* .config/git/config: Don't set core.autocrlf = input.
[~bandali/configs] / .emacs.d / init.el
1 ;;; init.el --- bandali's emacs configuration -*- lexical-binding: t -*-
2
3 ;; Copyright (c) 2018-2023 Amin Bandali <bandali@gnu.org>
4
5 ;; This program is free software: you can redistribute it and/or modify
6 ;; it under the terms of the GNU General Public License as published by
7 ;; the Free Software Foundation, either version 3 of the License, or
8 ;; (at your option) any later version.
9
10 ;; This program is distributed in the hope that it will be useful,
11 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ;; GNU General Public License for more details.
14
15 ;; You should have received a copy of the GNU General Public License
16 ;; along with this program. If not, see <https://www.gnu.org/licenses/>.
17
18 ;;; Commentary:
19
20 ;; GNU Emacs configuration of bandali, free software activist,
21 ;; computing scientist, and GNU maintainer and volunteer.
22
23 ;; Over the years, I've taken inspiration from configurations of many
24 ;; great people. Some that I can remember off the top of my head are:
25 ;;
26 ;; - https://github.com/dieggsy/dotfiles
27 ;; - https://github.com/dakra/dmacs
28 ;; - http://pages.sachachua.com/.emacs.d/Sacha.html
29 ;; - https://github.com/dakrone/eos
30 ;; - http://doc.rix.si/cce/cce.html
31 ;; - https://github.com/jwiegley/dot-emacs
32 ;; - https://github.com/wasamasa/dotemacs
33 ;; - https://github.com/hlissner/doom-emacs
34
35 ;;; Code:
36
37 ;; whoami
38 (setq user-full-name "Amin Bandali"
39 user-mail-address "bandali@gnu.org")
40
41 \f
42 ;;; Package management
43
44 ;; variables of interest:
45 ;; package-archive-priorities
46 ;; package-load-list
47 ;; package-pinned-packages
48
49 ;; (let* ((b (find-file-noselect "refinery-theme.el"))
50 ;; (d (with-current-buffer b (package-buffer-info))))
51 ;; (package-generate-description-file d "refinery-theme-pkg.el"))
52 (run-with-idle-timer 0.01 nil #'require 'package)
53 (with-eval-after-load 'package
54 ;; (setq
55 ;; ;; package-archives
56 ;; ;; `(,@package-archives
57 ;; ;; ("bndl" . "https://p.bndl.org/elpa/"))
58 ;; package-load-list
59 ;; '(;; GNU ELPA
60 ;; (debbugs "0.29")
61 ;; (delight "1.7")
62 ;; (emms "7.7")
63 ;; (rt-liberation "2.4")))
64 (package-initialize))
65
66 (setq package-archive-upload-base "/ssh:caffeine:~/www/p/elpa")
67
68 \f
69 ;;; Initial setup
70
71 ;; Keep ~/.emacs.d clean.
72 (defvar b/etc-dir
73 (expand-file-name
74 (convert-standard-filename "etc/") user-emacs-directory)
75 "The directory where packages place their configuration files.")
76 (defvar b/var-dir
77 (expand-file-name
78 (convert-standard-filename "var/") user-emacs-directory)
79 "The directory where packages place their persistent data files.")
80 (defvar b/lisp-dir
81 (expand-file-name
82 (convert-standard-filename "lisp/") user-emacs-directory)
83 "The directory where packages place their persistent data files.")
84 (defun b/etc (file)
85 "Expand filename FILE relative to `b/etc-dir'."
86 (expand-file-name (convert-standard-filename file) b/etc-dir))
87 (defun b/var (file)
88 "Expand filename FILE relative to `b/var-dir'."
89 (expand-file-name (convert-standard-filename file) b/var-dir))
90 (defun b/lisp (file)
91 "Expand filename FILE relative to `b/lisp-dir'."
92 (expand-file-name (convert-standard-filename file) b/lisp-dir))
93
94 ;; Separate custom file (don't want it mixing with init.el).
95 (with-eval-after-load 'custom
96 (setq custom-file (b/etc "custom.el"))
97 (when (file-exists-p custom-file)
98 (load custom-file))
99 ;; Only one custom theme at a time.
100 ;; (defadvice load-theme (before clear-previous-themes activate)
101 ;; "Clear existing theme settings instead of layering them"
102 ;; (mapc #'disable-theme custom-enabled-themes))
103 )
104
105 ;; Load the secrets file if it exists, otherwise show a warning.
106 ;; (with-demoted-errors
107 ;; (load (b/etc "secrets")))
108
109 ;; Start up emacs server:
110 ;; https://www.gnu.org/software/emacs/manual/html_node/emacs/Emacs-Server.html
111 (run-with-idle-timer 0.5 nil #'require 'server)
112 (with-eval-after-load 'server
113 (declare-function server-edit "server")
114 (global-set-key (kbd "C-c F D") #'server-edit)
115 (declare-function server-running-p "server")
116 (or (server-running-p) (server-mode)))
117
118 \f
119 ;;; Defaults
120
121 ;;;; C-level customizations
122
123 (setq
124 ;; line-spacing 3
125 completion-ignore-case t
126 read-buffer-completion-ignore-case t
127 enable-recursive-minibuffers t
128 resize-mini-windows t
129 message-log-max 20000
130 mode-line-compact t
131 ;; mouse-autoselect-window t
132 scroll-conservatively 15
133 scroll-preserve-screen-position 1
134 ;; I don't feel like jumping out of my chair every now and again;
135 ;; so...don't *BEEP* at me, Emacs. =)
136 ring-bell-function 'ignore)
137
138 (setq-default
139 ;; Case-sensitive search (and `dabbrev-expand').
140 ;; case-fold-search nil
141 indent-tabs-mode nil ; always use space for indentation
142 tab-width 4
143 indicate-buffer-boundaries 'left)
144
145 ;; Lazy-person-friendly yes/no prompts.
146 (defalias 'yes-or-no-p #'y-or-n-p)
147
148 (when (display-graphic-p)
149 ;; (set-frame-font "Source Code Pro-10.5:weight=medium" nil t)
150 ;; (set-frame-font "FreeSans" nil t)
151 (set-fontset-font t 'arabic "Sahel WOL"))
152
153 ;;;; Elisp-level customizations
154
155 (with-eval-after-load 'minibuffer
156 (setq read-file-name-completion-ignore-case t))
157
158 ;; `startup'
159 (setq auto-save-list-file-prefix (b/var "auto-save/sessions/"))
160
161 (with-eval-after-load 'files
162 (setq
163 ;; backups (C-h v make-backup-files RET)
164 backup-by-copying t
165 backup-directory-alist (list (cons "." (b/var "backup/")))
166 version-control t
167 delete-old-versions t
168 ;; auto-save
169 auto-save-file-name-transforms `((".*" ,(b/var "auto-save/") t))
170 ;; insert newline at the end of files
171 ;; require-final-newline t
172 ;; open read-only file buffers in view-mode
173 ;; (enables niceties like `q' for quit)
174 view-read-only t))
175
176 ;; `novice'
177 (setq disabled-command-function nil)
178
179 ;; `subr'
180 ;; (keyboard-translate ?\( ?\[)
181 ;; (keyboard-translate ?\) ?\])
182 ;; (keyboard-translate ?\[ ?\()
183 ;; (keyboard-translate ?\] ?\))
184
185 (run-with-idle-timer 0.1 nil #'require 'autorevert)
186 (with-eval-after-load 'autorevert
187 (setq
188 ;; auto-revert-verbose nil
189 global-auto-revert-non-file-buffers nil)
190 (global-auto-revert-mode 1))
191
192 (run-with-idle-timer 0.1 nil #'require 'time)
193 (with-eval-after-load 'time
194 (setq
195 display-time-default-load-average nil
196 display-time-format " %a %Y-%m-%d %-l:%M%P"
197 display-time-mail-icon '(image :type xpm
198 :file "gnus/gnus-pointer.xpm"
199 :ascent center)
200 display-time-use-mail-icon t
201 zoneinfo-style-world-list
202 `(,@zoneinfo-style-world-list
203 ("Etc/UTC" "UTC")
204 ("Asia/Tehran" "Tehran")
205 ("Australia/Melbourne" "Melbourne")))
206 (display-time-mode))
207
208 (run-with-idle-timer 0.1 nil #'require 'battery)
209 (with-eval-after-load 'battery
210 (setq battery-mode-line-format " [%p%% %t]")
211 (display-battery-mode))
212
213 (progn ; display system volume in mode-line
214 (defvar b/volume-level 0)
215 (defvar b/volume-mute nil)
216 (defvar b/volume-level-mic 0)
217 (defvar b/volume-mute-mic nil)
218
219 (defun b/volume-get (&optional use-default-source)
220 "Get the default sink volume and mute state.
221 If USE-DEFAULT-SOURCE is non-nill, use the default source (e.g. a
222 microphone) instead of the default sink."
223 (pcase (split-string ; expecting: <mute> <volume> (e.g. true 15)
224 (string-trim
225 (shell-command-to-string
226 (mapconcat
227 #'identity
228 `("pamixer"
229 ,(when use-default-source "--default-source")
230 "--get-volume"
231 "--get-mute")
232 " "))))
233 (`(,m ,v)
234 (let ((mute (string= "true" m))
235 (volume (string-to-number v)))
236 `(,mute ,volume)))))
237
238 (defun b/volume-update ()
239 "Update system sound volume as displayed in mode-line."
240 (let ((changed))
241 (pcase (b/volume-get)
242 (`(,mute ,volume)
243 (unless (eq mute b/volume-mute)
244 (setq b/volume-mute mute
245 changed t))
246 (unless (= volume b/volume-level)
247 (setq b/volume-level volume
248 changed t))))
249 (pcase (b/volume-get 'mic)
250 (`(,mute ,volume)
251 (unless (eq mute b/volume-mute-mic)
252 (setq b/volume-mute-mic mute
253 changed t))
254 (unless (= volume b/volume-level-mic)
255 (setq b/volume-level-mic volume
256 changed t))))
257 (when changed
258 (force-mode-line-update))))
259
260 (defvar b/volume-timer (run-at-time nil 5 #'b/volume-update))
261
262 (setq-default
263 mode-line-format
264 (append
265 mode-line-format
266 '((:eval
267 (format
268 " [%s%%%%%s %s%%%%%s]"
269 (number-to-string b/volume-level)
270 (if b/volume-mute "-" "+")
271 (number-to-string b/volume-level-mic)
272 (if b/volume-mute-mic "-" "+")))))))
273
274 ;; (with-eval-after-load 'fringe
275 ;; ;; smaller fringe
276 ;; (fringe-mode '(3 . 1)))
277
278 (run-with-idle-timer 0.5 nil #'require 'winner)
279 (with-eval-after-load 'winner
280 (winner-mode 1)
281 (when (featurep 'exwm)
282 ;; prevent a bad interaction between EXWM and winner-mode, where
283 ;; sometimes closing a window (like closing a terminal after
284 ;; entering a GPG password via pinentry-gnome3's floating window)
285 ;; results in a dead frame somewhere and effectively freezes EXWM.
286 (advice-add
287 'winner-insert-if-new
288 :around
289 (lambda (orig-fun &rest args)
290 ;; only add the frame if it's live
291 (when (frame-live-p (car args))
292 (apply orig-fun args))))))
293
294 (run-with-idle-timer 0.5 nil #'require 'windmove)
295 (with-eval-after-load 'windmove
296 (setq windmove-wrap-around t)
297 (global-set-key (kbd "M-H") #'windmove-left)
298 (global-set-key (kbd "M-L") #'windmove-right)
299 (global-set-key (kbd "M-K") #'windmove-up)
300 (global-set-key (kbd "M-J") #'windmove-down))
301
302 (with-eval-after-load 'compile
303 ;; don't display *compilation* buffer on success. based on
304 ;; https://stackoverflow.com/a/17788551, with changes to use `cl-letf'
305 ;; instead of the now obsolete `flet'.
306 (defun b/compilation-finish-function (buffer outstr)
307 (unless (string-match "finished" outstr)
308 (switch-to-buffer-other-window buffer))
309 t)
310
311 (setq compilation-finish-functions #'b/compilation-finish-function)
312
313 (require 'cl-macs)
314
315 (defadvice compilation-start
316 (around inhibit-display
317 (command &optional mode name-function highlight-regexp))
318 (if (not (string-match "^\\(find\\|grep\\)" command))
319 (cl-letf (((symbol-function 'display-buffer) #'ignore))
320 (save-window-excursion ad-do-it))
321 ad-do-it))
322 (ad-activate 'compilation-start))
323
324 (with-eval-after-load 'isearch
325 (setq
326 ;; Allow scrolling in Isearch.
327 isearch-allow-scroll t
328 isearch-lazy-count t
329 ;; Search for non-ASCII characters: i’d like non-ASCII characters
330 ;; such as ‘’“”«»‹›áⓐ𝒶 to be selected when I search for their ASCII
331 ;; counterpart. Shoutout to
332 ;; http://endlessparentheses.com/new-in-emacs-25-1-easily-search-non-ascii-characters.html
333 search-default-mode #'char-fold-to-regexp))
334
335 ;; (with-eval-after-load 'replace
336 ;; ;; Uncomment to extend the above behaviour to query-replace.
337 ;; (setq replace-char-fold t))
338
339 ;; `vc'
340 (global-set-key (kbd "C-x v C-=") #'vc-ediff)
341
342 (with-eval-after-load 'vc-git
343 (setq vc-git-print-log-follow t
344 vc-git-show-stash 0))
345
346 (with-eval-after-load 'ediff
347 (setq ediff-window-setup-function 'ediff-setup-windows-plain
348 ediff-split-window-function 'split-window-horizontally))
349
350 (with-eval-after-load 'face-remap
351 (setq
352 ;; Gentler font resizing.
353 text-scale-mode-step 1.05))
354
355 (run-with-idle-timer 0.4 nil #'require 'mwheel)
356 (with-eval-after-load 'mwheel
357 (setq
358 mouse-wheel-scroll-amount '(1 ((shift) . 1)) ; one line at a time
359 mouse-wheel-progressive-speed nil ; don't accelerate scrolling
360 mouse-wheel-follow-mouse t)) ; scroll window under mouse
361
362 (run-with-idle-timer 0.4 nil #'require 'pixel-scroll)
363 (with-eval-after-load 'pixel-scroll
364 (pixel-scroll-mode 1))
365
366 (with-eval-after-load 'epg-config
367 (setq
368 epg-gpg-program (executable-find "gpg")
369 ;; Ask for GPG passphrase in minibuffer.
370 ;; Will fail if gpg >= 2.1 is not available.
371 epg-pinentry-mode 'loopback))
372
373 (with-eval-after-load 'auth-source
374 (setq
375 auth-sources '("~/.authinfo.gpg")
376 authinfo-hidden
377 (regexp-opt '("password" "client-secret" "token"))))
378
379 (with-eval-after-load 'info
380 (setq
381 Info-directory-list
382 `(,@Info-directory-list
383 ,(expand-file-name
384 (convert-standard-filename "info/") source-directory)
385 "/usr/share/info/")))
386
387 (when (display-graphic-p)
388 (with-eval-after-load 'faces
389 (let ((grey "#e7e7e7"))
390 (set-face-attribute 'fixed-pitch nil
391 :font "Source Code Pro"
392 :weight 'medium)
393 (set-face-attribute 'mode-line nil
394 :background grey
395 :inherit 'fixed-pitch))))
396
397 (when (version< emacs-version "28")
398 ;; Manually make some `mode-line' spaces smaller. Emacs 28 (and
399 ;; above) does a terrific job at this out of the box when
400 ;; `mode-line-compact' is set to t (see above)."
401 (setq-default
402 mode-line-format
403 (mapcar
404 (lambda (x)
405 (if (and (stringp x)
406 (or (string= x " ")
407 (string= x " ")))
408 " "
409 x))
410 mode-line-format)
411 mode-line-buffer-identification
412 (propertized-buffer-identification "%10b")))
413
414 \f
415 ;;; Useful utilities
416
417 (defun b/add-elisp-section ()
418 (interactive)
419 (insert "\n")
420 (forward-line -1)
421 (insert "\n\f\n;;; "))
422
423 (defun b/insert-asterism ()
424 "Insert a centred asterism."
425 (interactive)
426 (let ((asterism "* * *"))
427 (insert
428 (concat
429 "\n"
430 (make-string
431 (floor (/ (- fill-column (length asterism)) 2))
432 ?\s)
433 asterism
434 "\n"))))
435
436 (defun b/start-process (program &rest args)
437 "Same as `start-process', but doesn't bother about name and buffer."
438 (let ((process-name (concat program "_process"))
439 (buffer-name (generate-new-buffer-name
440 (concat program "_output"))))
441 (apply #'start-process
442 process-name buffer-name program args)))
443
444 (defun b/no-mouse-autoselect-window ()
445 "Conveniently disable `focus-follows-mouse'.
446 For disabling the behaviour for certain buffers and/or modes."
447 (make-local-variable 'mouse-autoselect-window)
448 (setq mouse-autoselect-window nil))
449
450 ;; (defun b/move-indentation-or-beginning-of-line (arg)
451 ;; "Move to the indentation or to the beginning of line."
452 ;; (interactive "^p")
453 ;; ;; (if (bolp)
454 ;; ;; (back-to-indentation)
455 ;; ;; (move-beginning-of-line arg))
456 ;; (if (= (point)
457 ;; (progn (back-to-indentation)
458 ;; (point)))
459 ;; (move-beginning-of-line arg)))
460
461 (defun b/join-line-top ()
462 "Like `join-line', but join next line to the current line."
463 (interactive)
464 (join-line 1))
465
466 (defun b/*scratch* ()
467 "Switch to `*scratch*' buffer, creating it if it does not
468 exist."
469 (interactive)
470 (let ((fun (if (functionp #'get-scratch-buffer-create)
471 #'get-scratch-buffer-create ; (version<= "29" emacs-version)
472 #'startup--get-buffer-create-scratch))) ; (version< emacs-version "29")
473 (switch-to-buffer (funcall fun))))
474
475 (defun b/duplicate-line-or-region (&optional n)
476 "Duplicate the current line, or region (if active).
477 Make N (default: 1) copies of the current line or region."
478 (interactive "*p")
479 (let ((u-r-p (use-region-p)) ; if region is active
480 (n1 (or n 1)))
481 (save-excursion
482 (let ((text
483 (if u-r-p
484 (buffer-substring (region-beginning) (region-end))
485 (prog1 (thing-at-point 'line)
486 (end-of-line)
487 (if (eobp)
488 (newline)
489 (forward-line 1))))))
490 (dotimes (_ (abs n1))
491 (insert text))))))
492
493 (defun b/invert-default-face (arg)
494 "Invert the `default' and `mode-line' faces for the current frame.
495 Swap the background and foreground for the two `default' and
496 `mode-line' faces, effectively acting like a simple light/dark
497 theme toggle. If prefix argument ARG is given, invert the faces
498 for all frames."
499 (interactive "P")
500 (let ((frame (unless arg
501 (selected-frame))))
502 (invert-face 'default frame)
503 (invert-face 'mode-line frame))
504 (when (fboundp #'exwm-systemtray--refresh-background-color)
505 (exwm-systemtray--refresh-background-color 'remap)))
506
507 (defun b/export-frame ()
508 (interactive)
509 ;; TODO: ask for fn and/or take as arg
510 (let* ((fn (make-temp-file "emacs" nil ".pdf"))
511 (data (x-export-frames nil 'pdf)))
512 (with-temp-file fn
513 (insert data))
514 (kill-new fn)
515 (message fn)))
516
517 \f
518 ;;; General key bindings
519
520 ;; (global-set-key (kbd "C-a") #'b/move-indentation-or-beginning-of-line)
521 (global-set-key (kbd "C-c i") #'ielm)
522 (global-set-key (kbd "C-c d") #'b/duplicate-line-or-region)
523 (global-set-key (kbd "C-c j") #'b/join-line-top)
524 (global-set-key (kbd "C-S-j") #'b/join-line-top)
525 (global-set-key (kbd "C-c s c") #'b/*scratch*)
526 (global-set-key (kbd "C-c x") #'execute-extended-command)
527 (global-set-key (kbd "C-c v") #'b/invert-default-face)
528
529 ;; evaling and macro-expanding
530 (global-set-key (kbd "C-c e b") #'eval-buffer)
531 (global-set-key (kbd "C-c e e") #'eval-last-sexp)
532 (global-set-key (kbd "C-c e m") #'pp-macroexpand-last-sexp)
533 (global-set-key (kbd "C-c e r") #'eval-region)
534
535 ;; emacs things
536 (global-set-key (kbd "C-c e i") #'emacs-init-time)
537 (global-set-key (kbd "C-c e u") #'emacs-uptime)
538 (global-set-key (kbd "C-c e v") #'emacs-version)
539
540 ;; finding
541 (global-set-key (kbd "C-c f .") #'find-file)
542 (global-set-key (kbd "C-c f d") #'find-name-dired)
543 (global-set-key (kbd "C-c f l") #'find-library)
544 (global-set-key (kbd "C-c f p") #'find-file-at-point)
545
546 ;; frames
547 (global-set-key (kbd "C-c F m") #'make-frame-command)
548 (global-set-key (kbd "C-c F d") #'delete-frame)
549
550 ;; help/describe
551 (global-set-key (kbd "C-S-h F") #'describe-face)
552
553 (define-key emacs-lisp-mode-map (kbd "C-<return>") #'b/add-elisp-section)
554
555 (when (display-graphic-p)
556 (global-unset-key (kbd "C-z")))
557
558 \f
559 ;;; Essential packages
560
561 (add-to-list
562 'load-path
563 (expand-file-name
564 (convert-standard-filename "lisp") user-emacs-directory))
565
566 (when
567 (and
568 (display-graphic-p)
569 ;; we're not running in another WM/DE
570 (not (getenv "XDG_CURRENT_DESKTOP"))
571 (member (system-name) '("chaman" "langa")))
572 (require 'bandali-exwm)
573 (global-set-key (kbd "C-x b") #'exwm-workspace-switch-to-buffer))
574
575 (require 'bandali-org)
576
577 ;; (require 'bandali-theme)
578
579 ;; recently opened files
580 (run-with-idle-timer 0.2 nil #'require 'recentf)
581 (with-eval-after-load 'recentf
582 (setq
583 recentf-max-saved-items 2000
584 recentf-save-file (b/var "recentf-save.el"))
585 ;; (add-to-list 'recentf-keep #'file-remote-p)
586 (recentf-mode)
587
588 (defun b/recentf-open ()
589 "Use `completing-read' to \\[find-file] a recent file."
590 (interactive)
591 (find-file
592 (completing-read "Find recent file: " recentf-list)))
593 (global-set-key (kbd "C-c f r") #'b/recentf-open))
594
595 ;; (define-key minibuffer-local-completion-map
596 ;; "\t" #'minibuffer-force-complete)
597
598 ;; (with-eval-after-load 'icomplete
599
600 ;; (setq icomplete-on-del-error-function #'abort-recursive-edit)
601
602 ;; (defun b/icomplete-fido-backward-updir ()
603 ;; "Delete char before or go up directory, like `ido-mode'."
604 ;; (interactive)
605 ;; (if (and (eq (char-before) ?/)
606 ;; (eq (icomplete--category) 'file))
607 ;; (save-excursion
608 ;; (goto-char (1- (point)))
609 ;; (when (search-backward "/" (point-min) t)
610 ;; (delete-region (1+ (point)) (point-max))))
611 ;; (condition-case nil
612 ;; (call-interactively #'delete-backward-char)
613 ;; (error
614 ;; (when icomplete-on-del-error-function
615 ;; (funcall icomplete-on-del-error-function))))))
616
617 ;; (define-key icomplete-fido-mode-map
618 ;; (kbd "DEL") #'b/icomplete-fido-backward-updir))
619
620 ;; (fido-mode 1)
621 ;; (defun b/icomplete--fido-mode-setup ()
622 ;; "Customizations to `fido-mode''s minibuffer."
623 ;; (when (and icomplete-mode (icomplete-simple-completing-p))
624 ;; (setq-local
625 ;; ;; icomplete-compute-delay 0.1
626 ;; ;; icomplete-hide-common-prefix t
627 ;; icomplete-separator " · "
628 ;; completion-styles '(basic substring partial-completion flex))))
629 ;; (add-hook 'minibuffer-setup-hook #'b/icomplete--fido-mode-setup 1)
630
631 (require 'bandali-eshell)
632
633 (require 'bandali-ibuffer)
634
635 (require 'bandali-dired)
636
637 (with-eval-after-load 'help
638 (temp-buffer-resize-mode)
639 (setq help-window-select t))
640
641 (with-eval-after-load 'help-mode
642 (define-key help-mode-map (kbd "p") #'backward-button)
643 (define-key help-mode-map (kbd "n") #'forward-button))
644
645 (with-eval-after-load 'tramp
646 (setq tramp-auto-save-directory (b/var "tramp/auto-save/")
647 tramp-persistency-file-name (b/var "tramp/persistency.el"))
648 (add-to-list 'tramp-default-proxies-alist '(nil "\\`root\\'" "/ssh:%h:"))
649 (add-to-list 'tramp-default-proxies-alist '("localhost" nil nil))
650 (add-to-list 'tramp-default-proxies-alist
651 (list (regexp-quote (system-name)) nil nil)))
652
653 (with-eval-after-load 'doc-view
654 (define-key doc-view-mode-map (kbd "M-RET") #'image-previous-line))
655
656 (setq shr-max-width 80)
657
658 ;; Email (with Gnus, message, and smtpmail)
659 (require 'bandali-gnus)
660 (require 'bandali-message)
661 ;; (with-eval-after-load 'smtpmail
662 ;; (setq smtpmail-queue-mail t
663 ;; smtpmail-queue-dir (concat b/maildir "queue/")))
664
665 ;; IRC (with ERC)
666 (require 'bandali-erc)
667
668 ;; 'paste' service (aka scp + web server)
669 (add-to-list 'load-path (b/lisp "scpaste"))
670 (with-eval-after-load 'scpaste
671 (setq scpaste-http-destination "https://p.bndl.org"
672 scpaste-scp-destination "p:~"))
673 (autoload 'scpaste "scpaste" nil t)
674 (autoload 'scpaste-region "scpaste" nil t)
675 (global-set-key (kbd "C-c p p") #'scpaste)
676 (global-set-key (kbd "C-c p r") #'scpaste-region)
677
678 \f
679 ;;; Editing
680
681 (when (featurep 'eldoc)
682 ;; Display Lisp objects at point in the echo area.
683 (with-eval-after-load 'eldoc
684 (setq eldoc-minor-mode-string " eldoc")
685 (global-eldoc-mode)))
686
687 ;; highlight matching parens
688 (run-with-idle-timer 0.2 nil #'require 'paren)
689 (with-eval-after-load 'paren
690 (show-paren-mode))
691
692 ;; (run-with-idle-timer 0.2 nil #'require 'elec-pair)
693 ;; (with-eval-after-load 'elec-pair
694 ;; (electric-pair-mode))
695
696 (with-eval-after-load 'simple
697 (setq
698 ;; Save what I copy into clipboard from other applications into Emacs'
699 ;; kill-ring, which would allow me to still be able to easily access
700 ;; it in case I kill (cut or copy) something else inside Emacs before
701 ;; yanking (pasting) what I'd originally intended to.
702 save-interprogram-paste-before-kill t)
703 (column-number-mode 1)
704 (line-number-mode 1))
705
706 (run-with-idle-timer 0.2 nil #'require 'savehist)
707 (with-eval-after-load 'savehist
708 ;; Save minibuffer history.
709 (setq savehist-file (b/var "savehist.el"))
710 (savehist-mode)
711 (add-to-list 'savehist-additional-variables 'kill-ring))
712
713 ;; Automatically save place in files.
714 (run-with-idle-timer 0.2 nil #'require 'saveplace nil 'noerror)
715 (with-eval-after-load 'saveplace
716 (setq save-place-file (b/var "save-place.el"))
717 (save-place-mode))
718
719 (with-eval-after-load 'prog-mode
720 (global-prettify-symbols-mode))
721
722 (add-to-list 'auto-mode-alist '("\\.*rc$" . conf-mode))
723 (add-to-list 'auto-mode-alist '("\\.bashrc$" . sh-mode))
724
725 (with-eval-after-load 'flyspell
726 (setq flyspell-mode-line-string " fly"))
727
728 (with-eval-after-load 'text-mode
729 (add-hook 'text-mode-hook #'flyspell-mode)
730 (define-key text-mode-map (kbd "C-<return>") #'b/insert-asterism))
731
732 ;; ;; http://endlessparentheses.com/ispell-and-apostrophes.html
733 ;; (run-with-idle-timer 0.6 nil #'require 'ispell)
734 ;; (with-eval-after-load 'ispell
735 ;; ;; ’ can be part of a word.
736 ;; (setq ispell-local-dictionary-alist
737 ;; `((nil "[[:alpha:]]" "[^[:alpha:]]"
738 ;; "['\x2019]" nil ("-B") nil utf-8))
739 ;; ispell-program-name (executable-find "hunspell"))
740 ;; ;; Don't send ’ to the subprocess.
741 ;; (defun endless/replace-apostrophe (args)
742 ;; (cons (replace-regexp-in-string
743 ;; "’" "'" (car args))
744 ;; (cdr args)))
745 ;; (advice-add #'ispell-send-string :filter-args
746 ;; #'endless/replace-apostrophe)
747 ;; ;; Convert ' back to ’ from the subprocess.
748 ;; (defun endless/replace-quote (args)
749 ;; (if (not (derived-mode-p 'org-mode))
750 ;; args
751 ;; (cons (replace-regexp-in-string
752 ;; "'" "’" (car args))
753 ;; (cdr args))))
754 ;; (advice-add #'ispell-parse-output :filter-args
755 ;; #'endless/replace-quote))
756
757 (with-eval-after-load 'abbrev
758 (setq abbrev-file-name (b/etc "abbrev.el")))
759 (add-hook 'text-mode-hook #'abbrev-mode)
760
761 \f
762 ;;; Programming modes
763
764 (with-eval-after-load 'lisp-mode
765 (defun indent-spaces-mode ()
766 (setq indent-tabs-mode nil))
767 (add-hook 'lisp-interaction-mode-hook #'indent-spaces-mode))
768
769 (add-to-list 'load-path (b/lisp "alloy-mode"))
770 (autoload 'alloy-mode "alloy-mode" nil t)
771 (with-eval-after-load 'alloy-mode
772 (setq alloy-basic-offset 2)
773 ;; (defun b/alloy-simple-indent (start end)
774 ;; (interactive "r")
775 ;; ;; (if (region-active-p)
776 ;; ;; (indent-rigidly start end alloy-basic-offset)
777 ;; ;; (if (bolp)
778 ;; ;; (indent-rigidly (line-beginning-position)
779 ;; ;; (line-end-position)
780 ;; ;; alloy-basic-offset)))
781 ;; (indent-to (+ (current-column) alloy-basic-offset)))
782 (define-key alloy-mode-map (kbd "RET") #'electric-newline-and-maybe-indent)
783 ;; (define-key alloy-mode-map (kbd "TAB") #'b/alloy-simple-indent)
784 (define-key alloy-mode-map (kbd "TAB") #'indent-for-tab-command))
785 (add-to-list 'auto-mode-alist '("\\.\\(als\\|dsh\\)\\'" . alloy-mode))
786 (add-hook 'alloy-mode-hook (lambda nil (setq-local indent-tabs-mode nil)))
787
788 ;; (eval-when-compile (defvar lean-mode-map))
789 ;; (run-with-idle-timer 0.4 nil #'require 'lean-mode)
790 ;; (with-eval-after-load 'lean-mode
791 ;; (require 'lean-input)
792 ;; (setq default-input-method "Lean"
793 ;; lean-input-tweak-all '(lean-input-compose
794 ;; (lean-input-prepend "/")
795 ;; (lean-input-nonempty))
796 ;; lean-input-user-translations '(("/" "/")))
797 ;; (lean-input-setup)
798 ;; ;; local key bindings
799 ;; (define-key lean-mode-map (kbd "S-SPC") #'company-complete))
800
801 (with-eval-after-load 'sgml-mode
802 (setq sgml-basic-offset 0))
803
804 (with-eval-after-load 'css-mode
805 (setq css-indent-offset 2))
806
807 ;; (with-eval-after-load 'auctex
808 ;; (setq font-latex-fontify-sectioning 'color))
809
810 (with-eval-after-load 'tex-mode
811 (cl-delete-if
812 (lambda (p) (string-match "^---?" (car p)))
813 tex--prettify-symbols-alist))
814 (add-hook 'tex-mode-hook #'auto-fill-mode)
815 (add-hook 'tex-mode-hook #'flyspell-mode)
816
817 (run-with-idle-timer 0.5 nil #'require 'cmake-mode)
818 (with-eval-after-load 'cmake-mode
819 ;; (setq cmake-tab-width 4)
820 (add-to-list 'load-path (b/lisp "cmake-font-lock"))
821 (run-with-idle-timer 0.5 nil #'require 'cmake-font-lock))
822
823 \f
824 ;;; Emacs enhancements & auxiliary packages
825
826 (with-eval-after-load 'nsm
827 (setq nsm-settings-file (b/var "nsm-settings.el")))
828
829 (with-eval-after-load 'man
830 (setq Man-width 80))
831
832 ;; ,----
833 ;; | make pretty boxed quotes like this
834 ;; `----
835 (run-with-idle-timer 0.6 nil #'require 'boxquote)
836 (with-eval-after-load 'boxquote
837 (defvar b/boxquote-prefix-map)
838 (define-prefix-command 'b/boxquote-prefix-map)
839 (global-set-key (kbd "C-c q") 'b/boxquote-prefix-map)
840 (define-key b/boxquote-prefix-map (kbd "b") #'boxquote-buffer)
841 (define-key b/boxquote-prefix-map (kbd "B") #'boxquote-insert-buffer)
842 (define-key b/boxquote-prefix-map (kbd "d") #'boxquote-defun)
843 (define-key b/boxquote-prefix-map (kbd "F") #'boxquote-insert-file)
844 (define-key b/boxquote-prefix-map (kbd "hf") #'boxquote-describe-function)
845 (define-key b/boxquote-prefix-map (kbd "hk") #'boxquote-describe-key)
846 (define-key b/boxquote-prefix-map (kbd "hv") #'boxquote-describe-variable)
847 (define-key b/boxquote-prefix-map (kbd "hw") #'boxquote-where-is)
848 (define-key b/boxquote-prefix-map (kbd "k") #'boxquote-kill)
849 (define-key b/boxquote-prefix-map (kbd "p") #'boxquote-paragraph)
850 (define-key b/boxquote-prefix-map (kbd "q") #'boxquote-boxquote)
851 (define-key b/boxquote-prefix-map (kbd "r") #'boxquote-region)
852 (define-key b/boxquote-prefix-map (kbd "s") #'boxquote-shell-command)
853 (define-key b/boxquote-prefix-map (kbd "t") #'boxquote-text)
854 (define-key b/boxquote-prefix-map (kbd "T") #'boxquote-title)
855 (define-key b/boxquote-prefix-map (kbd "u") #'boxquote-unbox)
856 (define-key b/boxquote-prefix-map (kbd "U") #'boxquote-unbox-region)
857 (define-key b/boxquote-prefix-map (kbd "y") #'boxquote-yank)
858 (define-key b/boxquote-prefix-map (kbd "M-q") #'boxquote-fill-paragraph)
859 (define-key b/boxquote-prefix-map (kbd "M-w") #'boxquote-kill-ring-save))
860
861 ;; `debbugs'
862 (global-set-key (kbd "C-c D d") #'debbugs-gnu)
863 (global-set-key (kbd "C-c D b") #'debbugs-gnu-bugs)
864 (global-set-key (kbd "C-c D e") ; bug-gnu-emacs
865 (lambda ()
866 (interactive)
867 (setq debbugs-gnu-current-suppress t)
868 (debbugs-gnu debbugs-gnu-default-severities
869 '("emacs"))))
870 (global-set-key (kbd "C-c D g") ; bug-gnuzilla
871 (lambda ()
872 (interactive)
873 (setq debbugs-gnu-current-suppress t)
874 (debbugs-gnu debbugs-gnu-default-severities
875 '("gnuzilla"))))
876
877 (with-eval-after-load 'url
878 (setq url-configuration-directory (b/var "url/configuration/")))
879
880 (with-eval-after-load 'url-cache
881 (setq url-cache-directory (b/var "url/cache/")))
882
883 (with-eval-after-load 'eww
884 (setq
885 eww-download-directory
886 (file-name-as-directory (getenv "XDG_DOWNLOAD_DIR"))))
887 (global-set-key (kbd "C-c e w") #'eww)
888
889 ;; (with-eval-after-load 'org-ref
890 ;; (setq
891 ;; reftex-default-bibliography '("~/usr/org/references.bib")
892 ;; org-ref-default-bibliography '("~/usr/org/references.bib")
893 ;; org-ref-bibliography-notes "~/usr/org/notes.org"
894 ;; org-ref-pdf-directory "~/usr/org/bibtex-pdfs/"))
895
896 (run-with-idle-timer
897 0.2 nil #'require 'display-fill-column-indicator nil 'noerror)
898 (with-eval-after-load 'display-fill-column-indicator
899 (global-display-fill-column-indicator-mode 1))
900
901 (with-eval-after-load 'window
902 (setq split-width-threshold 150)
903 (global-set-key (kbd "C-c w s l")
904 (lambda ()
905 (interactive)
906 (split-window-right)
907 (other-window 1)))
908 (global-set-key (kbd "C-c w s j")
909 (lambda ()
910 (interactive)
911 (split-window-below)
912 (other-window 1)))
913 (global-set-key (kbd "C-c w q") #'quit-window))
914
915 ;; Uncomment to disable reftex-cite's default choice of previous word.
916 ;; (with-eval-after-load 'reftex
917 ;; (require 'reftex-cite)
918 ;; (defun reftex-get-bibkey-default ()
919 ;; "If the cursor is in a citation macro, return the word before
920 ;; the macro."
921 ;; (let* ((macro (reftex-what-macro 1)))
922 ;; (save-excursion
923 ;; (when (and macro (string-match "cite" (car macro)))
924 ;; (goto-char (cdr macro)))
925 ;; (reftex-this-word)))))
926 (add-hook 'latex-mode-hook #'reftex-mode)
927
928 (add-to-list 'load-path (b/lisp "dmenu"))
929 (with-eval-after-load 'dmenu
930 (setq dmenu-prompt-string "run: "
931 dmenu-save-file (b/var "dmenu-items")))
932 (autoload 'dmenu "dmenu" nil t)
933
934 (run-with-idle-timer 0.5 nil #'require 'delight)
935 (with-eval-after-load 'delight
936 (delight 'auto-fill-function " f" "simple")
937 (delight 'abbrev-mode "" "abbrev")
938 (delight 'mml-mode " mml" "mml"))
939
940 (require 'bandali-po)
941
942 (with-eval-after-load 'emms
943 (setq emms-directory (b/var "emms")))
944
945 (add-to-list 'load-path (b/lisp "ffs"))
946 (run-with-idle-timer 0.5 nil #'require 'ffs)
947 (with-eval-after-load 'ffs
948 (global-set-key (kbd "C-c f s") #'ffs))
949
950 (add-to-list 'load-path (b/lisp "debian-el"))
951 (run-with-idle-timer 0.5 nil #'require 'debian-el)
952 (with-eval-after-load 'debian-el
953 (require 'apt-sources)
954 (require 'apt-utils)
955 (require 'debian-bug)
956 (require 'deb-view)
957 (require 'gnus-BTS)
958 (require 'preseed))
959
960 (add-to-list 'load-path (b/lisp "dpkg-dev-el"))
961 (run-with-idle-timer 0.5 nil #'require 'dpkg-dev-el)
962 (with-eval-after-load 'dpkg-dev-el
963 (require 'debian-changelog-mode)
964 (require 'debian-bts-control)
965 (require 'debian-changelog-mode)
966 (require 'debian-control-mode)
967 (require 'debian-copyright)
968 (require 'readme-debian))
969
970 ;;; init.el ends here