;;; Commentary:
;; Emacs configuration of Amin Bandali, computer scientist, functional
-;; programmer, and free software advocate.
-
-;; THIS FILE IS AUTO-GENERATED FROM `init.org'.
+;; programmer, and free software advocate. Uses straight.el for
+;; purely functional and fully reproducible package management.
+
+;; Over the years, I've taken inspiration from configurations of many
+;; great people. Some that I can remember off the top of my head are:
+;;
+;; - https://github.com/dieggsy/dotfiles
+;; - https://github.com/dakra/dmacs
+;; - http://pages.sachachua.com/.emacs.d/Sacha.html
+;; - https://github.com/dakrone/eos
+;; - http://doc.rix.si/cce/cce.html
+;; - https://github.com/jwiegley/dot-emacs
+;; - https://github.com/wasamasa/dotemacs
+;; - https://github.com/hlissner/doom-emacs
;;; Code:
+;;; Emacs initialization
+
(defvar a/before-user-init-time (current-time)
"Value of `current-time' when Emacs begins loading `user-init-file'.")
(message "Loading Emacs...done (%.3fs)"
(float-time (time-subtract a/before-user-init-time
before-init-time)))
+;; temporarily increase `gc-cons-threshhold' and `gc-cons-percentage'
+;; during startup to reduce garbage collection frequency. clearing
+;; `file-name-handler-alist' seems to help reduce startup time too.
(defvar a/gc-cons-threshold gc-cons-threshold)
(defvar a/gc-cons-percentage gc-cons-percentage)
(defvar a/file-name-handler-alist file-name-handler-alist)
;; sidesteps a bug when profiling with esup
esup-child-profile-require-level 0)
+;; set them back to their defaults once we're done initializing
(add-hook
'after-init-hook
(lambda ()
gc-cons-percentage a/gc-cons-percentage
file-name-handler-alist a/file-name-handler-alist)))
+;; increase number of lines kept in *Messages* log
(setq message-log-max 20000)
+;; optionally, uncomment to supress some byte-compiler warnings
+;; (see C-h v byte-compile-warnings RET for more info)
;; (setq byte-compile-warnings
;; '(not free-vars unresolved noruntime lexical make-local))
+\f
+;;; whoami
+
(setq user-full-name "Amin Bandali"
user-mail-address "amin@bndl.org")
+\f
+;;; comment macro
+
+;; useful for commenting out multiple sexps at a time
+(defmacro comment (&rest _)
+ "Comment out one or more s-expressions."
+ (declare (indent defun))
+ nil)
+
+\f
+;;; Package management
+
+;; No package.el (for emacs 26 and before, uncomment the following)
+;; Not necessary when using straight.el
+;; (C-h v straight-package-neutering-mode RET)
+
+(comment
+ (setq package-enable-at-startup nil)
+ ;; (package-initialize)
+ )
+
+;; for emacs 27 and later, we use early-init.el. see
+;; https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=24acb31c04b4048b85311d794e600ecd7ce60d3b
+
+;; straight.el
+
;; Main engine start...
(setq straight-repository-branch "develop"
(straight-mark-transaction-as-init)
(load user-init-file)))
+;; use-package
(straight-use-package 'use-package)
(if nil ; set to t when need to debug init
(progn
(setq use-package-always-defer t)
(require 'bind-key)
-;; comment macro, useful for commenting out multiple sexps at a time
-(defmacro comment (&rest _)
- "Comment out one or more s-expressions."
- (declare (indent defun))
- nil)
-
+;; for browsing the Emacsmirror package database
+(comment
+ (use-package epkg
+ :commands (epkg-list-packages epkg-describe-package)
+ :bind
+ (("C-c p e d" . epkg-describe-package)
+ ("C-c p e p" . epkg-list-packages))
+ :config
+ (setq epkg-repository "~/.emacs.d/straight/repos/epkgs/")
+ (eval-when-compile (defvar ivy-initial-inputs-alist))
+ (with-eval-after-load 'ivy
+ (add-to-list
+ 'ivy-initial-inputs-alist '(epkg-describe-package . "^") t))))
+
+\f
+;;; Initial setup
+
+;; keep ~/.emacs.d clean
(use-package no-littering
:demand t
:config
(setq auto-save-file-name-transforms
`((".*" ,(no-littering-expand-var-file-name "auto-save/") t))))
+;; separate custom file (don't want it mixing with init.el)
(use-feature custom
:no-require t
:config
(setq custom-file (no-littering-expand-etc-file-name "custom.el"))
(when (file-exists-p custom-file)
(load custom-file))
+ ;; while at it, treat themes as safe
(setf custom-safe-themes t))
+;; load the secrets file if it exists, otherwise show a warning
(with-demoted-errors
(load (no-littering-expand-etc-file-name "secrets")))
+;; better $PATH (and other environment variable) handling
(use-package exec-path-from-shell
:defer 0.4
:init
(exec-path-from-shell-copy-env "SSH_AGENT_PID")
(exec-path-from-shell-copy-env "SSH_AUTH_SOCK"))
+
+;; only one custom theme at a time
+(comment
+ (defadvice load-theme (before clear-previous-themes activate)
+ "Clear existing theme settings instead of layering them"
+ (mapc #'disable-theme custom-enabled-themes)))
+
+;; start up emacs server. see
+;; https://www.gnu.org/software/emacs/manual/html_node/emacs/Emacs-Server.html#Emacs-Server
(use-feature server
:defer 0.4
:config (or (server-running-p) (server-mode)))
+;; unicode support
+(comment
+ (dolist (ft (fontset-list))
+ (set-fontset-font
+ ft
+ 'unicode
+ (font-spec :name "Source Code Pro" :size 14))
+ (set-fontset-font
+ ft
+ 'unicode
+ (font-spec :name "DejaVu Sans Mono")
+ nil
+ 'append)
+ ;; (set-fontset-font
+ ;; ft
+ ;; 'unicode
+ ;; (font-spec
+ ;; :name "Symbola monospacified for DejaVu Sans Mono")
+ ;; nil
+ ;; 'append)
+ ;; (set-fontset-font
+ ;; ft
+ ;; #x2115 ; ℕ
+ ;; (font-spec :name "DejaVu Sans Mono")
+ ;; nil
+ ;; 'append)
+ (set-fontset-font
+ ft
+ (cons ?Α ?ω)
+ (font-spec :name "DejaVu Sans Mono" :size 14)
+ nil
+ 'prepend)))
+
+;; gentler font resizing
(setq text-scale-mode-step 1.05)
+;; focus follows mouse
(setq mouse-autoselect-window t)
(defun a/no-mouse-autoselect-window ()
+ "Conveniently disable `focus-follows-mouse'.
+For disabling the behaviour for certain buffers and/or modes."
(make-local-variable 'mouse-autoselect-window)
(setq mouse-autoselect-window nil))
+;; better scrolling
(setq ;; scroll-margin 1
;; scroll-conservatively 10000
scroll-step 1
:defer 0.4
:config (pixel-scroll-mode 1))
+;; ask for GPG passphrase in minibuffer
(setq epg-pinentry-mode 'loopback)
+;; useful libraries
(require 'cl-lib)
(require 'subr-x)
+\f
+;;; Useful utilities
+
(defmacro a/setq-every (value &rest vars)
"Set all the variables from VARS to value VALUE."
(declare (indent defun) (debug t))
program
(remove nil (list args (dired-get-file-for-visit)))))
+(defun a/add-elisp-section ()
+ (interactive)
+ (insert "\n")
+ (previous-line)
+ (insert "\n\f\n;;; "))
+
+\f
+;;; Defaults
+
+;; time and battery in mode-line
+(comment
+ (use-package time
+ :init
+ (setq display-time-default-load-average nil)
+ :config
+ (display-time-mode))
+
+ (use-package battery
+ :config
+ (display-battery-mode)))
+
+;; smaller fringe
;; (fringe-mode '(3 . 1))
(fringe-mode nil)
+;; disable disabled commands
(setq disabled-command-function nil)
+;; Save what I copy into clipboard from other applications into Emacs'
+;; kill-ring, which would allow me to still be able to easily access
+;; it in case I kill (cut or copy) something else inside Emacs before
+;; yanking (pasting) what I'd originally intended to.
(setq save-interprogram-paste-before-kill t)
+;; minibuffer
(setq enable-recursive-minibuffers t
resize-mini-windows t)
+;; lazy-person-friendly yes/no prompts
(defalias 'yes-or-no-p #'y-or-n-p)
+;; i want *scratch* as my startup buffer
(setq initial-buffer-choice t)
+;; i don't need the default hint
(setq initial-scratch-message nil)
+;; use customizable text-mode as major mode for *scratch*
(setq initial-major-mode 'text-mode)
+;; inhibit buffer list when more than 2 files are loaded
(setq inhibit-startup-buffer-menu t)
+;; don't need to see the startup screen or the echo area message
(advice-add #'display-startup-echo-area-message :override #'ignore)
(setq inhibit-startup-screen t
inhibit-startup-echo-area-message user-login-name)
+;; more useful frame titles
(setq frame-title-format
'("" invocation-name " - "
(:eval (if (buffer-file-name)
(abbreviate-file-name (buffer-file-name))
"%b"))))
+;; backups (C-h v make-backup-files RET)
(setq backup-by-copying t
version-control t
delete-old-versions t)
+;; enable automatic reloading of changed buffers and files
(global-auto-revert-mode 1)
(setq auto-revert-verbose nil
global-auto-revert-non-file-buffers nil)
+;; always use space for indentation
(setq-default
indent-tabs-mode nil
require-final-newline t
tab-width 4)
+;; enable winner-mode (C-h f winner-mode RET)
(winner-mode 1)
+;; don't display *compilation* buffer on success. based on
+;; https://stackoverflow.com/a/17788551, with changes to use `cl-letf'
+;; instead of the now obsolete `flet'.
(with-eval-after-load 'compile
(defun a/compilation-finish-function (buffer outstr)
(unless (string-match "finished" outstr)
ad-do-it))
(ad-activate 'compilation-start))
+;; search for non-ASCII characters: i’d like non-ASCII characters such
+;; as ‘’“”«»‹›áⓐ𝒶 to be selected when i search for their ASCII
+;; counterpart. shoutout to
+;; http://endlessparentheses.com/new-in-emacs-25-1-easily-search-non-ascii-characters.html
(setq search-default-mode #'char-fold-to-regexp)
-
;; uncomment to extend this behaviour to query-replace
;; (setq replace-char-fold t)
+;; cursor shape
(setq-default cursor-type 'bar)
+;; allow scrolling in Isearch
(setq isearch-allow-scroll t)
+\f
+;;; General bindings
+
(bind-keys
("C-c a i" . ielm)
("C-x K" . kill-buffer)
("s-p" . beginning-of-buffer)
- ("s-n" . end-of-buffer))
+ ("s-n" . end-of-buffer)
+
+ :map emacs-lisp-mode-map
+ ("<C-return>" . a/add-elisp-section))
(when (display-graphic-p)
(unbind-key "C-z" global-map))
("p P" . straight-push-package)
("p r" . straight-rebuild-package))
+\f
+;;; Essential packages
+
(use-package auto-compile
:demand t
:config
(add-hook 'auto-compile-inhibit-compile-hook
'auto-compile-inhibit-compile-detached-git-head))
+;; use the org-plus-contrib package to get the whole deal
(straight-use-package 'org-plus-contrib)
(use-feature org
:config
(ox-extras-activate '(latex-header-blocks ignore-headlines)))
+;; asynchronous tangle, using emacs-async to asynchronously tangle an
+;; org file. closely inspired by
+;; https://github.com/dieggsy/dotfiles/tree/cc10edf7701958eff1cd94d4081da544d882a28c/emacs.d#dotfiles
(with-eval-after-load 'org
(defvar a/show-async-tangle-results nil
"Keep *emacs* async buffers around for later inspection.")
'safe-local-variable-values
'(eval add-hook 'after-save-hook #'a/async-babel-tangle 'append 'local))
+;; *the* right way to do git
(use-package magit
:defer 0.5
:bind (("C-x g" . magit-status)
([unpushed status] . show)))
:custom-face (magit-diff-file-heading ((t (:weight normal)))))
+;; recently opened files
(use-feature recentf
:defer 0.2
:config
(add-to-list 'recentf-exclude "^/\\(?:ssh\\|su\\|sudo\\)?:")
(setq recentf-max-saved-items 40))
+;; smart M-x enhancement (needed by counsel for history)
(use-package smex)
(use-package ivy
(counsel-mode 1)
(defalias 'locate #'counsel-locate))
+(comment
+ (use-package helm
+ :commands (helm-M-x helm-mini helm-resume)
+ :bind (("M-x" . helm-M-x)
+ ("M-y" . helm-show-kill-ring)
+ ("C-x b" . helm-mini)
+ ("C-x C-b" . helm-buffers-list)
+ ("C-x C-f" . helm-find-files)
+ ("C-h r" . helm-info-emacs)
+ ("s-r" . helm-recentf)
+ ("C-s-r" . helm-resume)
+ :map helm-map
+ ("<tab>" . helm-execute-persistent-action)
+ ("C-i" . helm-execute-persistent-action) ; Make TAB work in terminals
+ ("C-z" . helm-select-action)) ; List actions
+ :config (helm-mode 1)))
+
(use-feature eshell
:defer 0.5
:commands eshell
:bind (:map doc-view-mode-map
("M-RET" . image-previous-line)))
+\f
+;;; Editing
+
+;; highlight uncommitted changes in the left fringe
(use-package diff-hl
:config
(setq diff-hl-draw-borders nil)
(global-diff-hl-mode)
:hook (magit-post-refresh . diff-hl-magit-post-refresh))
+;; display Lisp objects at point in the echo area
(use-feature eldoc
:when (version< "25" emacs-version)
:config (global-eldoc-mode))
+;; highlight matching parens
(use-feature paren
:demand
:config (show-paren-mode))
(use-feature simple
:config (column-number-mode))
+;; save minibuffer history
(use-feature savehist
:config (savehist-mode))
+;; automatically save place in files
(use-feature saveplace
:when (version< "25" emacs-version)
:config (save-place-mode))
(advice-add #'ispell-parse-output :filter-args
#'endless/replace-quote))
+\f
+;;; Programming modes
+
(use-feature lisp-mode
:config
(add-hook 'emacs-lisp-mode-hook 'outline-minor-mode)
:mode "\\.als\\'"
:config (setq alloy-basic-offset 2))
-(use-package proof-site ; Proof General
+(use-package proof-site ; for Coq
:straight proof-general)
(eval-when-compile (defvar lean-mode-map))
(use-package flycheck-haskell
:after haskell-mode)
+;; alternative: hs-lint https://github.com/ndmitchell/hlint/blob/20e116a043f2073c57b17b24ae6364b5e433ba7e/data/hs-lint.el
(use-package sgml-mode
:config
(setq emmet-move-cursor-between-quotes t)
:hook (web-mode css-mode html-mode sgml-mode))
+(comment
+ (use-package meghanada
+ :bind
+ (:map meghanada-mode-map
+ (("C-M-o" . meghanada-optimize-import)
+ ("C-M-t" . meghanada-import-all)))
+ :hook (java-mode . meghanada-mode)))
+
+(comment
+ (use-package treemacs
+ :config (setq treemacs-never-persist t))
+
+ (use-package yasnippet
+ :config
+ ;; (yas-global-mode)
+ )
+
+ (use-package lsp-mode
+ :init (setq lsp-eldoc-render-all nil
+ lsp-highlight-symbol-at-point nil)
+ )
+
+ (use-package hydra)
+
+ (use-package company-lsp
+ :after company
+ :config
+ (setq company-lsp-cache-candidates t
+ company-lsp-async t))
+
+ (use-package lsp-ui
+ :config
+ (setq lsp-ui-sideline-update-mode 'point))
+
+ (use-package lsp-java
+ :config
+ (add-hook 'java-mode-hook
+ (lambda ()
+ (setq-local company-backends (list 'company-lsp))))
+
+ (add-hook 'java-mode-hook 'lsp-java-enable)
+ (add-hook 'java-mode-hook 'flycheck-mode)
+ (add-hook 'java-mode-hook 'company-mode)
+ (add-hook 'java-mode-hook 'lsp-ui-mode))
+
+ (use-package dap-mode
+ :after lsp-mode
+ :config
+ (dap-mode t)
+ (dap-ui-mode t))
+
+ (use-package dap-java
+ :after (lsp-java))
+
+ (use-package lsp-java-treemacs
+ :after (treemacs)))
+
+(comment
+ (use-package eclim
+ :bind (:map eclim-mode-map ("S-SPC" . company-complete))
+ :hook ((java-mode . eclim-mode)
+ (eclim-mode . (lambda ()
+ (make-local-variable 'company-idle-delay)
+ (defvar company-idle-delay)
+ ;; (setq company-idle-delay 0.7)
+ (setq company-idle-delay nil))))
+ :custom
+ (eclim-auto-save nil)
+ ;; (eclimd-default-workspace "~/src/eclipse-workspace-exp")
+ (eclim-executable "~/.p2/pool/plugins/org.eclim_2.8.0/bin/eclim")
+ (eclim-eclipse-dirs '("~/usr/eclipse/dsl-2018-09/eclipse"))))
+
(use-package geiser)
(use-feature geiser-guile
(use-package guix)
+(comment
+ (use-package auctex
+ :custom
+ (font-latex-fontify-sectioning 'color)))
+
+\f
+;;; Theme
+
+(add-to-list 'custom-theme-load-path "~/.emacs.d/lisp")
+(load-theme 'tangomod t)
+
+(use-package smart-mode-line
+ :commands (sml/apply-theme)
+ :demand
+ :config
+ (sml/setup))
+
+(use-package doom-themes)
+
+(defvar a/org-mode-font-lock-keywords
+ '(("[ \t]*\\(#\\+\\(BEGIN\\|END\\|begin\\|end\\)_\\(\\S-+\\)\\)[ \t]*\\([^\n:]*\\)"
+ (1 '(:foreground "#5a5b5a" :background "#292b2b") t) ; directive
+ (3 '(:foreground "#81a2be" :background "#292b2b") t) ; kind
+ (4 '(:foreground "#c5c8c6") t)))) ; title
+
+(defun a/lights-on ()
+ "Enable my favourite light theme."
+ (interactive)
+ (mapc #'disable-theme custom-enabled-themes)
+ (load-theme 'tangomod t)
+ (sml/apply-theme 'automatic)
+ (font-lock-remove-keywords
+ 'org-mode a/org-mode-font-lock-keywords))
+
+(defun a/lights-off ()
+ "Go dark."
+ (interactive)
+ (mapc #'disable-theme custom-enabled-themes)
+ (load-theme 'doom-tomorrow-night t)
+ (sml/apply-theme 'automatic)
+ (font-lock-add-keywords
+ 'org-mode a/org-mode-font-lock-keywords t))
+
+(bind-keys
+ ("s-t d" . a/lights-off)
+ ("s-t l" . a/lights-on))
+
+\f
+;;; Emacs enhancements & auxiliary packages
+
(use-feature man
:config (setq Man-width 80))
(which-key-add-column-padding 5)
(which-key-max-description-length 32))
-(add-to-list 'custom-theme-load-path "~/.emacs.d/lisp")
-(load-theme 'tangomod t)
-
-(use-package smart-mode-line
- :commands (sml/apply-theme)
- :demand
- :config
- (sml/setup))
-
-(use-package doom-themes)
-
-(defvar a/org-mode-font-lock-keywords
- '(("[ \t]*\\(#\\+\\(BEGIN\\|END\\|begin\\|end\\)_\\(\\S-+\\)\\)[ \t]*\\([^\n:]*\\)"
- (1 '(:foreground "#5a5b5a" :background "#292b2b") t) ; directive
- (3 '(:foreground "#81a2be" :background "#292b2b") t) ; kind
- (4 '(:foreground "#c5c8c6") t)))) ; title
-
-(defun a/lights-on ()
- "Enable my favourite light theme."
- (interactive)
- (mapc #'disable-theme custom-enabled-themes)
- (load-theme 'tangomod t)
- (sml/apply-theme 'automatic)
- (font-lock-remove-keywords
- 'org-mode a/org-mode-font-lock-keywords))
-
-(defun a/lights-off ()
- "Go dark."
- (interactive)
- (mapc #'disable-theme custom-enabled-themes)
- (load-theme 'doom-tomorrow-night t)
- (sml/apply-theme 'automatic)
- (font-lock-add-keywords
- 'org-mode a/org-mode-font-lock-keywords t))
-
-(bind-keys
- ("s-t d" . a/lights-off)
- ("s-t l" . a/lights-on))
-
-(use-package crux ; results in Waiting for git... [2 times]
+(use-package crux ; results in Waiting for git... [2 times]
:defer 0.4
:bind (("C-c b k" . crux-kill-other-buffers)
("C-c d" . crux-duplicate-current-line-or-region)
:custom
(unkillable-buffers '("^\\*scratch\\*$" "^\\*Messages\\*$")))
+;; ,----
+;; | make pretty boxed quotes like this
+;; `----
(use-package boxquote
:defer 0.6
:bind
("M-w" . boxquote-kill-ring-save)))
(use-package orgalist
+ ;; http://lists.gnu.org/archive/html/emacs-orgmode/2019-04/msg00007.html
:disabled t
:after message
:hook (message-mode . orgalist-mode))
+;; easily type pretty quotes & other typography, like ‘’“”-–—«»‹›
(use-package typo
:defer 0.5
:config
(typo-global-mode 1)
:hook (text-mode . typo-mode))
+;; highlight TODOs in buffers
(use-package hl-todo
:defer 0.5
:config
'("C-z" "C-x" "C-c" "C-h" "C-y" "<ESC>")))
(use-package page-break-lines
+ :defer 0.5
:config
(global-page-break-lines-mode))
org-ref-bibliography-notes "~/usr/org/notes.org"
org-ref-pdf-directory "~/usr/org/bibtex-pdfs/"))
+;; ugh, temporary (still better than using the proprietary web app)
(use-package slack
:commands (slack-start)
:init
:init
(setq alert-default-style 'notifier))
+\f
+;;; Email (with Gnus)
+
(defvar a/maildir (expand-file-name "~/mail/"))
(with-eval-after-load 'recentf
(add-to-list 'recentf-exclude a/maildir))
(use-package message-x)
+(comment
+ (use-package message-x
+ :custom
+ (message-x-completion-alist
+ (quote
+ (("\\([rR]esent-\\|[rR]eply-\\)?[tT]o:\\|[bB]?[cC][cC]:" . gnus-harvest-find-address)
+ ((if
+ (boundp
+ (quote message-newgroups-header-regexp))
+ message-newgroups-header-regexp message-newsgroups-header-regexp)
+ . message-expand-group))))))
+
+(comment
+ (use-package gnus-harvest
+ :commands gnus-harvest-install
+ :demand t
+ :config
+ (if (featurep 'message-x)
+ (gnus-harvest-install 'message-x)
+ (gnus-harvest-install))))
+
+\f
+;;; IRC
+
(use-package znc
:straight (:host nil :repo "https://git.bndl.org/amin/znc.el")
:bind (("C-c a e e" . znc-erc)
("znc.bndl.org" 1337 t
((moznet "amin/moznet" ,pwd)))))))
+\f
+;;; Post initialization
+
(message "Loading %s...done (%.3fs)" user-init-file
(float-time (time-subtract (current-time)
a/before-user-init-time)))