-compile-warnings
 187 ;;       '(not free-vars unresolved noruntime lexical make-local))
 188 #+end_src
 189
 190 ** whoami
 191
 192 #+begin_src emacs-lisp
 193 (setq user-full-name "Amin Bandali"
 194       user-mail-address "amin@aminb.org")
 195 #+end_src
 196
 197 ** Package management
 198
 199 *** No =package.el=
 200
 201 I can do all my package management things with Borg, and don't need
 202 Emacs' built-in =package.el=. Emacs 27 lets us disable =package.el= in
 203 the =early-init-file= (see [[https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=24acb31c04b4048b85311d794e600ecd7ce60d3b][here]]).
 204
 205 #+begin_src emacs-lisp :tangle early-init.el
 206 (setq package-enable-at-startup nil)
 207 #+end_src
 208
 209 But since Emacs 27 isn't out yet (Emacs 26 is just around the corner
 210 right now), and even when released it'll be long before most distros
 211 ship in their repos, I'll still put the old workaround with the
 212 commented call to ~package-initialize~ here anyway.
 213
 214 #+begin_src emacs-lisp
 215 (setq package-enable-at-startup nil)
 216 ;; (package-initialize)
 217 #+end_src
 218
 219 *** Borg
 220
 221 #+begin_quote
 222 Assimilate Emacs packages as Git submodules
 223 #+end_quote
 224
 225 [[https://github.com/emacscollective/borg][Borg]] is at the heart of package management of my Emacs setup. In
 226 short, it creates a git submodule in =lib/= for each package, which
 227 can then be managed with the help of Magit or other tools.
 228
 229 #+begin_src emacs-lisp
 230 (setq user-init-file (or load-file-name buffer-file-name)
 231       user-emacs-directory (file-name-directory user-init-file))
 232 (add-to-list 'load-path
 233              (expand-file-name "lib/borg" user-emacs-directory))
 234 (require 'borg)
 235 (borg-initialize)
 236
 237 ;; (require 'borg-nix-shell)
 238 ;; (setq borg-build-shell-command 'borg-nix-shell-build-command)
 239
 240 (with-eval-after-load 'bind-key
 241   (bind-keys
 242    :package borg
 243    ("C-c B A" . borg-activate)
 244    ("C-c B a" . borg-assimilate)
 245    ("C-c B b" . borg-build)
 246    ("C-c B c" . borg-clone)))
 247 #+end_src
 248
 249 *** =use-package=
 250
 251 #+begin_quote
 252 A use-package declaration for simplifying your .emacs
 253 #+end_quote
 254
 255 [[https://github.com/jwiegley/use-package][use-package]] is an awesome utility for managing and configuring
 256 packages (in our case especially the latter) in a neatly organized way
 257 and without compromising on performance.
 258
 259 #+begin_src emacs-lisp
 260 (require 'use-package)
 261 (if nil  ; set to t when need to debug init
 262     (setq use-package-verbose t
 263           use-package-expand-minimally nil
 264           use-package-compute-statistics t
 265           debug-on-error t)
 266   (setq use-package-verbose nil
 267         use-package-expand-minimally t))
 268 #+end_src
 269
 270 *** Epkg
 271
 272 #+begin_quote
 273 Browse the Emacsmirror package database
 274 #+end_quote
 275
 276 Epkg provides access to a local copy of the [[https://emacsmirror.net][Emacsmirror]] package
 277 database, low-level functions for querying the database, and a
 278 =package.el=-like user interface for browsing the available packages.
 279
 280 #+begin_src emacs-lisp
 281 (use-package epkg
 282   :defer t
 283   :bind
 284   (("C-c B d" . epkg-describe-package)
 285    ("C-c B p" . epkg-list-packages)
 286    ("C-c B r" . borg-remove)
 287    ("C-c B u" . epkg-update)))
 288 #+end_src
 289
 290 ** No littering in =~/.emacs.d=
 291
 292 #+begin_quote
 293 Help keeping ~/.emacs.d clean
 294 #+end_quote
 295
 296 By default, even for Emacs' built-in packages, the configuration files
 297 and persistent data are all over the place. Use =no-littering= to help
 298 contain the mess.
 299
 300 #+begin_src emacs-lisp
 301 (use-package no-littering
 302   :demand t
 303   :config
 304   (savehist-mode 1)
 305   (add-to-list 'savehist-additional-variables 'kill-ring)
 306   (save-place-mode 1)
 307   (setq auto-save-file-name-transforms
 308         `((".*" ,(no-littering-expand-var-file-name "auto-save/") t))))
 309 #+end_src
 310
 311 ** Custom file (=custom.el=)
 312
 313 I'm not planning on using the custom file much, but even so, I
 314 definitely don't want it mixing with =init.el=. So, here; let's give
 315 it it's own file. While at it, treat themes as safe.
 316
 317 #+begin_src emacs-lisp
 318 (use-package custom
 319   :no-require t
 320   :config
 321   (setq custom-file (no-littering-expand-etc-file-name "custom.el"))
 322   (when (file-exists-p custom-file)
 323     (load custom-file))
 324   (setf custom-safe-themes t))
 325 #+end_src
 326
 327 ** Better =$PATH= handling
 328
 329 Let's use [[https://github.com/purcell/exec-path-from-shell][exec-path-from-shell]] to make Emacs use the =$PATH= as set up
 330 in my shell.
 331
 332 #+begin_src emacs-lisp
 333 (use-package exec-path-from-shell
 334   :defer 1
 335   :init
 336   (setq exec-path-from-shell-check-startup-files nil)
 337   :config
 338   (exec-path-from-shell-initialize)
 339   ;; while we're at it, let's fix access to our running ssh-agent
 340   (exec-path-from-shell-copy-env "SSH_AGENT_PID")
 341   (exec-path-from-shell-copy-env "SSH_AUTH_SOCK"))
 342 #+end_src
 343
 344 ** Only one custom theme at a time
 345
 346 #+begin_src emacs-lisp
 347 (defadvice load-theme (before clear-previous-themes activate)
 348   "Clear existing theme settings instead of layering them"
 349   (mapc #'disable-theme custom-enabled-themes))
 350 #+end_src
 351
 352 ** Server
 353
 354 Start server if not already running. Alternatively, can be done by
 355 issuing =emacs --daemon= in the terminal, which can be automated with
 356 a systemd service or using =brew services start emacs= on macOS. I use
 357 Emacs as my window manager (via EXWM), so I always start Emacs on
 358 login; so starting the server from inside Emacs is good enough for me.
 359
 360 See [[https://www.gnu.org/software/emacs/manual/html_node/emacs/Emacs-Server.html#Emacs-Server][Using Emacs as a Server]].
 361
 362 #+begin_src emacs-lisp
 363 (use-package server
 364   :config (or (server-running-p) (server-mode)))
 365 #+end_src
 366
 367 ** Unicode support
 368
 369 Font stack with better unicode support, around =Ubuntu Mono= and
 370 =Hack=.
 371
 372 #+begin_src emacs-lisp
 373 (dolist (ft (fontset-list))
 374   (set-fontset-font
 375    ft
 376    'unicode
 377    (font-spec :name "Ubuntu Mono"))
 378   (set-fontset-font
 379    ft
 380    'unicode
 381    (font-spec :name "DejaVu Sans Mono")
 382    nil
 383    'append)
 384   ;; (set-fontset-font
 385   ;;  ft
 386   ;;  'unicode
 387   ;;  (font-spec
 388   ;;   :name "Symbola monospacified for DejaVu Sans Mono")
 389   ;;  nil
 390   ;;  'append)
 391   ;; (set-fontset-font
 392   ;;  ft
 393   ;;  #x2115  ; ℕ
 394   ;;  (font-spec :name "DejaVu Sans Mono")
 395   ;;  nil
 396   ;;  'append)
 397   (set-fontset-font
 398    ft
 399    (cons ?Α ?ω)
 400    (font-spec :name "DejaVu Sans Mono" :size 14)
 401    nil
 402    'prepend))
 403 #+end_src
 404
 405 ** Gentler font resizing
 406
 407 #+begin_src emacs-lisp
 408 (setq text-scale-mode-step 1.05)
 409 #+end_src
 410
 411 ** Libraries
 412
 413 #+begin_src emacs-lisp
 414 (require 'cl-lib)
 415 (require 'subr-x)
 416 #+end_src
 417
 418 ** Useful utilities
 419
 420 #+begin_src emacs-lisp
 421 (defun amin-enlist (exp)
 422   "Return EXP wrapped in a list, or as-is if already a list."
 423 (if (listp exp) exp (list exp)))
 424
 425 ; from https://github.com/hlissner/doom-emacs/commit/589108fdb270f24a98ba6209f6955fe41530b3ef
 426 (defmacro after! (features &rest body)
 427   "A smart wrapper around `with-eval-after-load'. Supresses warnings during
 428 compilation."
 429   (declare (indent defun) (debug t))
 430   (list (if (or (not (bound-and-true-p byte-compile-current-file))
 431                 (dolist (next (amin-enlist features))
 432                   (if (symbolp next)
 433                       (require next nil :no-error)
 434                     (load next :no-message :no-error))))
 435             #'progn
 436           #'with-no-warnings)
 437         (cond ((symbolp features)
 438                `(eval-after-load ',features '(progn ,@body)))
 439               ((and (consp features)
 440                     (memq (car features) '(:or :any)))
 441                `(progn
 442                   ,@(cl-loop for next in (cdr features)
 443                              collect `(after! ,next ,@body))))
 444               ((and (consp features)
 445                     (memq (car features) '(:and :all)))
 446                (dolist (next (cdr features))
 447                  (setq body `(after! ,next ,@body)))
 448                body)
 449               ((listp features)
 450                `(after! (:all ,@features) ,@body)))))
 451 #+end_src
 452
 453 Convenience macro for =setq='ing multiple variables to the same value:
 454
 455 #+begin_src emacs-lisp
 456 (defmacro setq-every! (value &rest vars)
 457   "Set all the variables from VARS to value VALUE."
 458   (declare (indent defun) (debug t))
 459   `(progn ,@(mapcar (lambda (x) (list 'setq x value)) vars)))
 460 #+end_src
 461
 462 * Core
 463 :PROPERTIES:
 464 :CUSTOM_ID: core
 465 :END:
 466
 467 ** Defaults
 468
 469 *** Time and battery in mode-line
 470
 471 Enable displaying time and battery in the mode-line, since I'm not
 472 using the Xfce panel anymore. Also, I don't need to see the load
 473 average on a regular basis, so disable that.
 474
 475 Note: using =i3status= on sway at the moment, so disabling this.
 476
 477 #+begin_src emacs-lisp :tangle no
 478 (use-package time
 479   :init
 480   (setq display-time-default-load-average nil)
 481   :config
 482   (display-time-mode))
 483
 484 (use-package battery
 485   :config
 486   (display-battery-mode))
 487 #+end_src
 488
 489 *** Smaller fringe
 490
 491 Might want to set the fringe to a smaller value, especially if using
 492 EXWM. I'm fine with the default for now.
 493
 494 #+begin_src emacs-lisp
 495 ;; (fringe-mode '(3 . 1))
 496 (fringe-mode nil)
 497 #+end_src
 498
 499 *** Disable disabled commands
 500
 501 Emacs disables some commands by default that could persumably be
 502 confusing for novice users. Let's disable that.
 503
 504 #+begin_src emacs-lisp
 505 (setq disabled-command-function nil)
 506 #+end_src
 507
 508 *** Kill-ring
 509
 510 Save what I copy into clipboard from other applications into Emacs'
 511 kill-ring, which would allow me to still be able to easily access it
 512 in case I kill (cut or copy) something else inside Emacs before
 513 yanking (pasting) what I'd originally intended to.
 514
 515 #+begin_src emacs-lisp
 516 (setq save-interprogram-paste-before-kill t)
 517 #+end_src
 518
 519 *** Minibuffer
 520
 521 #+begin_src emacs-lisp
 522 (setq enable-recursive-minibuffers t
 523       resize-mini-windows t)
 524 #+end_src
 525
 526 *** Lazy-person-friendly yes/no prompts
 527
 528 Lazy people would prefer to type fewer keystrokes, especially for yes
 529 or no questions. I'm lazy.
 530
 531 #+begin_src emacs-lisp
 532 (defalias 'yes-or-no-p #'y-or-n-p)
 533 #+end_src
 534
 535 *** Startup screen and =*scratch*=
 536
 537 Firstly, let Emacs know that I'd like to have =*scratch*= as my
 538 startup buffer.
 539
 540 #+begin_src emacs-lisp
 541 (setq initial-buffer-choice t)
 542 #+end_src
 543
 544 Now let's customize the =*scratch*= buffer a bit. First off, I don't
 545 need the default hint.
 546
 547 #+begin_src emacs-lisp
 548 (setq initial-scratch-message nil)
 549 #+end_src
 550
 551 Also, let's use Text mode as the major mode, in case I want to
 552 customize it (=*scratch*='s default major mode, Fundamental mode,
 553 can't really be customized).
 554
 555 #+begin_src emacs-lisp
 556 (setq initial-major-mode 'text-mode)
 557 #+end_src
 558
 559 Inhibit the buffer list when more than 2 files are loaded.
 560
 561 #+begin_src emacs-lisp
 562 (setq inhibit-startup-buffer-menu t)
 563 #+end_src
 564
 565 I don't really need to see the startup screen or echo area message
 566 either.
 567
 568 #+begin_src emacs-lisp
 569 (advice-add #'display-startup-echo-area-message :override #'ignore)
 570 (setq inhibit-startup-screen t
 571       inhibit-startup-echo-area-message user-login-name)
 572 #+end_src
 573
 574 *** More useful frame titles
 575
 576 Show either the file name or the buffer name (in case the buffer isn't
 577 visiting a file). Borrowed from Emacs Prelude.
 578
 579 #+begin_src emacs-lisp
 580 (setq frame-title-format
 581       '("" invocation-name " - "
 582         (:eval (if (buffer-file-name)
 583                    (abbreviate-file-name (buffer-file-name))
 584                  "%b"))))
 585 #+end_src
 586
 587 *** Backups
 588
 589 Emacs' default backup settings aren't that great. Let's use more
 590 sensible options. See documentation for the ~make-backup-file~
 591 variable.
 592
 593 #+begin_src emacs-lisp
 594 (setq backup-by-copying t
 595       version-control t
 596       delete-old-versions t)
 597 #+end_src
 598
 599 *** Auto revert
 600
 601 Enable automatic reloading of changed buffers and files.
 602
 603 #+begin_src emacs-lisp
 604 (global-auto-revert-mode 1)
 605 (setq auto-revert-verbose nil
 606       global-auto-revert-non-file-buffers t)
 607 #+end_src
 608
 609 *** Always use space for indentation
 610
 611 #+begin_src emacs-lisp
 612 (setq-default
 613  indent-tabs-mode nil
 614  require-final-newline t
 615  tab-width 4)
 616 #+end_src
 617
 618 *** Winner mode
 619
 620 Enable =winner-mode=.
 621
 622 #+begin_src emacs-lisp
 623 (winner-mode 1)
 624 #+end_src
 625
 626 *** Close =*compilation*= on success
 627
 628 #+begin_src emacs-lisp
 629 (setq compilation-exit-message-function
 630       (lambda (status code msg)
 631         "Close the compilation window if successful."
 632         ;; if M-x compile exits with 0
 633          (when (and (eq status 'exit) (zerop code))
 634            (bury-buffer)
 635            (delete-window (get-buffer-window (get-buffer "*compilation*"))))
 636          ;; return the result of compilation-exit-message-function
 637          (cons msg code)))
 638 #+end_src
 639
 640 ** Bindings
 641
 642 #+begin_src emacs-lisp
 643 (bind-keys
 644  ("C-c b k" . kill-this-buffer)
 645  ("C-c s s" . save-buffer)
 646  ("C-c b s" . save-buffer)
 647  ("C-c S"   . save-buffer)
 648  ("C-c o"   . other-window)
 649  ("C-c q q" . save-buffers-kill-terminal))
 650 #+end_src
 651
 652 ** Packages
 653
 654 The packages in this section are absolutely essential to my everyday
 655 workflow, and they play key roles in how I do my computing. They
 656 immensely enhance the Emacs experience for me; both using Emacs, and
 657 customizing it.
 658
 659 *** [[https://github.com/emacscollective/auto-compile][auto-compile]]
 660
 661 #+begin_src emacs-lisp
 662 (use-package auto-compile
 663   :demand t
 664   :config
 665   (auto-compile-on-load-mode)
 666   (auto-compile-on-save-mode)
 667   (setq auto-compile-display-buffer               nil
 668         auto-compile-mode-line-counter            t
 669         auto-compile-source-recreate-deletes-dest t
 670         auto-compile-toggle-deletes-nonlib-dest   t
 671         auto-compile-update-autoloads             t)
 672   (add-hook 'auto-compile-inhibit-compile-hook
 673             'auto-compile-inhibit-compile-detached-git-head))
 674 #+end_src
 675
 676 *** [[https://orgmode.org/][Org mode]]
 677
 678 #+begin_quote
 679 Org mode is for keeping notes, maintaining TODO lists, planning
 680 projects, and authoring documents with a fast and effective plain-text
 681 system.
 682 #+end_quote
 683
 684 In short, my favourite way of life.
 685
 686 #+begin_src emacs-lisp
 687 (use-package org
 688   :config
 689   (setq org-src-tab-acts-natively t
 690         org-src-preserve-indentation nil
 691         org-edit-src-content-indentation 0
 692         org-log-done 'time)
 693   :hook (org-mode . org-indent-mode)
 694   :custom
 695   (org-latex-packages-alist '(("" "listings") ("" "color"))))
 696
 697 (use-package ox-latex
 698   :config
 699   (setq org-latex-listings 'listings)
 700   (add-to-list 'org-latex-packages-alist '("" "listings"))
 701   (add-to-list 'org-latex-packages-alist '("" "color"))
 702   (add-to-list 'org-latex-classes
 703                '("IEEEtran" "\\documentclass[11pt]{IEEEtran}"
 704                  ("\\section{%s}" . "\\section*{%s}")
 705                  ("\\subsection{%s}" . "\\subsection*{%s}")
 706                  ("\\subsubsection{%s}" . "\\subsubsection*{%s}")
 707                  ("\\paragraph{%s}" . "\\paragraph*{%s}")
 708                  ("\\subparagraph{%s}" . "\\subparagraph*{%s}"))
 709                t))
 710
 711 (use-package org-notmuch
 712   :after (:any org notmuch))
 713
 714 (use-package orgalist)
 715 #+end_src
 716
 717 **** asynchronous tangle
 718
 719 =amin/async-babel-tangle= is a function closely inspired by [[https://github.com/dieggsy/dotfiles/tree/cc10edf7701958eff1cd94d4081da544d882a28c/emacs.d#dotfiles][dieggsy's
 720 d/async-babel-tangle]] which uses [[https://github.com/jwiegley/emacs-async][async]] to asynchronously tangle an org
 721 file.
 722
 723 #+begin_src emacs-lisp
 724 (after! org
 725   (defvar amin-show-async-tangle-results nil
 726     "Keep *emacs* async buffers around for later inspection.")
 727
 728   (defvar amin-show-async-tangle-time nil
 729     "Show the time spent tangling the file.")
 730
 731   (defvar amin-async-tangle-post-compile "make ti"
 732     "If non-nil, pass to `compile' after successful tangle.")
 733
 734   (defun amin/async-babel-tangle ()
 735     "Tangle org file asynchronously."
 736     (interactive)
 737     (let* ((file-tangle-start-time (current-time))
 738            (file (buffer-file-name))
 739            (file-nodir (file-name-nondirectory file))
 740            (async-quiet-switch "-q"))
 741       (async-start
 742        `(lambda ()
 743           (require 'org)
 744           (org-babel-tangle-file ,file))
 745        (unless amin-show-async-tangle-results
 746          `(lambda (result)
 747             (if result
 748                 (progn
 749                   (message "Tangled %s%s"
 750                            ,file-nodir
 751                            (if amin-show-async-tangle-time
 752                                (format " (%.3fs)"
 753                                        (float-time (time-subtract (current-time)
 754                                                                   ',file-tangle-start-time)))
 755                              ""))
 756                   (when amin-async-tangle-post-compile
 757                     (compile amin-async-tangle-post-compile)))
 758               (message "Tangling %s failed" ,file-nodir))))))))
 759
 760 (add-to-list
 761  'safe-local-variable-values
 762  '(eval add-hook 'after-save-hook #'amin/async-babel-tangle 'append 'local))
 763 #+end_src
 764
 765 *** [[https://magit.vc/][Magit]]
 766
 767 #+begin_quote
 768 It's Magit! A Git porcelain inside Emacs.
 769 #+end_quote
 770
 771 Not just how I do git, but /the/ way to do git.
 772
 773 #+begin_src emacs-lisp
 774 (use-package magit
 775   :defer t
 776   :bind
 777   (("s-g"   . magit-dispatch-popup)
 778    ("C-x g" . magit-status)
 779    :prefix-map amin--magit-prefix-map
 780    :prefix "C-c g"
 781    ("SPC" . magit-status)
 782    ("s"   . magit-status)
 783    ("S"   . magit-status-prefix)
 784    ("B"   . magit-blame)
 785    ("C"   . magit-clone)
 786    ("f"   . magit-fetch)
 787    ("F"   . magit-pull)
 788    ("P"   . magit-push)
 789    ("p"   . magit-dispatch-popup)
 790    ("c c" . magit-commit)
 791    ("c a" . magit-commit-amend)
 792    ("b b" . magit-checkout)
 793    ("b c" . magit-branch))
 794   :config
 795   (magit-add-section-hook 'magit-status-sections-hook
 796                           'magit-insert-modules
 797                           'magit-insert-stashes
 798                           'append))
 799 #+end_src
 800
 801 *** [[https://github.com/abo-abo/swiper][Ivy]] (and friends)
 802
 803 #+begin_quote
 804 Ivy - a generic completion frontend for Emacs, Swiper - isearch with
 805 an overview, and more. Oh, man!
 806 #+end_quote
 807
 808 There's no way I could top that, so I won't attempt to.
 809
 810 **** Ivy
 811
 812 #+begin_src emacs-lisp
 813 (use-package ivy
 814   :defer 1
 815   :bind
 816   (("C-c b b" . ivy-switch-buffer)
 817    :map ivy-minibuffer-map
 818    ([escape] . keyboard-escape-quit)
 819    ([S-up]   . ivy-previous-history-element)
 820    ([S-down] . ivy-next-history-element)
 821    ("DEL"    . ivy-backward-delete-char))
 822   :config
 823   (setq ivy-wrap t)
 824   (ivy-mode 1))
 825 #+end_src
 826
 827 **** Swiper
 828
 829 #+begin_src emacs-lisp
 830 (use-package swiper
 831   :bind (([remap isearch-forward]  . swiper)
 832          ([remap isearch-backward] . swiper)))
 833 #+end_src
 834
 835 **** Counsel
 836
 837 #+begin_src emacs-lisp
 838 (use-package counsel
 839   :defer 1
 840   :bind (([remap execute-extended-command] . counsel-M-x)
 841          ([remap find-file]                . counsel-find-file)
 842          ("s-r"                            . counsel-recentf)
 843          ("C-c x"                          . counsel-M-x)
 844          ("C-c f ."                        . counsel-find-file)
 845          ("C-c f r"                        . counsel-recentf)
 846          :map minibuffer-local-map
 847          ("C-r" . counsel-minibuffer-history))
 848   :config
 849   (counsel-mode 1)
 850   (defalias 'locate #'counsel-locate))
 851 #+end_src
 852
 853 *** eshell
 854
 855 #+begin_src emacs-lisp
 856 (use-package eshell
 857   :commands eshell
 858   :config
 859   (eval-when-compile (defvar eshell-prompt-regexp))
 860   (defun amin/eshell-quit-or-delete-char (arg)
 861     (interactive "p")
 862     (if (and (eolp) (looking-back eshell-prompt-regexp nil))
 863         (eshell-life-is-too-much)
 864       (delete-char arg)))
 865
 866   (defun amin/eshell-clear ()
 867     (interactive)
 868     (let ((inhibit-read-only t))
 869       (erase-buffer))
 870     (eshell-send-input))
 871
 872   (defun amin|eshell-setup ()
 873     (bind-keys :map eshell-mode-map
 874                ("C-d" . amin/eshell-quit-or-delete-char)
 875                ("C-l" . amin/eshell-clear)))
 876
 877   :hook (eshell-mode . amin|eshell-setup))
 878 #+end_src
 879
 880 *** Ibuffer
 881
 882 #+begin_src emacs-lisp
 883 (use-package ibuffer
 884   :bind
 885   (("C-x C-b" . ibuffer-other-window)
 886    ("C-c b B" . ibuffer-other-window)
 887    :map ibuffer-mode-map
 888    ("P"   . ibuffer-backward-filter-group)
 889    ("N"   . ibuffer-forward-filter-group)
 890    ("M-p" . ibuffer-do-print)
 891    ("M-n" . ibuffer-do-shell-command-pipe-replace))
 892   :config
 893   ;; Use human readable Size column instead of original one
 894   (define-ibuffer-column size-h
 895     (:name "Size" :inline t)
 896     (cond
 897      ((> (buffer-size) 1000000) (format "%7.1fM" (/ (buffer-size) 1000000.0)))
 898      ((> (buffer-size) 100000) (format "%7.0fk" (/ (buffer-size) 1000.0)))
 899      ((> (buffer-size) 1000) (format "%7.1fk" (/ (buffer-size) 1000.0)))
 900      (t (format "%8d" (buffer-size)))))
 901   :custom
 902   (ibuffer-saved-filter-groups
 903    '(("default"
 904       ("dired" (mode . dired-mode))
 905       ("org"   (name . "^.*org$"))
 906       ("web"
 907        (or
 908         (mode . web-mode)
 909         (mode . css-mode)
 910         (mode . scss-mode)
 911         (mode . js2-mode)))
 912       ("shell"
 913        (or
 914         (mode . eshell-mode)
 915         (mode . shell-mode)))
 916       ("notmuch" (name . "\*notmuch\*"))
 917       ("programming"
 918        (or
 919         (mode . python-mode)
 920         (mode . c++-mode)
 921         (mode . emacs-lisp-mode)))
 922       ("emacs"
 923        (or
 924         (name . "^\\*scratch\\*$")
 925         (name . "^\\*Messages\\*$"))))))
 926   (ibuffer-formats
 927    '((mark modified read-only locked " "
 928            (name 18 18 :left :elide)
 929            " "
 930            (size-h 9 -1 :right)
 931            " "
 932            (mode 16 16 :left :elide)
 933            " " filename-and-process)
 934      (mark " "
 935            (name 16 -1)
 936            " " filename)))
 937   :hook (ibuffer . (lambda () (ibuffer-switch-to-saved-filter-groups "default"))))
 938 #+end_src
 939
 940 *** Outline
 941
 942 #+begin_src emacs-lisp
 943 (use-package outline
 944   :hook (prog-mode . outline-minor-mode)
 945   :bind
 946   (:map
 947    outline-minor-mode-map
 948    ("<s-tab>"  . outline-toggle-children)
 949    ("s-p"      . outline-previous-visible-heading)
 950    ("s-n"      . outline-next-visible-heading)
 951    :prefix-map amin--outline-prefix-map
 952    :prefix "s-o"
 953    ("TAB" . outline-toggle-children)
 954    ("a"   . outline-hide-body)
 955    ("H"   . outline-hide-body)
 956    ("S"   . outline-show-all)
 957    ("h"   . outline-hide-subtree)
 958    ("s"   . outline-show-subtree)))
 959 #+end_src
 960
 961 * Borg's =layer/essentials=
 962
 963 TODO: break this giant source block down into individual org sections.
 964
 965 #+begin_src emacs-lisp
 966 (use-package dash
 967   :config (dash-enable-font-lock))
 968
 969 (use-package diff-hl
 970   :config
 971   (setq diff-hl-draw-borders nil)
 972   (global-diff-hl-mode)
 973   (add-hook 'magit-post-refresh-hook 'diff-hl-magit-post-refresh t))
 974
 975 (use-package dired
 976   :defer t
 977   :config (setq dired-listing-switches "-alh"))
 978
 979 (use-package eldoc
 980   :when (version< "25" emacs-version)
 981   :config (global-eldoc-mode))
 982
 983 (use-package help
 984   :defer t
 985   :config (temp-buffer-resize-mode))
 986
 987 (progn ;    `isearch'
 988   (setq isearch-allow-scroll t))
 989
 990 (use-package lisp-mode
 991   :config
 992   (add-hook 'emacs-lisp-mode-hook 'outline-minor-mode)
 993   (add-hook 'emacs-lisp-mode-hook 'reveal-mode)
 994   (defun indent-spaces-mode ()
 995     (setq indent-tabs-mode nil))
 996   (add-hook 'lisp-interaction-mode-hook #'indent-spaces-mode))
 997
 998 (use-package man
 999   :defer t
1000   :config (setq Man-width 80))
1001
1002 (use-package paren
1003   :config (show-paren-mode))
1004
1005 (use-package prog-mode
1006   :config (global-prettify-symbols-mode)
1007   (defun indicate-buffer-boundaries-left ()
1008     (setq indicate-buffer-boundaries 'left))
1009   (add-hook 'prog-mode-hook #'indicate-buffer-boundaries-left))
1010
1011 (use-package recentf
1012   :demand t
1013   :config
1014   (add-to-list 'recentf-exclude "^/\\(?:ssh\\|su\\|sudo\\)?:")
1015   (setq recentf-max-saved-items 40))
1016
1017 (use-package savehist
1018   :config (savehist-mode))
1019
1020 (use-package saveplace
1021   :when (version< "25" emacs-version)
1022   :config (save-place-mode))
1023
1024 (use-package simple
1025   :config (column-number-mode))
1026
1027 (progn ;    `text-mode'
1028   (add-hook 'text-mode-hook #'indicate-buffer-boundaries-left))
1029
1030 (use-package tramp
1031   :defer t
1032   :config
1033   (add-to-list 'tramp-default-proxies-alist '(nil "\\`root\\'" "/ssh:%h:"))
1034   (add-to-list 'tramp-default-proxies-alist '("localhost" nil nil))
1035   (add-to-list 'tramp-default-proxies-alist
1036                (list (regexp-quote (system-name)) nil nil)))
1037
1038 (use-package undo-tree
1039   :bind (("C-?" . undo-tree-undo)
1040          ("M-_" . undo-tree-redo))
1041   :config
1042   (global-undo-tree-mode)
1043   (setq undo-tree-mode-lighter ""
1044         undo-tree-auto-save-history t))
1045 #+end_src
1046
1047 * Editing
1048
1049 ** Company
1050
1051 #+begin_src emacs-lisp
1052 (use-package company
1053   :defer 5
1054   :bind
1055   (:map company-active-map
1056         ([tab] . company-complete-common-or-cycle))
1057   :custom
1058   (company-idle-delay 0.3)
1059   (company-minimum-prefix-length 1)
1060   (company-selection-wrap-around t)
1061   (company-dabbrev-char-regexp "\\sw\\|\\s_\\|[-_]")
1062   (company-dabbrev-downcase nil)
1063   (company-dabbrev-ignore-case nil)
1064   :config
1065   (global-company-mode t))
1066 #+end_src
1067
1068 * Syntax and spell checking
1069 #+begin_src emacs-lisp
1070 (use-package flycheck
1071   :hook (prog-mode . flycheck-mode)
1072   :config
1073   ;; Use the load-path from running Emacs when checking elisp files
1074   (setq flycheck-emacs-lisp-load-path 'inherit)
1075
1076   ;; Only flycheck when I actually save the buffer
1077   (setq flycheck-check-syntax-automatically '(mode-enabled save)))
1078 #+end_src
1079 * Programming modes
1080
1081 ** [[http://alloytools.org][Alloy]] (with [[https://github.com/dwwmmn/alloy-mode][alloy-mode]])
1082
1083 #+begin_src emacs-lisp
1084 (use-package alloy-mode
1085   :config (setq alloy-basic-offset 2))
1086 #+end_src
1087
1088 ** [[https://coq.inria.fr][Coq]] (with [[https://github.com/ProofGeneral/PG][Proof General]])
1089
1090 #+begin_src emacs-lisp
1091 (use-package proof-site  ; Proof General
1092   :load-path "lib/proof-site/generic/")
1093 #+end_src
1094
1095 ** [[https://leanprover.github.io][Lean]] (with [[https://github.com/leanprover/lean-mode][lean-mode]])
1096
1097 #+begin_src emacs-lisp
1098 (eval-when-compile (defvar lean-mode-map))
1099 (use-package lean-mode
1100   :bind (:map lean-mode-map
1101               ("S-SPC" . company-complete)))
1102 #+end_src
1103
1104 ** Haskell
1105
1106 *** [[https://github.com/haskell/haskell-mode][haskell-mode]]
1107
1108 #+begin_src emacs-lisp
1109 (use-package haskell-mode
1110   :config
1111   (setq haskell-indentation-layout-offset 4
1112         haskell-indentation-left-offset 4
1113         flycheck-checker 'haskell-hlint
1114         flycheck-disabled-checkers '(haskell-stack-ghc haskell-ghc)))
1115 #+end_src
1116
1117 *** [[https://github.com/jyp/dante][dante]]
1118
1119 #+begin_src emacs-lisp
1120 (use-package dante
1121   :after haskell-mode
1122   :commands dante-mode
1123   :hook (haskell-mode . dante-mode))
1124 #+end_src
1125
1126 *** [[https://github.com/mpickering/hlint-refactor-mode][hlint-refactor]]
1127
1128 Emacs bindings for [[https://github.com/ndmitchell/hlint][hlint]]'s refactor option. This requires the refact
1129 executable from [[https://github.com/mpickering/apply-refact][apply-refact]].
1130
1131 #+begin_src emacs-lisp
1132 (use-package hlint-refactor
1133   :bind (:map hlint-refactor-mode-map
1134               ("C-c l b" . hlint-refactor-refactor-buffer)
1135               ("C-c l r" . hlint-refactor-refactor-at-point))
1136   :hook (haskell-mode . hlint-refactor-mode))
1137 #+end_src
1138
1139 *** [[https://github.com/flycheck/flycheck-haskell][flycheck-haskell]]
1140
1141 #+begin_src emacs-lisp
1142 (use-package flycheck-haskell)
1143 #+end_src
1144
1145 *** [[https://github.com/ndmitchell/hlint/blob/20e116a043f2073c57b17b24ae6364b5e433ba7e/data/hs-lint.el][hs-lint.el]]
1146 :PROPERTIES:
1147 :header-args+: :tangle lisp/hs-lint.el :mkdirp yes
1148 :END:
1149
1150 Currently using =flycheck-haskell= with the =haskell-hlint= checker
1151 instead.
1152
1153 #+begin_src emacs-lisp :tangle no
1154 ;;; hs-lint.el --- minor mode for HLint code checking
1155
1156 ;; Copyright 2009 (C) Alex Ott
1157 ;;
1158 ;; Author: Alex Ott <alexott@gmail.com>
1159 ;; Keywords: haskell, lint, HLint
1160 ;; Requirements:
1161 ;; Status: distributed under terms of GPL2 or above
1162
1163 ;; Typical message from HLint looks like:
1164 ;;
1165 ;; /Users/ott/projects/lang-exp/haskell/test.hs:52:1: Eta reduce
1166 ;; Found:
1167 ;;   count1 p l = length (filter p l)
1168 ;; Why not:
1169 ;;   count1 p = length . filter p
1170
1171
1172 (require 'compile)
1173
1174 (defgroup hs-lint nil
1175   "Run HLint as inferior of Emacs, parse error messages."
1176   :group 'tools
1177   :group 'haskell)
1178
1179 (defcustom hs-lint-command "hlint"
1180   "The default hs-lint command for \\[hlint]."
1181   :type 'string
1182   :group 'hs-lint)
1183
1184 (defcustom hs-lint-save-files t
1185   "Save modified files when run HLint or no (ask user)"
1186   :type 'boolean
1187   :group 'hs-lint)
1188
1189 (defcustom hs-lint-replace-with-suggestions nil
1190   "Replace user's code with suggested replacements"
1191   :type 'boolean
1192   :group 'hs-lint)
1193
1194 (defcustom hs-lint-replace-without-ask nil
1195   "Replace user's code with suggested replacements automatically"
1196   :type 'boolean
1197   :group 'hs-lint)
1198
1199 (defun hs-lint-process-setup ()
1200   "Setup compilation variables and buffer for `hlint'."
1201   (run-hooks 'hs-lint-setup-hook))
1202
1203 ;; regex for replace suggestions
1204 ;;
1205 ;; ^\(.*?\):\([0-9]+\):\([0-9]+\): .*
1206 ;; Found:
1207 ;; \s +\(.*\)
1208 ;; Why not:
1209 ;; \s +\(.*\)
1210
1211 (defvar hs-lint-regex
1212   "^\\(.*?\\):\\([0-9]+\\):\\([0-9]+\\): .*[\n\C-m]Found:[\n\C-m]\\s +\\(.*\\)[\n\C-m]Why not:[\n\C-m]\\s +\\(.*\\)[\n\C-m]"
1213   "Regex for HLint messages")
1214
1215 (defun make-short-string (str maxlen)
1216   (if (< (length str) maxlen)
1217       str
1218     (concat (substring str 0 (- maxlen 3)) "...")))
1219
1220 (defun hs-lint-replace-suggestions ()
1221   "Perform actual replacement of suggestions"
1222   (goto-char (point-min))
1223   (while (re-search-forward hs-lint-regex nil t)
1224     (let* ((fname (match-string 1))
1225           (fline (string-to-number (match-string 2)))
1226           (old-code (match-string 4))
1227           (new-code (match-string 5))
1228           (msg (concat "Replace '" (make-short-string old-code 30)
1229                        "' with '" (make-short-string new-code 30) "'"))
1230           (bline 0)
1231           (eline 0)
1232           (spos 0)
1233           (new-old-code ""))
1234       (save-excursion
1235         (switch-to-buffer (get-file-buffer fname))
1236         (goto-char (point-min))
1237         (forward-line (1- fline))
1238         (beginning-of-line)
1239         (setf bline (point))
1240         (when (or hs-lint-replace-without-ask
1241                   (yes-or-no-p msg))
1242           (end-of-line)
1243           (setf eline (point))
1244           (beginning-of-line)
1245           (setf old-code (regexp-quote old-code))
1246           (while (string-match "\\\\ " old-code spos)
1247             (setf new-old-code (concat new-old-code
1248                                  (substring old-code spos (match-beginning 0))
1249                                  "\\ *"))
1250             (setf spos (match-end 0)))
1251           (setf new-old-code (concat new-old-code (substring old-code spos)))
1252           (remove-text-properties bline eline '(composition nil))
1253           (when (re-search-forward new-old-code eline t)
1254             (replace-match new-code nil t)))))))
1255
1256 (defun hs-lint-finish-hook (buf msg)
1257   "Function, that is executed at the end of HLint execution"
1258   (if hs-lint-replace-with-suggestions
1259       (hs-lint-replace-suggestions)
1260       (next-error 1 t)))
1261
1262 (define-compilation-mode hs-lint-mode "HLint"
1263   "Mode for check Haskell source code."
1264   (set (make-local-variable 'compilation-process-setup-function)
1265        'hs-lint-process-setup)
1266   (set (make-local-variable 'compilation-disable-input) t)
1267   (set (make-local-variable 'compilation-scroll-output) nil)
1268   (set (make-local-variable 'compilation-finish-functions)
1269        (list 'hs-lint-finish-hook))
1270   )
1271
1272 (defun hs-lint ()
1273   "Run HLint for current buffer with haskell source"
1274   (interactive)
1275   (save-some-buffers hs-lint-save-files)
1276   (compilation-start (concat hs-lint-command " \"" buffer-file-name "\"")
1277                      'hs-lint-mode))
1278
1279 (provide 'hs-lint)
1280 ;;; hs-lint.el ends here
1281 #+end_src
1282
1283 #+begin_src emacs-lisp :tangle no
1284 (use-package hs-lint
1285   :load-path "lisp/"
1286   :bind (:map haskell-mode-map
1287               ("C-c l l" . hs-lint)))
1288 #+end_src
1289
1290 ** Web dev
1291
1292 *** SGML and HTML
1293
1294 #+begin_src emacs-lisp
1295 (use-package sgml-mode
1296   :config
1297   (setq sgml-basic-offset 2))
1298 #+end_src
1299
1300 *** CSS and SCSS
1301
1302 #+begin_src emacs-lisp
1303 (use-package css-mode
1304   :config
1305   (setq css-indent-offset 2))
1306 #+end_src
1307
1308 *** Web mode
1309
1310 #+begin_src emacs-lisp
1311 (use-package web-mode
1312   :mode "\\.html\\'"
1313   :config
1314   (setq-every! 2
1315     web-mode-code-indent-offset
1316     web-mode-css-indent-offset
1317     web-mode-markup-indent-offset))
1318 #+end_src
1319
1320 *** Emmet mode
1321
1322 #+begin_src emacs-lisp
1323 (use-package emmet-mode
1324   :bind* (("C-)" . emmet-next-edit-point)
1325           ("C-(" . emmet-prev-edit-point))
1326   :config
1327   (unbind-key "C-j" emmet-mode-keymap)
1328   (setq emmet-move-cursor-between-quotes t)
1329   :hook (web-mode css-mode html-mode sgml-mode))
1330 #+end_src
1331
1332 ** Nix
1333
1334 #+begin_src emacs-lisp
1335 (use-package nix-mode
1336   :mode "\\.nix\\'")
1337 #+end_src
1338
1339 * Emacs Enhancements
1340
1341 ** [[https://github.com/justbur/emacs-which-key][which-key]]
1342
1343 #+begin_quote
1344 Emacs package that displays available keybindings in popup
1345 #+end_quote
1346
1347 #+begin_src emacs-lisp
1348 (use-package which-key
1349   :defer 1
1350   :config (which-key-mode))
1351 #+end_src
1352
1353 ** [[https://github.com/seagle0128/doom-modeline][doom-modeline]]
1354
1355 #+begin_src emacs-lisp
1356 (use-package doom-modeline
1357   :demand t
1358   :config (setq doom-modeline-height 32)
1359   :hook (after-init . doom-modeline-init))
1360 #+end_src
1361
1362 ** [[https://github.com/11111000000/tao-theme-emacs][tao-theme]]
1363
1364 #+begin_src emacs-lisp :tangle no
1365 (use-package tao-theme
1366   :demand t
1367   :config (load-theme 'tao-yang t))
1368 #+end_src
1369
1370 ** [[https://github.com/maio/eink-emacs][eink-theme]]
1371
1372 #+begin_src emacs-lisp
1373 (load-theme 'eink t)
1374 #+end_src
1375
1376 ** [[https://github.com/bbatsov/crux][crux]]
1377
1378 #+begin_src emacs-lisp
1379 (use-package crux
1380   :bind (("C-c d"   . crux-duplicate-current-line-or-region)
1381          ("C-c M-d" . crux-duplicate-and-comment-current-line-or-region)
1382          ("C-c b K" . crux-kill-other-buffers)
1383          ("C-c f c" . crux-copy-file-preserve-attributes)
1384          ("C-c f D" . crux-delete-file-and-buffer)
1385          ("C-c f R" . crux-rename-file-and-buffer)
1386          ("C-S-j"   . crux-top-join-line)
1387          ("C-c j"   . crux-top-join-line)))
1388 #+end_src
1389
1390 ** [[https://github.com/alezost/mwim.el][mwim]]
1391
1392 #+begin_src emacs-lisp
1393 (use-package mwim
1394   :bind (("C-a"    . mwim-beginning-of-code-or-line)
1395          ("C-e"    . mwim-end-of-code-or-line)
1396          ("<home>" . mwim-beginning-of-line-or-code)
1397          ("<end>"  . mwim-end-of-line-or-code)))
1398 #+end_src
1399
1400 ** projectile
1401
1402 #+begin_src emacs-lisp
1403 (use-package projectile
1404   :defer 5
1405   :bind-keymap ("C-c p" . projectile-command-map)
1406   :config
1407   (projectile-mode)
1408
1409   (defun my-projectile-invalidate-cache (&rest _args)
1410     ;; ignore the args to `magit-checkout'
1411     (projectile-invalidate-cache nil))
1412
1413   (eval-after-load 'magit-branch
1414     '(progn
1415        (advice-add 'magit-checkout
1416                    :after #'my-projectile-invalidate-cache)
1417        (advice-add 'magit-branch-and-checkout
1418                    :after #'my-projectile-invalidate-cache))))
1419 #+end_src
1420
1421 ** [[https://github.com/Wilfred/helpful][helpful]]
1422
1423 #+begin_src emacs-lisp
1424 (use-package helpful
1425   :bind
1426   (("C-h f"   . helpful-callable)
1427    ("C-h v"   . helpful-variable)
1428    ("C-h k"   . helpful-key)
1429    ("C-c C-d" . helpful-at-point)
1430    ("C-h F"   . helpful-function)
1431    ("C-h C"   . helpful-command)))
1432 #+end_src
1433
1434 ** [[https://github.com/kyagi/shell-pop-el][shell-pop]]
1435
1436 #+begin_src emacs-lisp
1437 (use-package shell-pop
1438   :custom
1439   (shell-pop-universal-key "C-c e")
1440   (shell-pop-shell-type '("eshell" "*eshell*" (lambda nil (eshell)))))
1441 #+end_src
1442
1443 ** [[https://github.com/EricCrosson/unkillable-scratch][unkillable-scratch]]
1444
1445 Make =*scratch*= and =*Messages*= unkillable.
1446
1447 #+begin_src emacs-lisp
1448 (use-package unkillable-scratch
1449   :config
1450   (unkillable-scratch 1)
1451   :custom
1452   (unkillable-buffers '("^\\*scratch\\*$" "^\\*Messages\\*$")))
1453 #+end_src
1454
1455 ** [[https://github.com/davep/boxquote.el][boxquote.el]]
1456
1457 #+begin_example
1458 ,----
1459 | make pretty boxed quotes like this
1460 `----
1461 #+end_example
1462
1463 #+begin_src emacs-lisp
1464 (use-package boxquote
1465   :bind
1466   (:prefix-map amin--boxquote-prefix-map
1467    :prefix "C-c q"
1468    ("b"   . boxquote-buffer)
1469    ("B"   . boxquote-insert-buffer)
1470    ("d"   . boxquote-defun)
1471    ("F"   . boxquote-insert-file)
1472    ("hf"  . boxquote-describe-function)
1473    ("hk"  . boxquote-describe-key)
1474    ("hv"  . boxquote-describe-variable)
1475    ("hw"  . boxquote-where-is)
1476    ("k"   . boxquote-kill)
1477    ("p"   . boxquote-paragraph)
1478    ("q"   . boxquote-boxquote)
1479    ("r"   . boxquote-region)
1480    ("s"   . boxquote-shell-command)
1481    ("t"   . boxquote-text)
1482    ("T"   . boxquote-title)
1483    ("u"   . boxquote-unbox)
1484    ("U"   . boxquote-unbox-region)
1485    ("y"   . boxquote-yank)
1486    ("M-q" . boxquote-fill-paragraph)
1487    ("M-w" . boxquote-kill-ring-save)))
1488 #+end_src
1489
1490 Also see [[https://www.emacswiki.org/emacs/rebox2][rebox2]].
1491
1492 ** [[https://github.com/DarthFennec/highlight-indent-guides][highlight-indent-guides]]
1493
1494 #+begin_src emacs-lisp
1495 (use-package highlight-indent-guides
1496   :demand t
1497   :hook ((prog-mode . highlight-indent-guides-mode)
1498          (org-mode  . highlight-indent-guides-mode))
1499   :config
1500   (setq highlight-indent-guides-character ?\|)
1501   (setq highlight-indent-guides-auto-enabled nil)
1502   (setq highlight-indent-guides-method 'character)
1503   (setq highlight-indent-guides-responsive 'top)
1504   (set-face-foreground 'highlight-indent-guides-character-face "gainsboro")
1505   (set-face-foreground 'highlight-indent-guides-top-character-face "grey40")) ; grey13 is nice too
1506 #+end_src
1507
1508 * Email
1509
1510 #+begin_src emacs-lisp
1511 (defvar amin-maildir (expand-file-name "~/mail/"))
1512 (after! recentf
1513   (add-to-list 'recentf-exclude amin-maildir))
1514 #+end_src
1515
1516 ** sendmail
1517
1518 #+begin_src emacs-lisp
1519 (use-package sendmail
1520   :config
1521   (setq sendmail-program "/usr/bin/msmtp"
1522         ;; message-sendmail-extra-arguments '("-v" "-d")
1523         mail-specify-envelope-from t
1524         mail-envelope-from 'header))
1525 #+end_src
1526
1527 ** message
1528
1529 #+begin_src emacs-lisp
1530 (use-package message
1531   :config
1532   (setq message-kill-buffer-on-exit t
1533         message-send-mail-function 'message-send-mail-with-sendmail
1534         message-sendmail-envelope-from 'header
1535         ;; message-directory "drafts"
1536         message-user-fqdn "aminb.org")
1537   (add-hook 'message-mode-hook
1538             (lambda () (setq fill-column 65
1539                         message-fill-column 65)))
1540   (add-hook 'message-mode-hook
1541             #'flyspell-mode)
1542   ;; (add-hook 'message-setup-hook
1543   ;;           #'mml-secure-message-sign-pgpmime)
1544   )
1545
1546 (after! mml-sec
1547   (setq mml-secure-openpgp-encrypt-to-self t
1548         mml-secure-openpgp-sign-with-sender t))
1549 #+end_src
1550
1551 ** [[https://notmuchmail.org][notmuch]]
1552
1553 See [[notmuch:id:87muuqsvci.fsf@fencepost.gnu.org][bug follow-up]].
1554
1555 #+begin_src emacs-lisp
1556 (defun amin/notmuch ()
1557   "Delete other windows, then launch `notmuch'."
1558   (interactive)
1559   (delete-other-windows)
1560   (notmuch))
1561
1562 (use-package notmuch
1563   :commands notmuch
1564   :bind ("C-c n" . amin/notmuch)
1565   :custom (notmuch-always-prompt-for-sender t)
1566   :config
1567   (setq notmuch-hello-sections
1568         '(notmuch-hello-insert-header
1569           notmuch-hello-insert-saved-searches
1570           ;; notmuch-hello-insert-search
1571           notmuch-hello-insert-alltags)
1572         notmuch-search-oldest-first nil
1573         notmuch-show-all-tags-list t
1574         notmuch-message-headers  ; see bug follow-up above
1575         '("Subject" "To" "Cc" "Date" "List-Id" "X-RT-Originator")
1576         notmuch-hello-thousands-separator ","
1577         notmuch-fcc-dirs
1578         '(("amin@aminb.org"        . "amin/Sent")
1579           ("amin@gnu.org"          . "gnu/Sent")
1580           ("abandali@uwaterloo.ca" . "\"uwaterloo/Sent Items\"")
1581           ("mab@gnu.org"           . "gnu/Sent")
1582           ("aminb@gnu.org"         . "gnu/Sent")
1583           (".*"                    . "sent"))
1584         notmuch-search-result-format
1585         '(("date"    . "%12s ")
1586           ("count"   . "%-7s ")
1587           ("authors" . "%-40s ")
1588           ("subject" . "%s ")
1589           ("tags"    . "(%s)"))
1590         notmuch-saved-searches
1591         '((:name "inbox"     :query "tag:inbox"     :key "i")
1592           (:name "unread"    :query "tag:unread"    :key "u")
1593           (:name "latest"    :query "tag:latest"    :key "l")
1594           (:name "encrypted" :query "tag:encrypted" :key "e")
1595           (:name "flagged"   :query "tag:flagged"   :key "f")
1596           (:name "sent"      :query "tag:sent"      :key "s")
1597           (:name "drafts"    :query "tag:draft"     :key "d")
1598           (:name "all mail"  :query "*"             :key "a")))
1599   ;; (add-hook 'visual-fill-column-mode-hook
1600   ;;           (lambda ()
1601   ;;             (when (string= major-mode 'notmuch-message-mode)
1602   ;;               (setq visual-fill-column-width 70))))
1603   ;; (set! :evil-state 'notmuch-message-mode 'insert)
1604   ;; (advice-add #'notmuch-bury-or-kill-this-buffer
1605   ;;             :override #'kill-this-buffer)
1606   :bind
1607   (:map notmuch-hello-mode-map
1608         ("u" . (lambda ()
1609                  "Search for `unread'-tagged messages"
1610                  (interactive)
1611                  (notmuch-hello-search "tag:unread")))
1612         ("i" . (lambda ()
1613                  "Search for `inbox'-tagged messages"
1614                  (interactive)
1615                  (notmuch-hello-search "tag:inbox")))
1616         ("l" . (lambda ()
1617                  "Search for `latest'-tagged messages"
1618                  (interactive)
1619                  (notmuch-hello-search "tag:latest")))
1620         ("e" . (lambda ()
1621                  "Search for `encrypted'-tagged messages"
1622                  (interactive)
1623                  (notmuch-hello-search "tag:encrypted"))))
1624   (:map notmuch-search-mode-map
1625         ("k" . (lambda ()
1626                  "Mark message read"
1627                  (interactive)
1628                  (notmuch-search-tag '("-unread"))
1629                  ;; (notmuch-search-archive-thread)
1630                  (notmuch-search-next-thread)))
1631         ("u" . (lambda ()
1632                  "Mark message unread"
1633                  (interactive)
1634                  (notmuch-search-tag '("+unread"))
1635                  (notmuch-search-next-thread)))
1636         ("K" . (lambda ()
1637                  "Mark message deleted"
1638                  (interactive)
1639                  (notmuch-search-tag '("-unread" "-inbox" "+deleted"))
1640                  (notmuch-search-next-thread)))
1641         ("S" . (lambda ()
1642                  "Mark message as spam"
1643                  (interactive)
1644                  (notmuch-search-tag '("-unread" "-inbox" "-webmasters" "+spam"))
1645                  (notmuch-search-next-thread))))
1646   (:map notmuch-tree-mode-map
1647         ("k" . (lambda ()
1648                  "Mark message read"
1649                  (interactive)
1650                  (notmuch-tree-tag '("-unread"))
1651                  ;; (notmuch-tree-archive-thread)
1652                  (notmuch-tree-next-message)))
1653         ("u" . (lambda ()
1654                  "Mark message unread"
1655                  (interactive)
1656                  (notmuch-tree-tag '("+unread"))
1657                  (notmuch-tree-next-message)))
1658         ("K" . (lambda ()
1659                  "Mark message deleted"
1660                  (interactive)
1661                  (notmuch-tree-tag '("-unread" "-inbox" "+deleted"))
1662                  (notmuch-tree-next-message)))
1663         ("S" . (lambda ()
1664                  "Mark message as spam"
1665                  (interactive)
1666                  (notmuch-tree-tag '("-unread" "-inbox" "-webmasters" "+spam"))
1667                  (notmuch-tree-next-message)))))
1668
1669 (use-package counsel-notmuch
1670   :bind ("C-c s m" . counsel-notmuch))
1671
1672 (after! notmuch-crypto
1673   (setq notmuch-crypto-process-mime t))
1674 #+end_src
1675
1676 ** supercite
1677
1678 #+begin_src emacs-lisp :tangle no
1679 (use-package supercite
1680   :commands sc-cite-original
1681   :init
1682   (add-hook 'mail-citation-hook 'sc-cite-original)
1683
1684   (defun sc-remove-existing-signature ()
1685     (save-excursion
1686       (goto-char (region-beginning))
1687       (when (re-search-forward message-signature-separator (region-end) t)
1688         (delete-region (match-beginning 0) (region-end)))))
1689
1690   (add-hook 'mail-citation-hook 'sc-remove-existing-signature)
1691
1692   (defun sc-remove-if-not-mailing-list ()
1693     (unless (assoc "list-id" sc-mail-info)
1694       (setq attribution sc-default-attribution
1695             citation (concat sc-citation-delimiter
1696                              sc-citation-separator))))
1697
1698   (add-hook 'sc-attribs-postselect-hook 'sc-remove-if-not-mailing-list)
1699
1700   :config
1701   (defun sc-fill-if-different (&optional prefix)
1702     "Fill the region bounded by `sc-fill-begin' and point.
1703 Only fill if optional PREFIX is different than
1704 `sc-fill-line-prefix'.  If `sc-auto-fill-region-p' is nil, do not
1705 fill region.  If PREFIX is not supplied, initialize fill
1706 variables.  This is useful for a regi `begin' frame-entry."
1707     (if (not prefix)
1708         (setq sc-fill-line-prefix ""
1709               sc-fill-begin (line-beginning-position))
1710       (if (and sc-auto-fill-region-p
1711                (not (string= prefix sc-fill-line-prefix)))
1712           (let ((fill-prefix sc-fill-line-prefix))
1713             (unless (or (string= fill-prefix "")
1714                         (save-excursion
1715                           (goto-char sc-fill-begin)
1716                           (or (looking-at ">+  +")
1717                               (< (length
1718                                   (buffer-substring (point)
1719                                                     (line-end-position)))
1720                                  65))))
1721               (fill-region sc-fill-begin (line-beginning-position)))
1722             (setq sc-fill-line-prefix prefix
1723                   sc-fill-begin (line-beginning-position)))))
1724 nil))
1725 #+end_src
1726
1727 * Blogging
1728 ** [[https://ox-hugo.scripter.co][ox-hugo]]
1729
1730 #+begin_src emacs-lisp
1731 (use-package ox-hugo
1732   :after ox)
1733
1734 (use-package ox-hugo-auto-export
1735   :load-path "lib/ox-hugo")
1736 #+end_src
1737
1738 * Post initialization
1739 :PROPERTIES:
1740 :CUSTOM_ID: post-initialization
1741 :END:
1742
1743 Display how long it took to load the init file.
1744
1745 #+begin_src emacs-lisp
1746 (message "Loading %s...done (%.3fs)" user-init-file
1747          (float-time (time-subtract (current-time)
1748                                     amin--before-user-init-time)))
1749 #+end_src
1750
1751 * Footer
1752 :PROPERTIES:
1753 :CUSTOM_ID: footer
1754 :END:
1755
1756 #+begin_src emacs-lisp :comments none
1757 ;;; init.el ends here
1758 #+end_src
1759
1760 * COMMENT Local Variables                                           :ARCHIVE:
1761 # Local Variables:
1762 # eval: (add-hook 'after-save-hook #'amin/async-babel-tangle 'append 'local)
1763 # End: