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Move builtin package initialisation from configuration.org to init.el

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Gergely Polonkai 2025-05-30 11:29:23 +02:00
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configuration.org
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@ -1,400 +1,3 @@
* Global built-in packages
** ~simple~, to always show the current column, and using visual lines in text modes
Column numbers help a lot in debugging, while visual line mode is easier on the eye when writing long text.
#+begin_src emacs-lisp
(use-package simple
:ensure nil
:custom
(column-number-mode t)
:hook
(text-mode . (lambda () (visual-line-mode t))))
#+end_src
** ~prog-mode~
Plus prettify all the symbols!
#+begin_src emacs-lisp
(use-package prog-mode
:ensure nil
:init
(setq prettify-symbols-alist
'(("lambda" . ?λ)
("function" . ?ƒ)
("map" . ?↦)
("not" . ?¬)
("and" . ?∧)
("or" . ?∨)))
:config
(global-prettify-symbols-mode t))
#+end_src
** ~thingatpt~
#+begin_src emacs-lisp
(use-package thingatpt
:ensure nil)
#+end_src
** ~nxml~
#+begin_src emacs-lisp
(use-package nxml-mode
:ensure nil
:custom
(nxml-attribute-indent 4)
(nxml-child-indent 4)
(nxml-outline-child-indent 4))
#+end_src
** ~recentf~
#+begin_src emacs-lisp
(use-package recentf
:ensure nil
:config
(run-at-time nil (* 5 60) 'recentf-save-list)
(add-to-list 'recentf-exclude (expand-file-name "elpa" user-emacs-directory)))
#+end_src
** ~files~
#+begin_src emacs-lisp
(use-package files
:ensure nil
:custom
(make-backup-file-name-function 'xah/backup-file-name))
#+end_src
** ~whitespace~
~whitespace-mode~ is turned on by default, and can be toggled with ~F10~.
#+begin_src emacs-lisp
(defun prevent-whitespace-mode-for-some ()
"Prevent whitespace-mode from running in some modes."
(and
(not (derived-mode-p 'magit-mode))
(not (derived-mode-p 'org-mode))))
(use-package whitespace
:demand
:config
(add-function :before-while whitespace-enable-predicate 'prevent-whitespace-mode-for-some)
(global-whitespace-mode 1)
:custom
(whitespace-line-column 120)
:bind
(([f10] . whitespace-mode)
([(shift f10)] . global-whitespace-mode)
:map gpolonkai/pers-map
("w" . whitespace-cleanup))
:custom-face
(whitespace-line ((t (:inherit nil :background "orange4")))))
#+end_src
** ~eshell~
This is a function to delete a character, or close ~eshell~ if there’s nothing to delete. Taken
from [[https://ryuslash.org/posts/C-d-to-close-eshell.html][here]].
#+begin_src emacs-lisp
(defun eshell-C-d ()
"Either call `delete-char' interactively or quit."
(interactive)
(condition-case err
(call-interactively #'delete-char)
(error (if (and (eq (car err) 'end-of-buffer)
(looking-back eshell-prompt-regexp nil))
(kill-buffer)
(signal (car err) (cdr err))))))
#+end_src
Function to bind it locally to =C-d=.
#+begin_src emacs-lisp
(defun gpolonkai/eshell-set-c-d-locally ()
(local-set-key (kbd "C-d") #'eshell-C-d))
#+end_src
This sends an alert when an eshell command is finished. Taken from
[[https://blog.hoetzel.info/post/eshell-notifications/][here]].
#+begin_src emacs-lisp
(defun eshell-command-alert (process status)
"Send `alert' with severity based on STATUS when PROCESS finished."
(let* ((cmd (process-command process))
(buffer (process-buffer process))
(msg (format "%s: %s" (mapconcat 'identity cmd " ") status)))
(if (string-prefix-p "finished" status)
(alert msg :buffer buffer :severity 'normal)
(alert msg :buffer buffer :severity 'urgent))))
#+end_src
Now set up eshell.
#+begin_src emacs-lisp
(use-package eshell
:bind
(:map gpolonkai/pers-map
("e" . eshell))
:hook
(eshell-mode . gpolonkai/eshell-set-c-d-locally)
(eshell-kill . eshell-command-alert))
#+end_src
** ~calendar~ & Co.
#+begin_src emacs-lisp
(use-package calendar
:ensure nil
:custom
(calendar-week-start-day 1))
(use-package cal-dst
:ensure nil
:custom
(calendar-time-zone 60)
(calendar-standard-time-zone-name "CET")
(calendar-daylight-time-zone-name "CEST"))
(use-package solar
:ensure nil
:custom
(calendar-latitude 47.4)
(calendar-longitude 19.0)
(calendar-location-name "Budapest, Hungary"))
#+end_src
*** Add Hungarian holidays to the calendar
I know this is the builtin packages section. Sorry for cheating.
#+begin_src emacs-lisp
(use-package hungarian-holidays
:config
(hungarian-holidays-add))
#+end_src
*** Add some other important dates to the calendar
#+begin_src emacs-lisp
(add-to-list 'holiday-other-holidays '(holiday-float 7 5 -1 "SysAdmin Day") t)
(add-to-list 'holiday-other-holidays '(holiday-fixed 10 21 "Reptile Awareness Day") t)
#+end_src
** ~saveplace~
#+begin_src emacs-lisp
(use-package saveplace
:ensure nil
:config
(save-place-mode 1)
:custom
(save-place-file (expand-file-name ".places" user-emacs-directory)))
#+end_src
** ~ediff~
#+begin_src emacs-lisp
(use-package ediff
:ensure nil
:custom
(ediff-merge-split-window-function 'split-window-horizontally)
(ediff-split-window-function 'split-window-vertically)
(ediff-window-setup-function 'ediff-setup-windows-plain))
#+end_src
** ~autorevert~
…unless they are modified, of course.
#+begin_src emacs-lisp
(use-package autorevert
:ensure nil
:config
(global-auto-revert-mode 1))
#+end_src
** ~eww~
For in-Emacs browsing needs.
#+begin_src emacs-lisp
(use-package eww
:custom
(eww-search-prefix "https://duckduckgo.com/html/?q="))
#+end_src
** ~electric~, for automatic indentation
#+begin_src emacs-lisp
(use-package electric
:config
;; This seems to be the default, but let’s make sure…
(electric-indent-mode 1))
#+end_src
** ~savehist~
#+begin_src emacs-lisp
(use-package savehist
:config
(savehist-mode 1))
#+end_src
** ~webjump~
#+begin_src emacs-lisp
(use-package webjump
:bind
(:map gpolonkai/pers-map
("j" . webjump)))
#+end_src
** ~which-func~
#+begin_src emacs-lisp
(defun gpolonkai/activate-which-func-mode ()
(if (fboundp 'which-function-mode)
(which-function-mode)
(which-func-mode)))
#+end_src
Enable ~which-func-mode~ in every ~prog-mode~ derived mode.
#+begin_src emacs-lisp
(use-package which-func
:config
(setq which-func-unknown "∅")
:hook
(prog-mode . gpolonkai/activate-which-func-mode))
#+end_src
** ~cookie1~, AKA fortune cookies
“Fortunes” are from the Hungarian version an ancient MS-DOS based program called ~TAGLINE~.
#+begin_src emacs-lisp
(use-package cookie1
:demand t
:custom
(cookie-file (expand-file-name "fortune-cookies.txt" user-emacs-directory))
:bind
(:map gpolonkai/pers-map
("k" . cookie)))
#+end_src
** ~dired~
#+begin_src emacs-lisp
(use-package dired
:ensure nil
:custom
(dired-dwim-target t)
(wdired-create-parent-directories t)
(wdired-allow-to-change-permissions t)
:bind
(:map dired-mode-map
("RET" . dired-find-alternate-file)
("^" . (lambda () (interactive) (find-alternate-file "..")))
("W" . wdired-change-to-wdired-mode)))
#+end_src
** ~goto-addr~, actionable URLs
#+begin_src emacs-lisp
(use-package goto-addr
:hook ((compilation-mode . goto-address-mode)
(prog-mode . goto-address-prog-mode)
(eshell-mode . goto-address-mode)
(shell-mode . goto-address-mode))
:bind
(:map goto-address-highlight-keymap
("<RET>" . goto-address-at-point)
("M-<RET>" . newline))
:commands (goto-address-prog-mode goto-address-mode))
#+end_src
** Do things at ~midnight~
Since my machine (and thus, my Emacs) is turned on pretty much 24/7, it’s a pretty good idea.
By default, it closes a bunch of unused buffers. I might add some more things there later.
#+begin_src emacs-lisp
(use-package midnight
:ensure nil
:config
(setq clean-buffer-list-kill-never-buffer-names '("*scratch*"
"*Messages*"
"*dashboard*"))
(midnight-mode t))
#+end_src
** ~display-line-numbers~
I usually don’t want to see them, but there are occasions when they’re useful.
#+begin_src emacs-lisp
(use-package display-line-numbers
:bind
(:map gpolonkai/pers-map
("C-n" . display-line-numbers-mode)))
#+end_src
** ~ispell~
#+begin_src emacs-lisp
(use-package ispell
:custom
(ispell-dictionary "en_GB")
(ispell-program-name "/usr/bin/hunspell")
:hook
(mail-send . ispell-message)
(message-send . ispell-message))
#+end_src
** ~speedbar~
This is basically just a dependency for [[*projectile-speedbar][projectile-speedbar]].
#+begin_src emacs-lisp
(use-package speedbar)
#+end_src
** ~browse-url~
This is a Termux-specific override.
#+begin_src emacs-lisp
(when (gpolonkai/termux-p)
(use-package browse-url
:ensure nil
:config
(advice-add 'browse-url-default-browser :override
(lambda (url &rest args)
(start-process-shell-command
"open-url"
nil
(concat "am start -a android.intent.action.VIEW --user 0 -d "
url))))))
#+end_src
** ~dabbrev~
I simply remap ~dabbrev-expand~ to a different key and replace the default binding with ~dabbrev-completion~.
#+begin_src emacs-lisp
(use-package dabbrev
:bind (("M-/" . dabbrev-completion)
("C-M-/" . dabbrev-expand)))
#+end_src
* Project management
** ~projectile~

254
init.el
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@ -276,6 +276,260 @@ order."
(put 'Info-edit 'disabled nil)
(put 'list-timers 'disabled nil)
;; simple to always show the current column, and using visual lines in text
;; modes
(use-package simple
:ensure nil
:custom
(column-number-mode t)
:hook
(text-mode . (lambda () (visual-line-mode t))))
(use-package prog-mode
:ensure nil
:init
(setq prettify-symbols-alist
'(("lambda" . ?λ)
("function" . ?ƒ)
("map" . ?↦)
("not" . ?¬)
("and" . ?∧)
("or" . ?∨)))
:config
(global-prettify-symbols-mode t))
(use-package thingatpt
:ensure nil)
(use-package nxml-mode
:ensure nil
:custom
(nxml-attribute-indent 4)
(nxml-child-indent 4)
(nxml-outline-child-indent 4))
(use-package recentf
:ensure nil
:config
(run-at-time nil (* 5 60) 'recentf-save-list)
(add-to-list 'recentf-exclude (expand-file-name "elpa" user-emacs-directory)))
(use-package files
:ensure nil
:custom
(make-backup-file-name-function 'xah/backup-file-name))
(defun prevent-whitespace-mode-for-some ()
"Prevent `whitespace-mode' from running in some modes."
(and
(not (derived-mode-p 'magit-mode))
(not (derived-mode-p 'org-mode))))
(use-package whitespace
:demand
:config
(add-function :before-while whitespace-enable-predicate 'prevent-whitespace-mode-for-some)
(global-whitespace-mode 1)
:custom
(whitespace-line-column 120)
:bind
(([f10] . whitespace-mode)
([(shift f10)] . global-whitespace-mode)
:map gpolonkai/pers-map
("w" . whitespace-cleanup))
:custom-face
(whitespace-line ((t (:inherit nil :background "orange4")))))
;; Taken from https://ryuslash.org/posts/C-d-to-close-eshell.html
(defun eshell-C-d ()
"Either call `delete-char' interactively or quit."
(interactive)
(condition-case err
(call-interactively #'delete-char)
(error (if (and (eq (car err) 'end-of-buffer)
(looking-back eshell-prompt-regexp nil))
(kill-buffer)
(signal (car err) (cdr err))))))
(defun gpolonkai/eshell-set-c-d-locally ()
"Bind my `eshell-C-d' function locally."
(local-set-key (kbd "C-d") #'eshell-C-d))
;; Taken from https://blog.hoetzel.info/post/eshell-notifications/
(defun eshell-command-alert (process status)
"Send `alert' with severity based on STATUS when PROCESS finished."
(let* ((cmd (process-command process))
(buffer (process-buffer process))
(msg (format "%s: %s" (mapconcat 'identity cmd " ") status)))
(if (string-prefix-p "finished" status)
(alert msg :buffer buffer :severity 'normal)
(alert msg :buffer buffer :severity 'urgent))))
(use-package eshell
:bind
(:map gpolonkai/pers-map
("e" . eshell))
:hook
(eshell-mode . gpolonkai/eshell-set-c-d-locally)
(eshell-kill . eshell-command-alert))
(use-package calendar
:ensure nil
:custom
(calendar-week-start-day 1))
(use-package cal-dst
:ensure nil
:custom
(calendar-time-zone 60)
(calendar-standard-time-zone-name "CET")
(calendar-daylight-time-zone-name "CEST"))
(use-package solar
:ensure nil
:custom
(calendar-latitude 47.4)
(calendar-longitude 19.0)
(calendar-location-name "Budapest, Hungary"))
;; TODO: This :config call can be omitted if i add it to the calendar-load-hook
(use-package hungarian-holidays
:config
(hungarian-holidays-add))
(add-to-list 'holiday-other-holidays '(holiday-float 7 5 -1 "SysAdmin Day") t)
(add-to-list 'holiday-other-holidays '(holiday-fixed 10 21 "Reptile Awareness Day") t)
(use-package saveplace
:ensure nil
:config
(save-place-mode 1)
:custom
(save-place-file (expand-file-name ".places" user-emacs-directory)))
(use-package ediff
:ensure nil
:custom
(ediff-merge-split-window-function 'split-window-horizontally)
(ediff-split-window-function 'split-window-vertically)
(ediff-window-setup-function 'ediff-setup-windows-plain))
(use-package autorevert
:ensure nil
:config
(global-auto-revert-mode 1))
(use-package eww
:custom
(eww-search-prefix "https://duckduckgo.com/html/?q="))
;; TODO: This :config call can be omitted if i add it to prog-mode-hook
(use-package electric
:config
;; This seems to be the default, but let’s make sure…
(electric-indent-mode 1))
(use-package savehist
:config
(savehist-mode 1))
(use-package webjump
:bind
(:map gpolonkai/pers-map
("j" . webjump)))
(defun gpolonkai/activate-which-func-mode ()
"Activate `which-func-mode' if it exists."
(if (fboundp 'which-function-mode)
(which-function-mode)
(which-func-mode)))
;; This :config call can be omitted if i add it to which-function-mode-hook
(use-package which-func
:config
(setq which-func-unknown "∅")
:hook
(prog-mode . gpolonkai/activate-which-func-mode))
;; “Fortunes” are from the Hungarian version an ancient MS-DOS based program called TAGLINE
(use-package cookie1
:demand t
:custom
(cookie-file (expand-file-name "fortune-cookies.txt" user-emacs-directory))
:bind
(:map gpolonkai/pers-map
("k" . cookie)))
(use-package dired
:ensure nil
:custom
(dired-dwim-target t)
(wdired-create-parent-directories t)
(wdired-allow-to-change-permissions t)
:bind
(:map dired-mode-map
("RET" . dired-find-alternate-file)
("^" . (lambda () (interactive) (find-alternate-file "..")))
("W" . wdired-change-to-wdired-mode)))
(use-package goto-addr
:hook ((compilation-mode . goto-address-mode)
(prog-mode . goto-address-prog-mode)
(eshell-mode . goto-address-mode)
(shell-mode . goto-address-mode))
:bind
(:map goto-address-highlight-keymap
("<RET>" . goto-address-at-point)
("M-<RET>" . newline))
:commands (goto-address-prog-mode goto-address-mode))
;; Close unused buffers at midnight.
(use-package midnight
:ensure nil
:custom
(clean-buffer-list-kill-never-buffer-names '("*scratch*"
"*Messages*"
"*dashboard*"))
:config
(midnight-mode t))
(use-package display-line-numbers
:bind
(:map gpolonkai/pers-map
("C-n" . display-line-numbers-mode)))
(use-package ispell
:custom
(ispell-dictionary "en_GB")
(ispell-program-name "/usr/bin/hunspell")
:hook
(mail-send . ispell-message)
(message-send . ispell-message))
(use-package speedbar)
;; A Termux-specific override for `browse-url'
(when (gpolonkai/termux-p)
(use-package browse-url
:ensure nil
:config
(advice-add 'browse-url-default-browser :override
(lambda (url &rest args)
(start-process-shell-command
"open-url"
nil
(concat "am start -a android.intent.action.VIEW --user 0 -d "
url))))))
(use-package dabbrev
:bind (("M-/" . dabbrev-completion)
("C-M-/" . dabbrev-expand)))
;; I started moving my configuration to this Org file. It’s easier to document this way.
(org-babel-load-file (expand-file-name "configuration.org" user-emacs-directory))