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diff --git a/emacs/.emacs.d/main.el b/emacs/.emacs.d/main.el new file mode 100644 index 00000000..0ca1211c --- /dev/null +++ b/emacs/.emacs.d/main.el @@ -0,0 +1,2821 @@ +;;; emacs-config --- Summary +;; #+TITLE: Emacs Configuration for Alan Pearce +;; #+OPTIONS: ^:nil +;; #+PROPERTY: results silent +;; #+PROPERTY: eval no-export +;; #+PROPERTY: header-args :comments link +;;; Header: +;; This is a living document, detailing my Emacs configuration using org-mode +;;; Code: +;; ** Basics +;; *** Startup +;; Open Emacs with just a plain window. No graphics or messages, please! +;; #+BEGIN_SRC emacs-lisp +(put 'inhibit-startup-echo-area-message 'saved-value + (setq inhibit-startup-echo-area-message (user-login-name))) +(setq inhibit-startup-screen t) +(setq gc-cons-threshold 100000000) +(add-hook 'after-init-hook + (lambda () + (setq gc-cons-threshold 800000))) +(remove-hook 'find-file-hooks #'vc-refresh-state) +;; #+END_SRC + +;; Are we running on Windows via the WSL? + +;; #+BEGIN_SRC emacs-lisp +(when (file-exists-p "/proc/sys/kernel/osrelease") + (with-temp-buffer + (insert-file-contents-literally "/proc/sys/kernel/osrelease") + (decode-coding-region (point-min) (point-max) 'utf-8 t) + (when (string-match "Microsoft$" (buffer-string)) + (setq system-type 'gnu/linux/windows)))) +;; #+END_SRC + +;; *** Compatibility + +;; #+BEGIN_SRC emacs-lisp +(if (version< emacs-version "25.0") + (defmacro with-eval-after-load (file &rest body) + `(eval-after-load ,file (lambda () ,@body)))) +;; #+END_SRC + +;; *** Scratch buffers +;; I usually use scratch buffers for any sort of text. If I need a +;; programming mode in one, then I’ll just call it manually. I also like +;; the buffer to be empty. +;; #+BEGIN_SRC emacs-lisp +(setq initial-scratch-message "" + initial-major-mode 'text-mode) +;; #+END_SRC + +;; *** Personal Information +;; #+BEGIN_SRC emacs-lisp +(setq user-mail-address "alan@alanpearce.eu" + user-full-name "Alan Pearce") +;; #+end_src + +;; ** Packaging + +;; *** Use-package + +;; #+BEGIN_SRC emacs-lisp +(eval-and-compile + (require 'seq) + (defvar nix-emacs (and (string-match "^/nix/store" invocation-directory) + (not (null (seq-some (lambda (dir) (string-match "^/nix/store" dir)) load-path))))) + + (setq tls-checktrust t + gnutls-verify-error t + package-menu-async t + package-user-dir (concat "~/.emacs.d/packages/" emacs-version "/elpa") + package-menu-hide-low-priority t) + (unless nix-emacs + (setq package-archives '(("gnu" . "https://elpa.gnu.org/packages/") + ("melpa-stable" . "https://stable.melpa.org/packages/") + ("melpa" . "https://melpa.org/packages/")) + package-pinned-packages '(("use-package" . melpa-stable) + ("diminish" . melpa-stable) + ("bind-key" . melpa-stable)) + package-archive-priorities '(("melpa" . 10) + ("gnu" . 10) + ("melpa-stable" . 5) + ("marmalade" . 0)))) + (when (eq system-type 'darwin) + (with-eval-after-load "gnutls" + (add-to-list 'gnutls-trustfiles "/etc/ssl/cert.pem"))) + (unless nix-emacs + (unless (package-installed-p 'use-package) + (package-refresh-contents) + (package-install 'use-package)))) +(eval-when-compile (require 'use-package)) +(unless (featurep 'use-package) + (require 'diminish) + (require 'bind-key) + (use-package use-package + :commands (use-package-autoload-keymap) + :defer 5)) +(setq use-package-always-ensure (not nix-emacs) + use-package-always-demand (daemonp) + package-enable-at-startup nil) +;; #+END_SRC + +;; *** Helpers + +;; **** Hook Helpers + +;; An improvement over add-hook with lamda functions that allows +;; modification and removal, without the boilerplate of an extra function +;; definition. + +;; #+BEGIN_SRC emacs-lisp +(eval-and-compile + (use-package hook-helpers)) +;; #+END_SRC + +;; ** Customize +;; I don’t really like using customize for normal configuration. +;; Instead, I use it for things that get saved automatically. That’s why +;; I use a different file, which is ignored by the VCS. It also means +;; that it’s not important whether the file exists or not, which is why I +;; pass =:noerror= to =load= + +;; #+BEGIN_SRC emacs-lisp +(setq custom-file "~/.emacs.d/custom.el") +(load custom-file :noerror :nomessage) +;; #+END_SRC + +;; ** Styles + +;; I prefer an always-visible cursor. Feels less distracting. +;; #+BEGIN_SRC emacs-lisp +(when (fboundp #'blink-cursor-mode) + (blink-cursor-mode -1)) +;; #+END_SRC + +;; Disable all the bars, unless on OSX, in which case, keep the menu bar. + +;; #+BEGIN_SRC emacs-lisp +(when (and menu-bar-mode (not (eq window-system 'ns))) + (menu-bar-mode -1)) +(with-eval-after-load 'scroll-bar + (set-scroll-bar-mode nil)) +(with-eval-after-load 'tooltip + (tooltip-mode -1)) +(with-eval-after-load 'tool-bar + (tool-bar-mode -1)) +;; #+END_SRC + +;; Ring the bell sometimes, but not so often +;; #+BEGIN_SRC emacs-lisp +(setq ring-bell-function + (lambda () + (unless (memq this-command + '(isearch-abort abort-recursive-edit exit-minibuffer keyboard-quit undo-tree-undo)) + (ding)))) +;; #+END_SRC + +;; *** Colours + +;; Eziam looks nice, too, except for the non-white background. I prefer +;; white because most other application backgrounds are that colour. + +;; #+BEGIN_SRC emacs-lisp +(use-package eziam-light-theme + :ensure eziam-theme + :disabled t + :if (or window-system + (daemonp)) + :defines (eziam-scale-headings) + :config (progn + (setq eziam-scale-headings nil) + (load-theme 'eziam-light t) + (custom-theme-set-faces 'user + '(default ((t (:background "#ffffff")))) + '(js2-function-call ((t (:underline nil)))) + '(js2-object-property ((t (:slant normal)))) + '(font-lock-keyword-face ((t (:weight normal)))) + '(git-gutter-fr:added ((t (:foreground "#96a4ab")))) + '(git-gutter-fr:modified ((t (:foreground "#96a4ab")))) + '(git-gutter-fr:deleted ((t (:foreground "#96a4ab"))))))) +;; #+END_SRC + +;; White-theme. Sounds like a good idea. + +;; #+BEGIN_SRC emacs-lisp +(use-package white-theme + :if (or window-system + (daemonp)) + :config (progn + (load-theme 'white t) + (custom-theme-set-faces 'user + '(git-gutter-fr:added ((t (:foreground "#b8b8b8")))) + '(git-gutter-fr:modified ((t (:foreground "#b8b8b8")))) + '(git-gutter-fr:deleted ((t (:foreground "#b8b8b8")))) + '(font-lock-string-face ((t (:slant normal))))))) +;; #+END_SRC + +;; Base16 theming allows me have a consistent style between applications +;; quite easily. + +;; #+BEGIN_SRC emacs-lisp +(use-package base16-theme + :if (or window-system + (daemonp))) +;; #+END_SRC + +;; Highlighting quasi-quoted expressions in lisps is quite useful, but I +;; don't need it all the time. I'll keep it around for a while so that I +;; can enable it if needed. +;; #+BEGIN_SRC emacs-lisp +(use-package highlight-stages + :diminish highlight-stages-mode) +;; #+END_SRC + +;; *** Fonts + +;; When possible, set up fonts. I don’t have any settings here for X11, +;; because I manage those in my [[file:~/projects/dotfiles/tag-xresources/xresources/main][XResources file]]. +;; #+BEGIN_SRC emacs-lisp +(when (or (display-graphic-p) + (daemonp)) + + (defun use-variable-fonts () + (interactive) + (variable-pitch-mode) + (setq cursor-type '(bar . 1))) + + (defun ap/set-fonts (mono-face mono-font-size variable-face variable-font-size antialias &optional new-line-spacing) + (if (boundp 'ns-antialias-text) + (setq ns-antialias-text antialias)) + (if (boundp 'new-line-spacing) + (setq line-spacing new-line-spacing)) + (when mono-face + (let ((default-font (font-spec :family mono-face :size mono-font-size))) + (add-to-list 'default-frame-alist `(font . ,(format "%s %s" mono-face mono-font-size))) + (set-face-font 'fixed-pitch default-font) + (set-frame-font default-font t t))) + (when variable-face + (set-face-font 'variable-pitch (font-spec :name variable-face :size variable-font-size)))) + + (defun ap/set-fonts-according-to-system () + (interactive) + (cond + ((eq window-system 'w32) + (ap/set-fonts "Liberation Mono" 11 "Segoe UI" 11 t)) + ((or (eq window-system 'mac) + (eq window-system 'ns)) + (let ((displays (string-to-number (shell-command-to-string "system_profiler SPDisplaysDataType | grep \"Online: Yes\" | wc -l")))) + (if (eq displays 1) + (ap/set-fonts "Fira Code" 14 "Lucida Grande" 14 t nil) + (ap/set-fonts "Monoid" 12 "Helvetica Neue" 12 t 0.1)))) + ((and (eq window-system 'x) + (not (eq system-type 'gnu/linux/windows))) + (set-fontset-font "fontset-default" 'unicode (font-spec :name "PT Mono" :size 14)) + (ap/set-fonts "PT Mono" 14 "Noto Sans" 14 nil)) + ((and (eq window-system 'x) + (eq system-type 'gnu/linux/windows)) + (ap/set-fonts "Noto Mono" 12 "Sans" 12 nil)))) + + (ap/set-fonts-according-to-system)) +;; #+END_SRC + +;; Reduce font decoration. I’m trying to see whether this helps me focus +;; on the right things. +;; #+BEGIN_SRC emacs-lisp +(setq font-lock-maximum-decoration '((dired-mode . 1) + (t . 1))) +;; #+END_SRC + +;; Make symbols prettier. Turns out, in many cases, this is already +;; configured, just not enabled. If using the mac-port version of Emacs, +;; it has it's own, more extensive version. + +;; #+BEGIN_SRC emacs-lisp +(if (eq window-system 'mac) + (mac-auto-operator-composition-mode +1) + (global-prettify-symbols-mode +1)) +;; #+END_SRC + +;; *** Page Breaks + +;; By default, Emacs displays page breaks as ^L. Lines look much nicer. +;; On Windows, Emacs incorrectly detects that U+2500 (Box Drawings Light +;; Horizontal) can only be displayed with a different font, which is not +;; correct, at least for Liberation Mono. + +;; #+BEGIN_SRC emacs-lisp +(use-package page-break-lines + :defer 5 + :diminish page-break-lines-mode + :config (progn + (global-page-break-lines-mode) + (unless (eq (char-displayable-p ?─) (char-displayable-p ?a)) + (set-fontset-font "fontset-default" + (cons page-break-lines-char page-break-lines-char) + (face-attribute 'default :family))))) +;; #+END_SRC +;; *** Modeline + +;; #+BEGIN_SRC emacs-lisp +(column-number-mode -1) +(line-number-mode -1) +(size-indication-mode t) + + +(require 'f) +(setq frame-title-format (list "Emacs" + (if (and nix-emacs invocation-directory) + (list " (Nix Generation " + (cadr + (split-string (f-base + (car + (last (seq-take-while + (lambda (s) (s-contains? "profile" s)) + (split-string + (s-chomp (shell-command-to-string (concat "nix-store -q --roots " invocation-directory))) + "\n"))))) + "-")) + " " + (s-left 6 (nth 3 (f-split invocation-directory))) + "..." + (s-right 6 (car (split-string (nth 3 (f-split invocation-directory)) "-"))) + ")")) + '(buffer-file-name " — %f") + '(dired-directory (" — " dired-directory)))) +;; #+END_SRC + +;; *** Chrome + +;; Sometimes I like to hide clutter. Other times, it's useful. + +;; #+BEGIN_SRC emacs-lisp +(defvar mode-line-default-format mode-line-format) +(defvar mode-line-default-hidden nil + "Whether to hide the mode line by default") + +(defun show-mode-line () + (interactive) + (setq mode-line-format mode-line-default-format) + (when (called-interactively-p 'interactive) + (setq-default mode-line-format mode-line-default-format) + (setq mode-line-default-hidden nil))) +(defun hide-mode-line () + (interactive) + (setq mode-line-format nil) + (when (called-interactively-p 'interactive) + (setq-default mode-line-format nil) + (setq mode-line-default-hidden t))) + +(setq-default cursor-in-non-selected-windows nil) + +(defun hide-clutter () + (interactive) + (hide-mode-line)) + +(defun show-clutter () + (interactive) + (show-mode-line)) + +(when mode-line-default-hidden + (call-interactively #'hide-mode-line)) + +(setq-default indicate-buffer-boundaries nil) +(fringe-mode '(4 . 4)) + +(defun hide-mode-line-if-default-hidden () + (if mode-line-default-hidden + (hide-mode-line) + (show-mode-line))) + +(add-to-list 'default-frame-alist '(border-width . 0)) +(add-to-list 'default-frame-alist '(internal-border-width . 0)) +(when (or (eq window-system 'x) + (eq window-system 'mac)) + (setq window-divider-default-bottom-width 1 + window-divider-default-right-width 1 + window-divider-default-places t) + (window-divider-mode +1)) + +(add-hook 'after-change-major-mode-hook #'hide-mode-line-if-default-hidden) + +(add-hook 'minibuffer-setup-hook #'show-mode-line) +(add-hook 'minibuffer-exit-hook #'hide-mode-line) +;; #+END_SRC + +;; *** Highlight Changes + +;; Highlight what just changed when I undo, yank, and so on. + +;; #+BEGIN_SRC emacs-lisp +(use-package volatile-highlights + :diminish volatile-highlights-mode + :config (progn + (volatile-highlights-mode t))) +;; #+END_SRC + +;; *** Beacon + +;; I was against the idea of having flashy animations inside Emacs, but +;; this one is useful. It highlights the cursor when scrolling or +;; switching windows. + +;; #+BEGIN_SRC emacs-lisp +(use-package beacon + :diminish beacon-mode + :config (progn + (beacon-mode +1) + (setq beacon-blink-delay 0.25 + beacon-blink-duration 0.25 + beacon-size 20 + beacon-color "#a1b56c"))) +;; #+END_SRC + +;; *** Renaming major modes + +;; Diminishing major modes does not happen in the same manner as minor +;; modes. + +;; #+BEGIN_SRC emacs-lisp +(unless (version<= emacs-version "24.4") + (use-package cyphejor + :defer 2 + :config (progn + (setq cyphejor-rules `(("emacs" "ε") + ("diff" "Δ") + ("js2" "js") + ("magit-status" ,(char-to-string (seq-find #'char-displayable-p '(11942 5848 177)))) + ("inferior" "i" :prefix) + ("interaction" "i" :prefix) + ("interactive" "i" :prefix) + ("menu" "▤" :postfix) + ("ledger" "Ledger") + ("mode" "") + ("shell" "sh" :postfix))) + (cyphejor-mode 1)))) +;; #+END_SRC + + +;; ** Environment Variables + +;; MacOS doesn’t have a reasonable way to set environment variables and +;; read them automatically any more. So, let’s use the +;; [[https://github.com/purcell/exec-path-from-shell][exec-path-from-shell]] package to set up ~exec-path~ and similar +;; variables from whatever my shell configuration is. + +;; On Windows, I like to run Emacs from the system tray menu of VcXsrv. +;; It starts up without an environment in this case as well. + +;; #+BEGIN_SRC emacs-lisp +(use-package exec-path-from-shell + :if (or (eq system-type 'darwin) + (eq system-type 'gnu/linux/windows) + (and (eq system-type 'gnu/linux) + (daemonp))) + :config (progn + (setq exec-path-from-shell-arguments '("-l")) + (exec-path-from-shell-initialize))) +;; #+END_SRC + +;; *** NixOS sandboxes + +;; I'm currently exploring using nix to create sandboxes for +;; development. This package allows using tools from inside sandboxes, +;; and some convenience commands for building packages and launching shells. + +;; #+BEGIN_SRC emacs-lisp +(use-package nix-sandbox + :config (progn + (with-eval-after-load 'flycheck + (setq flycheck-command-wrapper-function + (lambda (command) + (if (nix-current-sandbox) + (apply 'nix-shell-command (nix-current-sandbox) command) + command)) + flycheck-executable-find + (lambda (cmd) + (if (nix-current-sandbox) + (nix-executable-find (nix-current-sandbox) cmd) + (executable-find cmd))))))) +;; #+END_SRC + +;; ** Keybindings + +;; I think =set-keyboard-coding-system= stops OS X from doing something +;; annoying to add accents. The modifier setup is to match my +;; re-arrangement of modifiers on OSX: Cmd on the outside, then +;; Option/alt, then Control. + +;; #+BEGIN_SRC emacs-lisp +(when (eq system-type 'darwin) + (set-keyboard-coding-system nil) + (custom-set-variables + '(mac-option-modifier 'meta) + '(mac-right-option-modifier 'none) + '(mac-control-modifier 'control) + '(mac-right-control-modifier 'left) + '(mac-command-modifier 'super) + '(mac-right-command-modifier 'left) + '(mac-function-modifier 'hyper)) + (unbind-key "s-x")) +;; #+END_SRC + +;; #+BEGIN_SRC emacs-lisp +(unbind-key "<f4>") +(bind-key* "<f5>" #'compile) +(bind-key* "<f6>" #'kmacro-start-macro-or-insert-counter) +(bind-key* "<f7>" #'kmacro-end-or-call-macro) + +(bind-key* "<apps>" #'execute-extended-command) + +(unbind-key "C-z") +(bind-key* "C-<tab>" #'other-window) + +(bind-key* "C-x C-r" #'revert-buffer) +(bind-key* "C-x C-j" #'delete-indentation) +(unbind-key "C-x C-c") + +(bind-key* "C-c i" #'insert-char) +(bind-key* "M-/" #'hippie-expand) + +(unbind-key "s-h") +(unbind-key "s-n") +(unbind-key "s-p") +(unbind-key "s-w") +(bind-key* "s-k" #'kill-or-delete-this-buffer-dwim) + +(bind-key "C-M-a" #'backward-paragraph text-mode-map) +(bind-key "C-M-e" #'forward-paragraph text-mode-map) + +(bind-key* "s-x" (define-prefix-command 'super-x-map)) +(bind-key* "s-," #'switch-to-dotfiles) +(bind-key* "C-x M-x" #'execute-extended-command) +(set-register ?z `(file . ,(expand-file-name ".config/zsh/zshrc" "~"))) +;; #+END_SRC + +;; *** Crux + +;; I can replace most of the simple helper/wrapper functions in my +;; configuration with crux.el + +;; #+BEGIN_SRC emacs-lisp +(use-package crux + :bind (("M-o" . crux-smart-open-line-above) + ("C-o" . crux-smart-open-line) + + ("C-x 4 t" . crux-transpose-windows) + ("C-c e" . crux-eval-and-replace) + ("C-c D" . crux-delete-file-and-buffer) + ("C-c R" . crux-rename-file-and-buffer)) + :config (progn + (crux-reopen-as-root-mode +1)) + :init (progn + (defalias 'delete-current-buffer-file #'crux-delete-file-and-buffer) + (defalias 'rename-current-buffer-file #'crux-rename-file-and-buffer))) +;; #+END_SRC + +;; ** Projects + +;; #+BEGIN_SRC emacs-lisp +(defun switch-to-dotfiles () + (interactive) + (projectile-switch-project-by-name (car (split-string (shell-command-to-string "ghq list --full-path dotfiles"))))) +;; #+END_SRC + +;; *** The Silver Searcher + +;; #+BEGIN_SRC emacs-lisp +(use-package ag + :defer 30 + :config (setq ag-project-root-function #'projectile-project-root)) + +(use-package wgrep-ag + :after ag) +;; #+END_SRC + +;; *** Ripgrep + +;; Step over Silver Search, here comes a new challenger. + +;; #+BEGIN_SRC emacs-lisp +(use-package ripgrep + :if (executable-find "rg")) + +(use-package projectile-ripgrep + :after (ripgrep projectile) + :if (executable-find "rg") + :bind (("C-c p s r" . projectile-ripgrep))) +;; #+END_SRC + +;; *** Projectile + +;; Projectile is awesome for working in projects, especially VCS-backed +;; ones. + +;; #+BEGIN_SRC emacs-lisp +(use-package projectile + :bind (("s-p" . projectile-switch-project) + ("C-c C-f" . projectile-find-file) + ("s-x s-f" . projectile-find-file) + ("C-x g" . projectile-vc) + ("s-G" . projectile-vc)) + :demand t + :diminish projectile-mode + :config (progn + (projectile-mode +1) + (add-to-list 'projectile-globally-ignored-directories ".stversions") + + (defun yarn-install (&optional arg) + (interactive "P") + (projectile-with-default-dir (projectile-project-root) + (cmd-to-echo "yarn" "install"))) + + (defun yarn-add-dev (package) + (interactive "spackage: ") + (projectile-with-default-dir (projectile-project-root) + (cmd-to-echo "yarn" (concat "add --dev " package)))) + + (defun yarn-add (package) + (interactive "spackage: ") + (projectile-with-default-dir (projectile-project-root) + (cmd-to-echo "yarn" (concat "add " package)))) + + (defun yarn-run (cmd) + (interactive (list + (projectile-completing-read "command: " (alist-get 'scripts (json-read-file (expand-file-name "package.json" (projectile-project-root))))))) + (projectile-with-default-dir (projectile-project-root) + (cmd-to-echo "yarn" (concat "run " cmd)))) + + (defun ap/open-project (&optional arg) + (interactive "P") + (let ((project-dir (projectile-completing-read + "Open project: " + (ghq--find-projects)))) + (projectile-switch-project-by-name + (expand-file-name project-dir (ghq--find-root)) arg))) + + (setq projectile-switch-project-action #'projectile-commander + projectile-completion-system 'ivy + projectile-create-missing-test-files t) + + (defun ap/projectile-test-suffix (project-type) + (cond + ((member project-type '(node-yarn node-npm)) ".test") + (t (projectile-test-suffix project-type)))) + (setq projectile-test-suffix-function #'ap/projectile-test-suffix) + + (projectile-register-project-type 'node-yarn '("yarn.lock") "yarn start" "yarn test") + (projectile-register-project-type 'node '("package.json") "npm start" "npm test"))) + +(use-package counsel-projectile + :after (counsel projectile) + :config (progn + (counsel-projectile-on) + (def-projectile-commander-method ?A + "Find rg on project." + (call-interactively #'counsel-projectile-rg)) + (define-key projectile-mode-map [remap counsel-projectile-ag] #'counsel-projectile-rg))) +;; #+END_SRC + +;; *** vc + +;; This is nice for some things that magit doesn’t do, and for those rare +;; occasions that I’m working with something other than git. + +;; #+BEGIN_SRC emacs-lisp +(use-package vc + :defer t + :bind (("C-x v C" . vc-resolve-conflicts)) + :config (progn + (setq vc-follow-symlinks t) + (setq vc-ignore-dir-regexp (format "\\(%s\\)\\|\\(%s\\)" + vc-ignore-dir-regexp + tramp-file-name-regexp)))) +;; #+END_SRC + +;; *** git-gutter-fringe + +;; It’s nice to be able to see at a glance which lines of a file have +;; changed. This package colours the fringe. I have it set to the right +;; fringe so it doesn’t interfere with flycheck. + +;; #+BEGIN_SRC emacs-lisp +(eval-when-compile (require 'fringe-helper)) +(use-package git-gutter-fringe + :defer 2 + :diminish git-gutter-mode + :config (progn + (global-git-gutter-mode 1) + ;; places the git gutter outside the margins. + (setq-default fringes-outside-margins t) + ;; thin fringe bitmaps + (fringe-helper-define 'git-gutter-fr:added '(center repeated) + ".XXX....") + (fringe-helper-define 'git-gutter-fr:modified '(center repeated) + ".XXX....") + (fringe-helper-define 'git-gutter-fr:deleted 'bottom + ".......X" + "......XX" + ".....XXX" + "....XXXX") + (setq git-gutter-fr:side 'right-fringe))) +;; #+END_SRC + +;; *** magit + +;; Magit is my favourite way to use git. I use selective staging all the +;; time. Make sure to set it up with a nice =completing-read-function= + +;; #+BEGIN_SRC emacs-lisp +(use-package magit + :defer 5 + :commands (magit-status) + :config (progn (setq magit-completing-read-function #'ivy-completing-read + magit-popup-use-prefix-argument 'default + magit-display-buffer-function #'magit-display-buffer-fullcolumn-most-v1 + global-magit-file-mode nil) + (add-to-list 'magit-no-confirm 'safe-with-wip)) + :init (add-hook 'magit-mode-hook #'magit-load-config-extensions)) +;; #+END_SRC + +;; *** git-messenger + +;; Popup the last commit that changed the line at point. + +;; #+BEGIN_SRC emacs-lisp +(use-package git-messenger + :bind* (("C-x v p" . git-messenger:popup-message)) + :config (progn + (setq git-messenger:use-magit-popup t))) +;; #+END_SRC + +;; *** git-timemachine + +;; This package allow me to go through a file’s history with just a few +;; keys. It makes it very easy to figure what what exactly was in a file +;; in the past. I often find it useful when I remember writing something +;; a particular way, but it changed later. + +;; #+BEGIN_SRC emacs-lisp +(use-package git-timemachine + :commands git-timemachine) +;; #+END_SRC + +;; *** ghq + +;; [[https://github.com/motemen/ghq][=ghq=]] clones VCS-backed projects to a common directory. It should +;; seem familiar to anyone who's used =go get= before. [[https://github.com/rcoedo/emacs-ghq][=emacs-ghq=]] is a +;; simple wrapper for it. + +;; #+BEGIN_SRC emacs-lisp +(use-package ghq + :if (executable-find "ghq")) +;; #+END_SRC + +;; ** Files + +;; *** Auto-saving + +;; Auto-save everything to a temporary directory, instead of cluttering +;; the filesystem. I don’t want emacs-specific lockfiles, either. + +;; #+BEGIN_SRC emacs-lisp +(setq auto-save-file-name-transforms `((".*" ,temporary-file-directory t)) + create-lockfiles nil) +;; #+END_SRC +;; *** Backups + +;; I like to keep my backups out of regular folders. I tell emacs to use +;; a subfolder of its configuration directory for that. Also, use the +;; trash for deleting on OS X. +;; #+BEGIN_SRC emacs-lisp +(let ((backup-dir (expand-file-name "~/.emacs.d/backups/"))) + (unless (file-directory-p backup-dir) + (make-directory backup-dir)) + (setq backup-directory-alist `((".*" . ,backup-dir)) + backup-by-copying-when-linked t + backup-by-copying-when-mismatch t)) +(if (eq system-type 'darwin) + (setq delete-by-moving-to-trash t) + (if (and (executable-find "trash") (not (fboundp #'system-move-file-to-trash))) + (defun system-move-file-to-trash (file) + (call-process (executable-find "trash") + nil 0 nil + file)))) +;; #+END_SRC + +;; *** autorevert + +;; #+BEGIN_SRC emacs-lisp +(use-package autorevert + :diminish auto-revert-mode + :init (progn + (global-auto-revert-mode 1) + (setq auto-revert-verbose nil + auto-revert-use-notify (not (eq system-type 'darwin))))) +;; #+END_SRC + +;; *** Encoding + +;; UTF-8 is usually appropriate. Note that =prefer-coding-system= expects +;; only a coding system, not a coding system and line ending combination. + +;; #+BEGIN_SRC emacs-lisp +(prefer-coding-system 'utf-8) +(setq-default buffer-file-coding-system 'utf-8-auto-unix) +;; #+END_SRC + +;; *** Buffer-file management + +;; Ask if I want to create a directory when it doesn’t exist. This is +;; especially nice when starting new projects. + +;; #+BEGIN_SRC emacs-lisp +(defun my-create-non-existent-directory () + (let ((parent-directory (file-name-directory buffer-file-name))) + (when (and (not (file-exists-p parent-directory)) + (y-or-n-p (format "Directory `%s' does not exist! Create it?" parent-directory))) + (make-directory parent-directory t)))) +(add-to-list 'find-file-not-found-functions #'my-create-non-existent-directory) +;; #+END_SRC + +;; I often want to rename or delete the file that I’m currently visiting +;; with a buffer. + +;; #+BEGIN_SRC emacs-lisp +(defun kill-or-delete-this-buffer-dwim (&optional arg) + "Kills current buffer. With prefix arg, delete it." + (interactive "P") + (if (equal arg '(4)) + (delete-current-buffer-file) + (if server-buffer-clients + (server-edit) + (let ((buf (buffer-name))) + (when (equal buf "*HTTP Response*") + (other-window 1)) + (kill-buffer buf))))) +;; #+END_SRC + +;; *** Whitespace + +;; Show bad whitespace, so that I can fix it. + +;; #+BEGIN_SRC emacs-lisp +(defun show-trailing-whitespace-on () + (interactive) + (setq-local show-trailing-whitespace t)) +(defun show-trailing-whitespace-off () + (interactive) + (setq-local show-trailing-whitespace nil)) +(add-hook 'prog-mode-hook #'show-trailing-whitespace-on) +(add-hook 'text-mode-hook #'show-trailing-whitespace-on) +;; #+END_SRC + +;; *** shrink-whitespace + +;; DWIM whitespace removal. So I don’t need =M-SPC=, =M-\= and =C-x o= +;; for similar things any more. + +;; #+BEGIN_SRC emacs-lisp +(use-package shrink-whitespace + :bind ("M-SPC" . shrink-whitespace)) +;; #+END_SRC + +;; *** Tramp + +;; Tramp is awesome. It makes SSH feel Unix-y. The proxy setup is so +;; that I can sudo on remote machines + +;; #+BEGIN_SRC emacs-lisp +(use-package tramp + :defer 7 + :config (progn + (unless (getenv "SSH_AUTH_SOCK") + (setenv "SSH_AUTH_SOCK" (format "/run/user/%s/ssh-agent" (user-uid)))) + (setq tramp-default-method "ssh" + tramp-default-user-alist '(("\\`su\\(do\\)?\\'" nil "root")) + tramp-backup-directory-alist backup-directory-alist + tramp-completion-reread-directory-timeout 60 + tramp-ssh-controlmaster-options nil + backup-enable-predicate (lambda (name) + (and (normal-backup-enable-predicate name) + (not (let ((method (file-remote-p name 'method))) + (when (stringp method) + (member method '("su" "sudo"))))))) + tramp-shell-prompt-pattern "\\(?:^\\| \\)[^]#$%>\n]*#?[]#$%>❯›] *\\(\\[\\??[0-9;]*[a-zA-Z] *\\)*") + (add-to-list 'tramp-default-proxies-alist '(nil "\\`root\\'" (concat "/" tramp-default-method ":%h:"))) + (add-to-list 'tramp-default-proxies-alist `(,(regexp-quote (system-name)) nil nil)) + (add-to-list 'tramp-default-proxies-alist '("localhost" nil nil)))) +;; #+END_SRC + +;; *** ediff + +;; I like a horizonal diff setup, with everything in one frame. + +;; #+BEGIN_SRC emacs-lisp +(use-package ediff + :defer t + :config (progn + (setq ediff-split-window-function 'split-window-horizontally + ediff-window-setup-function 'ediff-setup-windows-plain))) +;; #+END_SRC + +;; ** Indentation + +;; Ah, a complicated topic. One day we’ll all be using elastic +;; tabstops. I’ve recently switched to using two spaces, since elastic +;; tabstops is probably never going to happen. + +;; #+BEGIN_SRC emacs-lisp +(setq-default tab-width 2 + indent-tabs-mode nil) +(electric-indent-mode +1) +;; #+END_SRC + + +;; *** smart-tabs-mode + +;; Not related to [[smart-tab][=smart-tab=]], this mode indents with tabs and aligns +;; with spaces. Perfect! + +;; #+BEGIN_SRC emacs-lisp +(use-package smart-tabs-mode + :defer 1 + :config (progn + (smart-tabs-insinuate 'c 'cperl 'python) + (define-hook-helper php-mode () + (smart-tabs-mode indent-tabs-mode)))) +;; #+END_SRC + +;; *** editorconfig + +;; #+BEGIN_SRC emacs-lisp +(use-package editorconfig + :diminish "EC" + :config (editorconfig-mode 1)) +;; #+END_SRC + +;; *** dtrt-indent-mode + +;; Sometimes people use different indentation settings. [[https://github.com/jscheid/dtrt-indent][dtrt-indent]] +;; guesses the correct settings for me. + +;; #+BEGIN_SRC emacs-lisp +(use-package dtrt-indent + :config (progn + (define-hook-helper after-change-major-mode () + (unless (and (boundp editorconfig-mode) + editorconfig-mode) + (dtrt-indent-adapt))) + (defadvice dtrt-indent-try-set-offset (after toggle-smart-tabs activate) + (smart-tabs-mode (or indent-tabs-mode -1))))) +;; #+END_SRC + +;; ** Security + +;; *** password-store + +;; This is a frontend to the GPG-powered =pass= program. +;; #+BEGIN_SRC emacs-lisp +(use-package password-store + :defer 15 + :config (progn + (setq password-store-password-length 16))) +;; #+END_SRC +;; ** Buffers + +;; *** Ibuffer +;; Ibuffer is quite nice for listing all buffers. + +;; #+BEGIN_SRC emacs-lisp +(use-package ibuffer + :bind (("C-x C-b" . ibuffer)) + :config (progn + (setq ibuffer-saved-filter-groups + (quote (("default" + ("org" (mode . org-mode)) + ("emacs" (mode . emacs-lisp-mode)) + ("zsh" (filename . "/zsh")) + ("server" (filename . "/su:root@server")))))) + + ;; Human-readable base-2 size column + (define-ibuffer-column size-h + (:name "Size" :inline t) + (cond + ((> (buffer-size) 1024) + (format "%7.2fK" (/ (buffer-size) 1024.0))) + ((> (buffer-size) 1048576) + (format "%7.2fM" (/ (buffer-size) 1048576.0))) + (t + (format "%8d" (buffer-size))))) + + (setq ibuffer-formats + '((mark modified read-only " " + (name 18 18 :left :elide) + " " + (size-h 9 -1 :right) + " " + (mode 16 16 :left :elide) + " " + filename-and-process))))) +;; #+END_SRC + +;; *** Relative Buffer names + +;; #+BEGIN_SRC emacs-lisp +(use-package relative-buffers + :defer 15 + :config (progn + (global-relative-buffers-mode))) +;; #+END_SRC +;; *** Narrowing + +;; Enable it without prompting + +;; #+BEGIN_SRC emacs-lisp +(put 'narrow-to-defun 'disabled nil) +(put 'narrow-to-page 'disabled nil) +(put 'narrow-to-region 'disabled nil) +;; #+END_SRC + +;; *** ace-window + +;; I don’t often have many windows open at once, but when I do, +;; =ace-window= is really nice to jump around them in the same way that +;; =ace-jump= or =avy= work. +;; #+BEGIN_SRC emacs-lisp +(use-package ace-window + :bind (("s-s" . ace-window)) + :config (progn + (setq aw-dispatch-always t + aw-dispatch-alist '((?k aw-delete-window " Ace - Delete Window") + (?K aw-delete-window) + (?m aw-swap-window " Ace - Swap Window") + (?f aw-flip-window) + (?v aw-split-window-vert " Ace - Split Vert Window") + (?b aw-split-window-horz " Ace - Split Horz Window") + (?m delete-other-windows " Ace - Maximize Window") + (?l delete-other-windows) + (?, winner-undo) + (?. winner-redo)) + aw-keys '(?a ?r ?s ?t ?n ?e ?i ?o)))) +;; #+END_SRC + +;; ** Windows + +;; Scrolling is tricky. I use this setup to help me keep track of the +;; point whilst I’m moving about. + +;; #+BEGIN_SRC emacs-lisp +(setq scroll-conservatively 100 + scroll-margin 1 + scroll-preserve-screen-position t + mouse-wheel-scroll-amount '(1 ((shift) . 1) ((control))) + split-height-threshold 80 + split-width-threshold 160 + frame-resize-pixelwise nil) +(if (boundp 'ns-pop-up-frames) + (setq ns-pop-up-frames nil)) +;; #+END_SRC + +;; *** eyebrowse + +;; Workspaces, a bit like dwm. On Windows and Linux (at least the WMs +;; I'm likely to use), super+{0-9} are taken from the OS, so use meta +;; instead. On macOS, super makes a lot of sense, as it's used by most +;; programs to switch between program windows or views. + +;; #+BEGIN_SRC emacs-lisp +(use-package eyebrowse + :config (progn + (setq eyebrowse-new-workspace t) + (when (eq system-type 'darwin) + (bind-keys + ("s-0" . eyebrowse-switch-to-window-config-0) + ("s-1" . eyebrowse-switch-to-window-config-1) + ("s-2" . eyebrowse-switch-to-window-config-2) + ("s-3" . eyebrowse-switch-to-window-config-3) + ("s-4" . eyebrowse-switch-to-window-config-4) + ("s-5" . eyebrowse-switch-to-window-config-5) + ("s-6" . eyebrowse-switch-to-window-config-6) + ("s-7" . eyebrowse-switch-to-window-config-7) + ("s-8" . eyebrowse-switch-to-window-config-8) + ("s-9" . eyebrowse-switch-to-window-config-9))) + (bind-keys* + ("M-0" . eyebrowse-switch-to-window-config-0) + ("M-1" . eyebrowse-switch-to-window-config-1) + ("M-2" . eyebrowse-switch-to-window-config-2) + ("M-3" . eyebrowse-switch-to-window-config-3) + ("M-4" . eyebrowse-switch-to-window-config-4) + ("M-5" . eyebrowse-switch-to-window-config-5) + ("M-6" . eyebrowse-switch-to-window-config-6) + ("M-7" . eyebrowse-switch-to-window-config-7) + ("M-8" . eyebrowse-switch-to-window-config-8) + ("M-9" . eyebrowse-switch-to-window-config-9)) + (eyebrowse-mode +1))) +;; #+END_SRC + +;; ** Sessions + +;; *** Desktop +;; Save my Emacs session and restore it on startup. + +;; #+BEGIN_SRC emacs-lisp +(use-package desktop + :ensure nil + :config (progn + (setq desktop-dirname (expand-file-name "desktop/" user-emacs-directory) + desktop-base-file-name "emacs.desktop" + desktop-base-lock-name "lock" + desktop-path (list desktop-dirname) + desktop-save 'if-exists + desktop-files-not-to-save "^$" + desktop-load-locked-desktop nil) + (unless (file-directory-p desktop-dirname) + (make-directory desktop-dirname)) + (desktop-save-mode 1))) +;; #+END_SRC + +;; *** winner + +;; Undo, for window-based commands. + +;; #+BEGIN_SRC emacs-lisp +(use-package winner + :config (setq winner-boring-buffers '("*Completions*" "*Help*" "*Apropos*" "*Buffer List*" "*info*" "*Compile-Log*")) + :init (progn + (winner-mode 1))) +;; #+END_SRC + +;; *** windmove + +;; Directional window movement + +;; #+BEGIN_SRC emacs-lisp +(use-package windmove + :bind (("S-<left>" . windmove-left) + ("S-<right>" . windmove-right) + ("S-<up>" . windmove-up) + ("S-<down>" . windmove-down))) +;; #+END_SRC +;; ** Blogging + +;; I have a [[https://alanpearce.uk][blog]] that I publish with hugo. + +;; #+BEGIN_SRC emacs-lisp +(use-package easy-hugo + :config (setq easy-hugo-basedir (car (split-string (shell-command-to-string "ghq list --full-path alanpearce.uk"))) + easy-hugo-url "https://alanpearce.uk" + easy-hugo-default-ext ".md")) +;; #+END_SRC + +;; ** Completion + +;; Make built-in completion a bit more intelligent, by adding substring +;; and initial-based completion and ignoring case. + +;; #+BEGIN_SRC emacs-lisp +(setq completion-styles '(basic initials partial-completion substring) + completion-ignore-case t + tab-always-indent 'complete) +;; #+END_SRC + +;; *** Company + +;; The main choices for automatic completion in Emacs are company and +;; auto-complete-mode. I’ve not tried auto-complete-mode as company +;; seems to work perfectly well for me. + +;; #+BEGIN_SRC emacs-lisp +(use-package company + :commands (company-mode) + :diminish "Cmpl" + :bind (("C-<tab>" . company-complete) + ("TAB" . company-indent-or-complete-common)) + :init (progn + (add-hook 'prog-mode-hook #'company-mode-on) + (setq company-backends '(company-bbdb company-web-html company-tern company-nxml company-css company-eclim company-semantic company-elisp + company-clang company-xcode company-cmake company-capf + company-files (company-gtags + company-etags company-keywords) company-oddmuse) + company-frontends '(company-pseudo-tooltip-unless-just-one-frontend + company-preview-frontend + company-echo-metadata-frontend) + company-idle-delay .3 + company-begin-commands '(self-insert-command) + company-auto-complete #'company-explicit-action-p + company-auto-complete-chars '(?\ ?\( ?\) ?.) + company-tooltip-align-annotations t + company-selection-wrap-around t))) +;; #+END_SRC + +;; #+BEGIN_SRC emacs-lisp +(use-package company-web + :after company) +;; #+END_SRC + +;;; ** Dates & Times + +;; *** Calendar + +;; Weeks start on Monday for me and I prefer ISO-style dates. +;; #+BEGIN_SRC emacs-lisp +(use-package calendar + :defer 1 + :config (progn + (setq calendar-week-start-day 1) + (calendar-set-date-style 'iso))) +;; #+END_SRC + +;; Sometimes I want to insert a date or time into a buffer. +;; #+BEGIN_SRC emacs-lisp +(defun insert-date (prefix) + "Insert the current date. With prefix-argument, use British format. With + two prefix arguments, write out the day and month name." + (interactive "P") + (let ((format (cond + ((not prefix) "%Y-%m-%d") + ((equal prefix '(4)) "%d/%m/%Y") + ((equal prefix '(16)) "%A, %d %B %Y")))) + (insert (format-time-string format)))) + +(defun insert-datetime (prefix) + "Insert the current date and time." + (interactive "P") + (let ((format (cond + ((not prefix) "%Y-%m-%d %H:%M:%S") + ((equal prefix '(4)) "%Y-%m-%dT%H:%M:%SZ")))) + (insert (format-time-string format)))) +;; #+END_SRC + +;; #+BEGIN_SRC emacs-lisp +(defun yesterday-time () + "Provide the date/time 24 hours before the time now in the format of current-time." + (timer-relative-time (current-time) -86400)) +;; #+END_SRC + +;; ** Directories + +;; Dired works quite nicely, but not always in the way I want. I don’t +;; like having so many prompts for recursive operations. Also, when I +;; have two dired windows open, assume that I’m going to be +;; copying/moving files between them. + +;; #+BEGIN_SRC emacs-lisp +(use-package dired + :defer 3 + :ensure nil + :config (progn + (bind-key "<return>" #'dired-find-file dired-mode-map) + (bind-key "^" (lambda () (interactive) (find-alternate-file "..")) dired-mode-map) + (setq dired-dwim-target t + dired-recursive-copies 'top + dired-recursive-deletes (if delete-by-moving-to-trash + 'always + 'top) + dired-listing-switches "-alh") + (when (and (eq system-type 'darwin) (executable-find "gls")) + (setq insert-directory-program (executable-find "gls"))) + (put 'dired-find-alternate-file 'disabled nil))) +;; #+END_SRC + +;; Don’t show uninteresting files in dired listings. + +;; #+BEGIN_SRC emacs-lisp +(defun turn-on-dired-omit-mode () + (interactive) + (dired-omit-mode 1)) + +(use-package dired-x + :commands (dired-omit-mode + dired-expunge) + :ensure nil + :config (progn + (setq dired-omit-files "#\\|\\.$" + dired-omit-verbose nil + dired-find-subdir t + dired-bind-jump nil)) + :init (progn + (add-hook 'dired-mode-hook #'turn-on-dired-omit-mode))) +;; #+END_SRC + +;; Expand subfolders like a tree inside the parent + +;; #+BEGIN_SRC emacs-lisp +(with-eval-after-load 'dired + (use-package dired-subtree + :functions (dired-subtree--get-ov + dired-subtree-maybe-up) + :init (progn + (setq dired-subtree-use-backgrounds nil) + (defun dired-subtree-maybe-up () + "Jump up one subtree or directory" + (interactive) + (let ((ov (dired-subtree--get-ov))) + (if ov + (progn (goto-char (overlay-start ov)) + (dired-previous-line 1)) + (dired-up-directory)))) + (bind-key "^" #'dired-subtree-maybe-up dired-mode-map) + (bind-key "i" #'dired-subtree-toggle dired-mode-map)))) +;; #+END_SRC + +;; *** Disk usage + +;; Combine dired and du (disk usage). + +;; #+BEGIN_SRC emacs-lisp +(use-package dired-du + :after dired + :config (progn + (setq dired-du-size-format t))) +;; #+END_SRC + +;; *** Dired-narrow +;; One can already use dired with wildcards to browse a filtered +;; directory listing, but it opens a new buffer. Dired-narrow is a +;; slightly nicer interface: with a currently-open dired buffer, use =/= +;; to start filtering, =RET= to complete the filter and =g= to refresh +;; the buffer, removing the filter. + +;; #+BEGIN_SRC emacs-lisp +(with-eval-after-load 'dired + (use-package dired-narrow + :bind (:map dired-mode-map + ("/" . dired-narrow)))) +;; #+END_SRC + +;; ** Documentation + +;; *** ehelp + +;; ehelp is a less well-known package that’s part of Emacs and slightly +;; improves the normal help commands, mostly by making quitting them easier. + +;; #+BEGIN_SRC emacs-lisp +(use-package ehelp + :bind-keymap ("C-h" . ehelp-map)) +;; #+END_SRC + +;; *** discover-my-major + +;; A nicer way to browse keybindings for major modes. + +;; #+BEGIN_SRC emacs-lisp +(use-package discover-my-major + :bind ("<f1>" . discover-my-major)) +;; #+END_SRC + +;; *** which-key + +;; Popup keybindings following a prefix automatically. + +;; #+BEGIN_SRC emacs-lisp +(use-package which-key + :diminish which-key-mode + :config (progn + (which-key-mode 1) + (which-key-setup-side-window-right-bottom))) +;; #+END_SRC + +;; *** eldoc + +;; Documentation in the echo-area (where the minibuffer is displayed) is +;; rather useful. + +;; #+BEGIN_SRC emacs-lisp +(use-package eldoc + :commands (eldoc-mode) + :diminish eldoc-mode + :config (progn + (setq eldoc-idle-delay 0.1) + (eldoc-add-command 'paredit-backward-delete 'paredit-close-round))) +;; #+END_SRC +;; ** Mail + +;; *** Gnus + +;; At work, I use gnus for email. Some of the setup is specific to my +;; workplace, so I keep it in a host-specific, GPG-encrypted file. + +;; #+BEGIN_SRC emacs-lisp +(use-package gnus + :config (progn + (setq gnus-gcc-mark-as-read t + mml-secure-openpgp-encrypt-to-self t + send-mail-function #'smtpmail-send-it + message-send-mail-function #'smtpmail-send-it))) + +(with-eval-after-load "gnus-mime" + (define-key gnus-mime-button-map " " #'gnus-mime-view-part-externally)) + +(with-eval-after-load "mailcap" + (when (eq system-type 'darwin) + (mailcap-add-mailcap-entry "application" "pdf" '((viewer . "/usr/bin/qlmanage -p %s") (type . "application/pdf"))))) + +(with-eval-after-load "mm-decode" + (add-to-list 'mm-discouraged-alternatives "text/html") + (add-to-list 'mm-discouraged-alternatives "text/richtext")) +;; #+END_SRC + +;; *** BBDB + +;; As I'm using Emacs for email, it makes sense to have contact +;; information here as well. + +;; #+BEGIN_SRC emacs-lisp +(use-package bbdb + :config (progn + (bbdb-initialize 'gnus 'message 'pgp) + (bbdb-mua-auto-update-init 'gnus 'message) + (setq bbdb-send-mail-style 'gnus + bbdb-complete-mail-allow-cycling t + bbdb-mua-auto-update t + bbdb-mua-pop-up-window-size 3 + bbdb-mua-update-interactive-p '(query . create) + bbdb-message-all-addresses t + bbdb-offer-save t + bbdb-offer-to-create 1))) +;; #+END_SRC + +;; ** Misc + +;; #+BEGIN_SRC emacs-lisp +(defvar *init-file* + (file-truename user-init-file) + "Where the emacs init file really is, passing through symlinks.") +(set-register ?e `(file . ,*init-file*)) + +(defun ap/remove-extra-cr () + "Remove extraneous CR codes from a file" + (interactive) + (save-excursion + (goto-char (point-min)) + (while (search-forward " + " nil t) + (replace-match "")))) + +(use-package rect + :ensure nil + :init (defun copy-rectangle (start end) + "Copy the region-rectangle." + (interactive "r") + (setq killed-rectangle (extract-rectangle start end)))) + +(defun shell-execute (to-current-buffer) + (interactive "P") + (let ((file-buffer (if (buffer-file-name) + (file-name-nondirectory (buffer-file-name)) + "")) + (command (read-shell-command "Shell command: " nil nil nil))) + (shell-command (replace-regexp-in-string "%" file-buffer command) to-current-buffer))) + +(defun process-exit-code (program &rest args) + "Run PROGRAM with ARGS and return the exit code" + (apply 'call-process program nil nil nil args)) + +(defun narrow-to-region-indirect (start end) + "Restrict editing in this buffer to the current region, indirectly." + (interactive "r") + (deactivate-mark) + (let ((buf (clone-indirect-buffer nil nil))) + (with-current-buffer buf + (narrow-to-region start end)) + (switch-to-buffer buf))) + +(bind-key* "M-!" #'shell-execute) +(bind-key* "C-x r M-w" #'copy-rectangle) +;; #+END_SRC + +;; *** Auxillary Configuration + +;; #+BEGIN_SRC emacs-lisp +(require 'pinentry) + +(defvar have-private-key + (file-exists-p (expand-file-name "secring.gpg" "~/.gnupg/"))) + +(defvar gpg-agent-ssh-sock + (or (getenv "GPG_AGENT_INFO") + (concat "/run/user/" (number-to-string (user-uid)) "/gnupg/S.gpg-agent.ssh"))) + +(defun read-gpg-file (file) + (let ((file-to-decrypt (expand-file-name file user-emacs-directory)) + (ctx (epg-make-context epa-protocol))) + (if (file-exists-p file-to-decrypt) + (epg-decrypt-file ctx file-to-decrypt nil) + (message "Decrypting %s...failed" file-to-decrypt) + (error "File %s does not exist" file-to-decrypt)))) + +(defun load-gpg (file) + (if have-private-key + (load file) + (message "WARNING: Couldn't load %s (No gpg key found)" file))) + +; load this in a post-frame hook because gpg-agent asks for a password on first +; startup and caches it. Don't want emacs daemon to hang because of gpg-agent. +(defun load-private-data () + (interactive) + (if (not (file-exists-p (expand-file-name (concat (system-name) ".el.gpg") user-emacs-directory))) + (message "No encrypted configuration matches system name `%s'" (system-name)) + (if (not have-private-key) + (message "ERROR: Private GPG key not found") + (unless (or (getenv "GPG_AGENT_INFO") + (getenv "SSH_AUTH_SOCK")) + (start-process "gpg-agent" nil "gpg-agent" "--daemon") + (setenv "SSH_AUTH_SOCK" gpg-agent-ssh-sock)) + (setq password-cache-expiry nil) + (unless (file-exists-p (concat pinentry--socket-dir "pinentry")) + (pinentry-start) + (add-hook 'kill-emacs-hook 'pinentry-stop)) + (add-to-list 'load-suffixes ".el.gpg") + (load-gpg (expand-file-name (system-name) user-emacs-directory))))) + +(defun first-frame-hook (frame) + (remove-hook 'after-make-frame-functions #'first-frame-hook) + (run-at-time nil nil 'load-private-data)) + +(if (eq 1 (length (frame-list))) + (add-hook 'after-init-hook #'load-private-data) + (add-hook 'after-make-frame-functions #'first-frame-hook)) +;; #+END_SRC + +;; ** Minibuffer + +;; Sometimes I want to use the minibuffer, but I’m already inside it. +;; Fortunately, this is possible. Of course, I need to know how many +;; minibuffers there are on the stack. + +;; #+BEGIN_SRC emacs-lisp +(setq enable-recursive-minibuffers t) +(minibuffer-depth-indicate-mode t) +;; #+END_SRC + +;; This avoids some issue with the minibuffer and the point being behind +;; the prompt. I don’t remember what exactly. +;; #+BEGIN_SRC emacs-lisp +(setq minibuffer-prompt-properties '(read-only t point-entered minibuffer-avoid-prompt face minibuffer-prompt)) +;; #+END_SRC + +;; Occasionally, I exit emacs. I should probably reduce the frequency of this. +;; #+BEGIN_SRC emacs-lisp +(if (daemonp) + (defalias 'exit-emacs #'delete-frame) + (defalias 'exit-emacs #'save-buffers-kill-emacs)) +;; #+END_SRC + +;; *** swiper/ivy + +;; Ivy is the new kid on the completion block. It seems to be a strong +;; replacement for helm so far. + +;; #+BEGIN_SRC emacs-lisp +(use-package swiper + :bind (("C-s" . swiper) + ("C-r" . swiper) + ("C-=" . swiper)) + :diminish ivy-mode + :demand t + :config (progn + (ivy-mode 1) + (setq ivy-re-builders-alist '((t . ivy--regex-plus)) + ivy-extra-directories '("./")) + (ivy-set-actions 'ivy-switch-buffer '(("k" (lambda (x) + (kill-buffer x) + (ivy--reset-state ivy-last)) + "kill"))) + (add-to-list 'ivy-initial-inputs-alist '(counsel-M-x . "")))) +;; #+END_SRC + +;; *** counsel + +;; #+BEGIN_SRC emacs-lisp +(use-package counsel + :config (progn + (bind-key "M-x" #'counsel-M-x) + (bind-key "<apps>" #'counsel-M-x) + (bind-key "<menu>" #'counsel-M-x) + (bind-key "C-c M-x" #'execute-extended-command) + (bind-key "C-x C-f" #'counsel-find-file) + (bind-key "M-y" #'counsel-yank-pop) + (bind-key "C-x i" #'counsel-imenu) + (bind-key "M-y" #'ivy-next-line ivy-minibuffer-map) + (defadvice counsel-find-file (after find-file-sudo activate) + "Find file as root if necessary." + (when (and buffer-file-name + (not (file-writable-p buffer-file-name))) + (message "File not writable %s" buffer-file-name) + (find-alternate-file (concat "/sudo::" buffer-file-name)))) + (setq counsel-rg-base-command "rg -i --no-heading --line-number --hidden %s ."))) +;; #+END_SRC + + +;; *** smex + +;; Smex is my favourite way to use =M-x=. Counsel’s =counsel-M-x= +;; function uses it internally, so I’m keeping it around, even though I +;; don’t use it directly. + +;; #+BEGIN_SRC emacs-lisp +(use-package smex + :commands (smex + smex-update + smex-initialize) + :config (progn + (setq smex-key-advice-ignore-menu-bar t + smex-auto-update nil) + (defun smex-update-after-load (_unused) + (if (boundp 'smex-cache) + (smex-update))) + (add-hook 'after-load-functions 'smex-update-after-load)) + :init (progn + (setq smex-history-length 100 + smex-save-file (concat user-emacs-directory + "smex-items")))) +;; #+END_SRC + +;; *** cmd-to-echo + +;; I’ve been looking for some way to run programming projects (mostly +;; node.js) inside emacs. =cmd-to-echo= seems great for this, as new +;; output pops up in the echo area. + +;; #+BEGIN_SRC emacs-lisp +(use-package cmd-to-echo + :commands (cmd-to-echo) + :config (setq cmd-to-echo-add-output-to-process-buffers t)) +;; #+END_SRC +;; ** Modes + +;; Setup some modes for systemd files +;; #+BEGIN_SRC emacs-lisp +(add-to-list 'auto-mode-alist '("\\.service\\'" . conf-mode)) +(add-to-list 'auto-mode-alist '("\\.target\\'" . conf-mode)) +(add-to-list 'auto-mode-alist '("\\.socket\\'" . conf-mode)) +;; #+END_SRC + +;; =direnv=’s files are basically shell scripts, it’s a nice way to +;; set environment variables for projects. +;; #+BEGIN_SRC emacs-lisp +(add-to-list 'auto-mode-alist '("\\.envrc\\'" . sh-mode)) +;; #+END_SRC + +;; Some modes that I don’t really customise much, mostly for +;; configuration files. +;; #+BEGIN_SRC emacs-lisp +(use-package haskell-mode + :mode (("\\.hs\\'" . haskell-mode))) + +(use-package dockerfile-mode + :mode (("Dockerfile\\'" . dockerfile-mode))) + +(use-package nix-mode + :mode (("\\.nix\\'" . nix-mode))) + +(define-derived-mode xmonad-mode haskell-mode "XM") +(add-to-list 'auto-mode-alist '("xmobarrc\\'" . xmonad-mode)) +(add-to-list 'auto-mode-alist '("xmonad.hs\\'" . xmonad-mode)) + +(use-package nginx-mode + :defer t + :mode (("/nginx/servers/" . nginx-mode) + ("/nginx/.*\\.d/" . nginx-mode))) + +(use-package lua-mode + :defer t) + +(use-package ruby-mode + :mode (("\\.rb\\'" . ruby-mode) + ("\\.cap\\'" . ruby-mode))) + +(use-package go-mode + :mode (("\\.go\\'" . go-mode))) + +(use-package jinja2-mode + :mode (("\\.j2\\'" . jinja2-mode) + ("\\.jinja\\'" . jinja2-mode))) + +(use-package scss-mode + :defer t + :config (progn + (setq scss-compile-at-save nil))) + +(use-package toml-mode + :mode ("\\.toml\\'" . toml-mode)) + +(use-package yaml-mode + :mode (("/group_vars/.*" . yaml-mode) + ("/host_vars/.*" . yaml-mode))) + +(define-derived-mode ansible-mode yaml-mode "Ansible") +(add-to-list 'auto-mode-alist '("\\(?:ansible.+\\|roles/.+/\\(?:tasks\\|handlers\\)\\)/.+\\.yml\\'" . ansible-mode)) + +(define-derived-mode saltstack-mode yaml-mode "Salt") +(add-to-list 'auto-mode-alist '("\\.sls\\'" . saltstack-mode)) +;; #+END_SRC + +;; *** ledger + +;; I use [[http://ledger-cli.org/][=ledger=]] to manage my finances. It has an Emacs mode, which +;; works really nicely. + +;; #+BEGIN_SRC emacs-lisp +(use-package ledger-mode + :mode ("\\.ledger\\'" . ledger-mode) + :functions ledger-report + :init (progn + (defun open-budget () + (interactive) + (projectile-switch-project-by-name "~/Sync/Default") + (find-file (expand-file-name "ledger/my.ledger" (projectile-project-root))) + (ledger-report "Budget (Cumulative)" nil))) + :config (progn + (setq ledger-use-iso-dates t + ledger-post-use-completion-engine :ido + ledger-reconcile-default-commodity "€" + ledger-clear-whole-transactions t + ledger-narrow-on-reconcile t + ledger-reports `(("Monthly Expenses" "ledger -f %(ledger-file) reg -M \\^Flex --real -X EUR -l \"payee != 'Opening Balances'\"") + ("Average Monthly Expenses (Past 12 Months)" ,(concat "ledger -f %(ledger-file) -b " + (format-time-string "%Y-%m" (time-add (current-time) (days-to-time -365))) + " --monthly --average balance ^Flex")) + ("Expenses:This Month" "ledger -f %(ledger-file) bal \\^Flex -p \"this month\"") + ("On-budget Balances" "ledger -f %(ledger-file) bal --current -R :Budget: Assets:Receivable Liabilities:Personal") + ("All Account Balances" "ledger -f %(ledger-file) bal --current -R \\^Assets \\^Liabilities") + ("Budget Values (Current Month)" "ledger -f %(ledger-file) bal -p \"this month\" --limit \"payee=~/budget/\" \\^Funds") + ("Budget (Cumulative)" "ledger -f %(ledger-file) bal -E \\^Funds \\^Assets:Budget$") + ("Budget Allocation" "ledger -f %(ledger-file) bal -p \"this month\" --limit \"payee=~/budget/\" \\^Funds --format \"\\ + %-17((depth_spacer)+(partial_account))\\ + %10(percent(market(display_total), market(parent.total)))\\ + %16(market(display_total))\n%/\"") + ("bal" "ledger -f %(ledger-file) bal") + ("reg" "ledger -f %(ledger-file) reg") + ("equity" "ledger -f %(ledger-file) equity") + ("payee" "ledger -f %(ledger-file) reg @%(payee)") + ("account" "ledger -f %(ledger-file) reg %(account)"))))) +;; #+END_SRC + +;; *** Markdown + +;; #+BEGIN_SRC emacs-lisp +(use-package markdown-mode + :defer t + :config (progn + (add-hook 'markdown-mode-hook #'turn-on-auto-fill))) +;; #+END_SRC + +;; *** Lentic + +;; Multiple different views of the same file. Can be used for a kind of +;; inverse literate programming. + +;; #+BEGIN_SRC emacs-lisp +(use-package lentic + :config (global-lentic-mode)) +;; #+END_SRC + +;; *** Outshine + +;; Org-ified source code. I think this might work better than +;; lentic-mode, whilst also being more general. + +;; #+BEGIN_SRC emacs-lisp +(defvar outline-minor-mode-prefix "M-#") +(use-package outshine + :bind (:map outline-minor-mode-map + ("TAB" . outline-cycle) + ("<backtab>" . outshine-cycle-buffer)) + :config (progn + (add-hook 'outline-minor-mode-hook #'outshine-hook-function) + (add-hook 'emacs-lisp-mode-hook #'outline-minor-mode) + (add-hook 'ledger-mode-hook #'outline-minor-mode) + (add-hook 'sh-mode-hook #'outline-minor-mode))) +;; #+END_SRC + +;; *** Org + +;; Org is wünderbar. + +;; #+BEGIN_SRC emacs-lisp +(use-package org + :bind (("C-c C-a" . org-agenda-list) + ("C-c a" . org-agenda) + ("C-c l" . org-store-link)) + :defer 8 + :init (setq org-replace-disputed-keys t + org-ellipsis "…") + :config (progn + (setq org-directory "~/Sync/org" + org-agenda-files `(,(concat org-directory "/agenda")) + + org-default-notes-file (concat org-directory "/notes") + + ;; ‘Remember’: new items at top + org-reverse-note-order t + + org-modules '(org-protocol) + + ;; Add time done to ‘done’ tasks + org-log-done 'time + + org-list-allow-alphabetical t + + org-adapt-indentation nil + + org-pretty-entities t + + org-table-duration-custom-format 'seconds + + org-src-fontify-natively nil + + org-export-have-math t + + org-blank-before-new-entry '((heading . t) + (plain-list-item . auto)) + org-fontify-done-headline t + + org-goto-interface 'outline-path-completion + + org-outline-path-complete-in-steps nil + + org-todo-keywords '((sequence "BACKLOG(b)" "TODO(t)" "WAIT(w@/!)" "STARTED(s!)" "|" "DONE(d!)") + (sequence "|" "CANCELLED(c@)")) + org-log-into-drawer "LOGBOOK") + (set-register ?o `(file . ,(expand-file-name "organiser.org" org-directory))) + (add-hook 'org-mode-hook #'turn-on-auto-fill) + (org-load-modules-maybe t))) + +(use-package org-src + :ensure nil + :after org + :config (progn + (bind-key "C-x C-s" #'org-edit-src-exit org-src-mode-map))) +;; #+END_SRC + +;; ***** org-babel + +;; Org’s babel feature is really nice. I use it for this file, and I can +;; use it to communicate between programming languages. Sometime I hope +;; to have my =ledger= setup in an org file with some graph processing +;; with R or something. + +;; #+BEGIN_SRC emacs-lisp +(use-package ob-core + :defer t + :ensure nil + :config (progn + (org-babel-do-load-languages 'org-babel-load-languages + '((ledger . t) + (sh . t))) + (setq org-src-tab-acts-natively t + org-edit-src-content-indentation 0 + org-src-preserve-indentation t))) +;; #+END_SRC + +;; ***** org-journal + +;; I can use this to keep a journal. I should use it. + +;; #+BEGIN_SRC emacs-lisp +(use-package org-journal + :bind ("s-j" . org-journal-new-entry) + :defer 20 + :config (progn + (setq org-journal-date-format "%A, %d %B %Y" + org-journal-dir "~/Sync/Default/Documents/journal") + + (define-hook-helper org-journal-mode () + (use-variable-fonts) + (text-scale-adjust 4) + (if smartparens-strict-mode + (smartparens-strict-mode -1)) + (if show-smartparens-mode + (show-smartparens-mode -1))) + (defun org-journal-display-entry-yesterday () + "Show org-journal entry for yesterday" + (interactive) + (org-journal-read-or-display-entry (yesterday-time))))) +;; #+END_SRC + + +;; ** Programming +;; *** flycheck + +;; On-the-fly error checking in programming modes? Yes please. + +;; #+BEGIN_SRC emacs-lisp +(use-package flycheck + :diminish " ✓" + :defer 5 + :config (progn + (global-flycheck-mode) + (setq flycheck-check-syntax-automatically '(save mode-enabled)) + (setq flycheck-indication-mode 'left-fringe) + (with-eval-after-load 'git-gutter-fringe + (fringe-helper-define 'flycheck-fringe-bitmap-double-arrow '(center repeated) + ".XXX....")) + (if (executable-find "eslint_d") + (setq flycheck-javascript-eslint-executable "eslint_d")))) +;; #+END_SRC + +;; **** flycheck-pos-tip + +;; Show flycheck errors in a little popup, so I don't lose my place + +;; #+BEGIN_SRC emacs-lisp +(use-package flycheck-pos-tip + :after flycheck + :config (progn + (setq flycheck-display-errors-delay 0.5) + (flycheck-pos-tip-mode 1))) +;; #+END_SRC + +;; **** flycheck-flow + +;; #+BEGIN_SRC emacs-lisp +(use-package flycheck-flow + :after js2-mode + :if (executable-find "flow") + :config (progn + (flycheck-add-next-checker 'javascript-eslint 'javascript-flow))) +;; #+END_SRC + +;; *** golang + +;; Go has a few packages to inter-operate with other emacs packages. + +;; #+BEGIN_SRC emacs-lisp +(use-package company-go + :commands company-go + :config (progn + (setq company-go-show-annotation t)) + :init (progn + (define-hook-helper go-mode () + (set (make-local-variable 'company-backends) + '(company-go))))) + +(use-package go-eldoc + :commands go-eldoc-setup + :init (progn + (add-hook 'go-mode-hook #'go-eldoc-setup))) + +(use-package go-projectile + :defer t + :config (progn + (setq go-projectile-switch-gopath 'maybe))) + + +;; #+END_SRC + +;; *** ggtags + +;; A nice completion backend for programming modes. + +;; #+BEGIN_SRC emacs-lisp +(use-package ggtags + :if (executable-find "gtags") + :commands turn-on-ggtags-mode + :functions (ggtags-navigation-mode-abort) + :config (progn + (bind-key "q" #'ggtags-navigation-mode-abort ggtags-navigation-mode-map)) + :init (progn + (defun turn-on-ggtags-mode () + (interactive) + (ggtags-mode 1)) + (add-hook 'c-mode-common-hook #'turn-on-ggtags-mode))) +;; #+END_SRC + +;; *** dumb-jump + +;; A "clever" way of implementing go-to-definition across languages: use +;; a project-wide text search and apply heuristics to the results to +;; guess a definition. + +;; #+BEGIN_SRC emacs-lisp +(use-package dumb-jump + :bind (("M-g o" . dumb-jump-go-other-window) + ("M-g j" . dumb-jump-go) + ("M-g x" . dumb-jump-go-prefer-external) + ("M-g z" . dumb-jump-go-prefer-external-other-window)) + :config (setq dumb-jump-selector 'ivy)) +;; #+END_SRC + +;; *** imenu-anywhere + +;; This is like imenu, but shows functions (or similar top-level +;; entities) across buffers in the same project. Neat! + +;; #+BEGIN_SRC emacs-lisp +(use-package imenu-anywhere + :bind ("C-x C-." . ivy-imenu-anywhere)) +;; #+END_SRC +;; *** Lisps + +;; **** All + +;; Lisp modes don’t seem to have a common ancestor. So I made a custom +;; hook which I trigger in every lispy-mode. + +;; #+BEGIN_SRC emacs-lisp +(defcustom lisp-mode-common-hook nil + "Hook run when entering any Lisp mode." + :type 'hook + :group 'lisp) + +(create-hook-helper lisp-mode-setup () + :hooks (emacs-lisp-mode-hook + scheme-mode-hook + lisp-mode-hook + clojure-mode-hook) + (run-hooks 'lisp-mode-common-hook)) +;; #+END_SRC + +;; ***** Redshank + +;; Lisp syntax allows for really easy refactoring. Redshank gives some +;; operations that aren’t part of paredit, like extracting variables into +;; let bindings. +;; #+BEGIN_SRC emacs-lisp +(use-package redshank + :diminish " Λ" + :after (paredit) + :config (progn + (add-hook 'lisp-mode-common-hook #'turn-on-redshank-mode))) +;; #+END_SRC + +;; **** Emacs Lisp + +;; Customise the modeline-display of =emacs-lisp-mode=. Then make sure +;; it runs the common lisp hooks. + +;; #+BEGIN_SRC emacs-lisp +(add-hook 'emacs-lisp-mode-hook #'eldoc-mode) +;; #+END_SRC + +;; Go-to function for elisp. Except it works through the entire Emacs ecosystem. + +;; #+BEGIN_SRC emacs-lisp +(use-package elisp-slime-nav + :commands elisp-slime-nav-mode + :diminish elisp-slime-nav-mode + :init (progn + (add-hook 'emacs-lisp-mode-hook #'elisp-slime-nav-mode))) +;; #+END_SRC + +;; Interactive elisp + +;; #+BEGIN_SRC emacs-lisp +(use-package ielm + :defer t + :ensure nil + :config (progn + (define-hook-helper ielm-mode () + (run-hooks 'lisp-mode-common-hook)))) +;; #+END_SRC + +;; **** Scheme & Lisp + +;; I don’t work with these as often as I would like + +;; #+BEGIN_SRC emacs-lisp +(define-hook-helper lisp-mode () + (set (make-local-variable 'lisp-indent-function) + #'common-lisp-indent-function)) +;; #+END_SRC + +;; ***** geiser + +;; A REPL thing for Scheme. Hopefully I’ll get to use it more in the +;; future. + +;; #+BEGIN_SRC emacs-lisp +(use-package geiser + :commands (geiser-mode + geiser + run-geiser + run-racket)) +;; #+END_SRC + +;; ***** slime + +;; A REPL thing (and more) for Lisp. + +;; #+BEGIN_SRC emacs-lisp +(use-package slime + :commands (slime) + :config (progn + (let ((ql-slime-helper (expand-file-name "~/quicklisp/slime-helper.el"))) + (if (file-exists-p ql-slime-helper) + (load ql-slime-helper)) + (slime-setup '(slime-fancy slime-asdf))) + (setq common-lisp-hyperspec-root "file://opt/local/share/doc/lisp/HyperSpec-7-0/" + inferior-lisp-program (or (executable-find "sbcl") + (executable-find "ccl64"))))) +;; #+END_SRC + +;; **** Clojure + +;; #+BEGIN_SRC emacs-lisp +(use-package clojure-mode + :defer t + :init (progn + (define-hook-helper cider-repl-mode () + (highlight-changes-mode -1)))) + +(use-package clj-refactor + :defer t + :functions (clj-refactor-mode cljr-add-keybindings-with-prefix) + :config (progn + (cljr-add-keybindings-with-prefix "C-c C-m")) + :init (progn + (define-hook-helper clojure-mode () + (clj-refactor-mode 1)))) +;; #+END_SRC + +;; ***** cider + +;; A REPL thing for Clojure + +;; #+BEGIN_SRC emacs-lisp +(use-package cider + :defer t + :config (progn + (setq nrepl-hide-special-buffers t) + (unbind-key "C-c C-f" cider-mode-map) + (add-hook 'cider-mode-hook #'eldoc-mode))) +;; #+END_SRC + +;; *** Auto-compile + +;; Auto-compile emacs lisp when saving. +;; #+BEGIN_SRC emacs-lisp +(use-package auto-compile + :defer t + :init (add-hook 'emacs-lisp-mode-hook #'auto-compile-on-save-mode)) +;; #+END_SRC + +;; *** cc-mode + +;; Although I don’t use C or C++, setting up the mode is helpful because +;; quite a few other modes are derived from it. + +;; #+BEGIN_SRC emacs-lisp +(use-package cc-mode + :defer 5 + :config (progn + (setq c-default-style '((java-mode . "java") + (awk-mode . "awk") + (other . "k&r")) + c-basic-offset 4) + (c-set-offset 'case-label '+))) +;; #+END_SRC + +;; *** quickrun + +;; It’s nice to be able to quickly evaluate some code. Although I don’t +;; really seem to use it. +;; #+BEGIN_SRC emacs-lisp +(use-package quickrun + :bind (("C-c C-e" . quickrun))) +;; #+END_SRC + +;; *** Scala + +;; Let’s try using Scala. + +;; #+BEGIN_SRC emacs-lisp +(use-package scala-mode) +;; #+END_SRC + +;; And add ensime, an IDE-style environment. + +;; #+BEGIN_SRC emacs-lisp +(use-package ensime) +;; #+END_SRC + +;; *** Web development + +;; **** js2-mode + +;; This mode is really great for editing Javascript. It turns code into +;; an AST internally, so it can work with it almost like a lisp. + +;; #+BEGIN_SRC emacs-lisp +(use-package js2-mode + :mode (("\\.js\\'" . js2-mode)) + :interpreter ("node" . js2-mode) + :functions (js2-next-error + js2--struct-put) + :config (progn + (define-key js2-mode-map [menu-bar Javascript] nil) + (add-hook 'js2-mode-hook #'js2-imenu-extras-mode) + (defun ap/js2-prev-error () + (interactive) + (js2-next-error -1)) + (bind-key "M-g M-n" #'js2-next-error js2-mode-map) + (bind-key "M-g M-p" #'ap/js2-prev-error js2-mode-map) + (setq js2-basic-offset 2 + js-switch-indent-offset 2 + js2-include-node-externs t + js2-highlight-level 1 + js2-strict-missing-semi-warning nil))) +;; #+END_SRC + +;; ***** rjsx-mode + +;; A set of advice for js2-jsx-mode to work better with React. + +;; #+BEGIN_SRC emacs-lisp +(use-package rjsx-mode + :after js2-mode + :if (fboundp #'js2--struct-put) + :mode (("\\.jsx\\'" . rjsx-mode))) +;; #+END_SRC + +;; ***** js2-refactor + +;; Thanks to the AST provided by js2-mode, refactoring is possible. This +;; library implements some refactorings. + +;; #+BEGIN_SRC emacs-lisp +(use-package js2-refactor + :after js2-mode + :config (progn + (bind-key "C-k" #'js2r-kill js2-mode-map) + (add-hook 'js2-mode-hook #'js2-refactor-mode) + (js2r-add-keybindings-with-prefix "C-c C-m"))) +;; #+END_SRC + +;; ***** add-node-modules-path + +;; Inside a javascript project, it's common to install tools locally to +;; the project. This will allows emacs to find their executables. + +;; #+BEGIN_SRC emacs-lisp +(use-package add-node-modules-path + :config (progn + (add-hook 'js2-mode-hook #'add-node-modules-path))) +;; #+END_SRC + +;; ***** Flow + +;; #+BEGIN_SRC emacs-lisp +(use-package flow-minor-mode + :after js2-mode + :config (progn + (add-hook 'js2-mode-hook #'flow-minor-enable-automatically))) +;; #+END_SRC + +;; ***** Indium + +;; Javascript with an inferior node.js process and a debugger? Awesome. + +;; To debug with node, use version 6.9.1 or later of node and run it with +;; ~--inspect~ and, to break on the first line, ~--debug-brk~. + +;; For Chrom*, it needs to be launched with +;; ~--remote-debugging-port=9222~ + +;; Node will tell you to open an URL in Chrome: + +;; ~chrome-devtools://inspector.html?...&ws=127.0.0.1:PORT/PATH~ + +;; Instead, do this: + +;; ~M-x indium-connect-to-nodejs RET 127.0.0.1 RET PORT RET~ + +;; #+BEGIN_SRC emacs-lisp +(use-package indium + :diminish (indium-interaction-mode . "In") + :config (progn + (add-hook 'js2-mode-hook #'indium-interaction-mode))) +;; #+END_SRC + +;; **** tern + +;; Tern understands javascript. It adds really clever documented +;; completions, besides other IDE-like things. + +;; #+BEGIN_SRC emacs-lisp +(use-package tern + :diminish tern-mode + :if (executable-find "tern") + :defer 5 + :config (progn + (setq tern-command (list (executable-find "tern"))) + (create-hook-helper tern-mode-on () + :hooks (web-mode-hook + js2-mode-hook) + (tern-mode +1)))) + +(with-eval-after-load 'tern + (use-package company-tern)) +;; #+END_SRC + +;; **** json-mode + +;; #+BEGIN_SRC emacs-lisp +(use-package json-mode + :mode (("\\.json\\'" . json-mode) + ("\\.sailsrc\\'" . json-mode) + ("composer\\.lock\\'" . json-mode) + ("\\.tern-project\\'" . json-mode))) +;; #+END_SRC + +;; **** restclient + +;; Restclient is really nice. It’s like a scratchpad for HTTP api +;; calls. Feels a bit like using =org-babel=. I wonder if there’s an +;; integration between the two yet. + +;; #+BEGIN_SRC emacs-lisp +(use-package restclient + :mode ("\\.api\\'" . restclient-mode) + :config (progn + (defun imenu-restclient-sections () + (setq imenu-prev-index-position-function nil) + (add-to-list 'imenu-generic-expression '("Services" "^## ?\\(.+\\)$" 1) t) + (add-to-list 'imenu-generic-expression '("Calls" "^# ?\\(.+\\)$" 1) t)) + (add-hook 'restclient-mode-hook #'imenu-restclient-sections))) + +(use-package company-restclient + :after (company restclient) + :init (add-to-list 'company-backends #'company-restclient t)) +;; #+END_SRC + +;; **** sgml-mode + +;; This is for HTML, since old versions of HTML were derived from SGML. +;; #+BEGIN_SRC emacs-lisp +(use-package sgml-mode + :defer t + :config (setq sgml-basic-offset 2)) +;; #+END_SRC + +;; **** emmet-mode + +;; Emmet is really nice to write HTML quickly. Especially with +;; frameworks that require multiple nested elements to do anything useful. +;; #+BEGIN_SRC emacs-lisp +(use-package emmet-mode + :commands (emmet-mode) + :diminish (emmet-mode . " >") + :init (progn + (setq emmet-indentation 2 + emmet-self-closing-tag-style " /") + (add-hook 'sgml-mode-hook #'emmet-mode) + (add-hook 'web-mode-hook #'emmet-mode) + (add-hook 'css-mode-hook #'emmet-mode))) +;; #+END_SRC + +;; **** web-mode + +;; This mode handles just about every templating language out ther, which +;; is really nice, because it handles the HTML part the same way in all +;; of them as well. + +;; #+BEGIN_SRC emacs-lisp +(use-package web-mode + :mode (("/views/.*\\.php\\'" . web-mode) + ("\\.html\\'" . web-mode) + ("/templates/.*\\.php\\'" . web-mode) + ("\\.ejs\\'" . web-mode) + ("\\.njk\\'" . web-mode)) + :config (progn + (setq web-mode-code-indent-offset 2 + web-mode-css-indent-offset 2 + web-mode-markup-indent-offset 2 + web-mode-style-padding 0 + web-mode-script-padding 0 + web-mode-comment-style 2 + web-mode-enable-auto-pairing nil + web-mode-enable-auto-quoting nil) + (sp-local-pair '(web-mode) "<%" "%>"))) +;; #+END_SRC + +;; *** Live coding + +;; Sometimes I might want to show off my emacs usage. + +;; #+BEGIN_SRC emacs-lisp +(defun live-coding () + (interactive) + (ap/set-fonts "SF Mono" 18 nil nil t 0.1) + (global-command-log-mode 1)) + +(defun live-coding-stop () + (interactive) + (ap/set-fonts-according-to-system) + (global-command-log-mode -1)) +;; #+END_SRC + +;; **** command-log-mode + +;; #+BEGIN_SRC emacs-lisp +(use-package command-log-mode + :defines command-log-mode-key-binding-open-log + :init (progn + (setq command-log-mode-key-binding-open-log nil + command-log-mode-auto-show t + command-log-mode-is-global t))) +;; #+END_SRC + +;; ** Spelling + +;; #+BEGIN_SRC emacs-lisp +(use-package ispell + :bind (("<f8>" . ispell-word)) + :config (progn + (cond + ((executable-find "aspell") (setq ispell-program-name "aspell" + ispell-dictionary "british" + ispell-really-aspell t + ispell-really-hunspell nil)) + ((executable-find "hunspell") (setq ispell-program-name "hunspell" + ispell-really-aspell nil + ispell-really-hunspell t))))) +;; #+END_SRC + +;; #+BEGIN_SRC emacs-lisp +(use-package flyspell + :diminish "﹏" + :config (progn + (defun flyspell-detect-ispell-args (&optional run-together) + "If RUN-TOGETHER is true, spell check the CamelCase words. + Please note RUN-TOGETHER will make aspell less capable. So it should only be used in prog-mode-hook." + (let (args) + (when ispell-program-name + (cond + ((string-match "aspell$" ispell-program-name) + (setq args (list "--sug-mode=ultra")) + (if run-together + (setq args (append args '("--run-together" "--run-together-limit=16" "--run-together-min=2"))))) + ((string-match "hunspell$" ispell-program-name) + (setq args nil)))) + args)) + ;; `ispell-extra-args' is *always* used when start CLI aspell process + (setq-default ispell-extra-args (flyspell-detect-ispell-args t)) + ;; (setq ispell-cmd-args (flyspell-detect-ispell-args)) + (defadvice ispell-word (around my-ispell-word activate) + (let ((old-ispell-extra-args ispell-extra-args)) + (ispell-kill-ispell t) + ;; use emacs original arguments + (setq ispell-extra-args (flyspell-detect-ispell-args)) + ad-do-it + ;; restore our own ispell arguments + (setq ispell-extra-args old-ispell-extra-args) + (ispell-kill-ispell t))) + + (defadvice flyspell-auto-correct-word (around my-flyspell-auto-correct-word activate) + (let* ((old-ispell-extra-args ispell-extra-args)) + (ispell-kill-ispell t) + ;; use emacs original arguments + (setq ispell-extra-args (flyspell-detect-ispell-args)) + ad-do-it + ;; restore our own ispell arguments + (setq ispell-extra-args old-ispell-extra-args) + (ispell-kill-ispell t))) + (setq flyspell-issue-message-flag nil) + + (defun fly-text-mode-hook-setup () + ;; Turn off RUN-TOGETHER option when spell check text-mode + (setq-local ispell-extra-args (flyspell-detect-ispell-args))) + (add-hook 'text-mode-hook 'fly-text-mode-hook-setup) + (add-hook 'prog-mode-hook #'flyspell-prog-mode))) +;; #+END_SRC + +;; *** Style checking + +;; [[https://github.com/ValeLint/vale][Vale]] is a linter, but for prose. Neat idea! Salesman is a bad term. + +;; #+BEGIN_SRC emacs-lisp +(use-package flycheck-vale + :if (executable-find "vale") + :config (progn + (add-to-list 'flycheck-vale-modes 'org-mode) + (add-to-list 'flycheck-vale-modes 'org-journal-mode) + (flycheck-vale-setup))) +;; #+END_SRC + +;; ** Scripting + +;; Make a shell-script buffer executable after saving it, if it has a shebang. + +;; #+BEGIN_SRC emacs-lisp +(add-hook 'after-save-hook + #'executable-make-buffer-file-executable-if-script-p) + +(use-package sh-script + :mode (("\\.zsh\\'" . shell-script-mode) + ("zshenv\\'" . shell-script-mode) + ("zshrc\\'" . shell-script-mode)) + :config (setq sh-shell-file "/usr/bin/env zsh" + sh-indentation 2 + sh-basic-offset 2)) +;; #+END_SRC + +;; #+BEGIN_SRC emacs-lisp +(add-hook 'shell-mode-hook 'ansi-color-for-comint-mode-on) +;; #+END_SRC + +;; *** eshell + +;; I should try to get into the habit of using this more. It’s really +;; nice, when I remember to use it. + +;; #+BEGIN_SRC emacs-lisp +(use-package eshell + :bind ("C-c s" . eshell) + :defer 10 + :functions (eshell/pwd) + :config (progn + (setq eshell-directory-name "~/.emacs.d/eshell" + eshell-prompt-function (lambda () + (concat + (eshell/pwd) + "\n$ "))) + (define-hook-helper eshell-load () + (bind-key "C-c C-l" #'counsel-esh-history eshell-mode-map)))) + +(use-package em-smart + :ensure nil + :commands eshell-smart-initialize + :init (progn + (add-hook 'eshell-load-hook #'eshell-smart-initialize)) + :config (progn + (setq eshell-where-to-jump 'begin + eshell-review-quick-commands nil + eshell-smart-space-goes-to-end t))) + +(autoload #'eshell/cd "em-dirs") +(defun eshell-goto-current-dir (&optional arg) + (interactive "P") + (let ((dir default-directory)) + (eshell arg) + (eshell/cd dir))) +(bind-key "C-c S" #'eshell-goto-current-dir) + + +;; #+END_SRC + +;; **** Shells + +;; #+BEGIN_SRC emacs-lisp +(use-package shell + :defer t + :ensure nil + :config (define-key shell-mode-map + (kbd "C-d") 'comint-delchar-or-eof-or-kill-buffer)) + +(use-package comint + :defer t + :ensure nil + :config (bind-key "C-c C-l" #'counsel-shell-history comint-mode-map)) + +(defun comint-delchar-or-eof-or-kill-buffer (arg) + (interactive "p") + (if (null (get-buffer-process (current-buffer))) + (kill-buffer) + (comint-delchar-or-maybe-eof arg))) +;; #+END_SRC + +;; ** Text editing + +;; Emacs has an editor within. + +;; #+BEGIN_SRC emacs-lisp +(put 'upcase-region 'disabled nil) +(put 'downcase-region 'disabled nil) +(setq sentence-end-double-space t + line-move-visual nil) +(setq-default truncate-lines t) +;; #+END_SRC + +;; *** align + +;; =Align= is a useful command to line things up, once given some rules. +;; The most important one for me is JSON property alignment. + +;; #+BEGIN_SRC emacs-lisp +(use-package align + :defer 10 + :ensure nil + :config (progn + (add-to-list 'align-rules-list + '(colon-key-value + (regexp . ":\\(\\s-*\\)") + (modes . '(js2-mode)))))) +;; #+END_SRC + +;; *** Clipboard + +;; I like to use the clipboard more than the primary selection in X11. + +;; #+BEGIN_SRC emacs-lisp +(setq select-enable-clipboard t + save-interprogram-paste-before-kill t) +(if (functionp 'x-cut-buffer-or-selection-value) + (setq interprogram-paste-function 'x-cut-buffer-or-selection-value)) +(when (boundp 'x-select-request-type) + (setq x-select-request-type '(UTF8_STRING COMPOUND_TEXT TEXT STRING))) +;; #+END_SRC + +;; *** Selection + +;; I’m quite used to deleting text by selecting it and typing. Emacs has +;; a mode for that. + +;; #+BEGIN_SRC emacs-lisp +(use-package delsel + :config (delete-selection-mode t)) +;; #+END_SRC + +;; Sub-word movement is really nice for camel- and Pascal-case + +;; #+BEGIN_SRC emacs-lisp +(use-package subword + :diminish subword-mode + :init (global-subword-mode t)) +;; #+END_SRC + +;; I find that =zap-up-to-char= normally makes more sense to me than +;; =zap-to-char=. + +;; #+BEGIN_SRC emacs-lisp +(use-package misc + :ensure nil + :bind (("M-z" . zap-up-to-char) + ("M-Z" . zap-to-char))) +;; #+END_SRC + +;; Expanding the region by semantic units was something I quite liked +;; from Sublime Text. As always, there’s a mode for that. + +;; #+BEGIN_SRC emacs-lisp +(use-package expand-region + :bind ("C-M-SPC" . er/expand-region) + :config (setq expand-region-fast-keys-enabled nil)) +;; #+END_SRC + +;; *** avy + +;; Avy is a really nice way to move around files, like ace-jump-mode, but +;; somehow I prefer it. + +;; #+BEGIN_SRC emacs-lisp +(use-package avy + :defer 5 + :bind (("M-g g" . avy-goto-line) + ("M-g M-g" . avy-goto-line) + ("C-|" . avy-goto-line) + ("M-r" . avy-goto-word-1) + ("C-c SPC" . avy-goto-char-timer)) + :config (progn + (avy-setup-default) + (setq avy-all-windows nil + avy-keys '(?a ?r ?s ?t ?d ?h ?n ?e ?i ?\;)))) +;; #+END_SRC + +;; **** ace-link + +;; Visit any link. Despite the name, this works with avy. + +;; #+BEGIN_SRC emacs-lisp +(use-package ace-link + :after avy + :config (progn + (ace-link-setup-default) + (with-eval-after-load "gnus" + (bind-key "M-o" #'ace-link-gnus gnus-summary-mode-map) + (bind-key "M-o" #'ace-link-gnus gnus-article-mode-map)))) +;; #+END_SRC + +;; *** goto-chg + +;; This is like popping the mark, only it filters to only change areas +;; and doesn’t go back to the same place more than once. + +;; #+BEGIN_SRC emacs-lisp +(use-package goto-chg + :bind ("C-c C-SPC" . goto-last-change)) +;; #+END_SRC + +;; *** beginend + +;; In special buffers, I would rather have =M->= and =M-<= goto the +;; logical beginning/end rather than the physical ones. + +;; #+BEGIN_SRC emacs-lisp +(use-package beginend + :config (progn + (beginend-setup-all))) +;; #+END_SRC + +;; *** multiple-cursors + +;; I mentioned before that I’d used Sublime Text before. Multiple +;; cursors was one of my favourite features, so I was really happy when I +;; saw that multiple-cursors was released for Emacs. + +;; #+BEGIN_SRC emacs-lisp +(use-package multiple-cursors + :defer 1 + :bind* (("C-." . mc/mark-next-like-this) + ("C-," . mc/mark-previous-like-this) + ("M-<f3>" . mc/mark-all-like-this-dwim) + ("C-<f3>" . mc/mark-more-like-this-extended) + ("C-S-L" . mc/edit-lines))) +;; #+END_SRC + +;; *** paredit + +;; Balanced parentheses in lisps are nice, but all the refactoring and +;; movement commands are much more interesting. + +;; #+BEGIN_SRC emacs-lisp +(use-package paredit + :diminish "()" + :config (progn + (add-hook 'lisp-mode-common-hook #'enable-paredit-mode) + (put #'paredit-forward-delete 'delete-selection 'supersede) + (put #'paredit-backward-delete 'delete-selection 'supersede) + (add-hook 'eval-expression-minibuffer-setup-hook #'enable-paredit-mode))) +;; #+END_SRC + +;; *** smartparens + +;; I like to use smartparens where paredit isn’t already useful. Somehow +;; I didn’t find smartparens’ implementation of paredit style to be as +;; nice as the real version + +;; #+BEGIN_SRC emacs-lisp +(eval-when-compile (require 'smartparens nil :noerror)) +(use-package smartparens-config + :ensure smartparens + :config (progn + (sp-use-smartparens-bindings) + (setq sp-highlight-pair-overlay nil) + (fset 'wrap-with-paren "\C-](") ;; `sp-select-next-thing-exchange' + (bind-key "C-(" #'wrap-with-paren smartparens-mode-map) + (bind-key "C-)" #'sp-forward-slurp-sexp smartparens-mode-map) + (bind-key "M-<backspace>" #'backward-kill-word smartparens-mode-map) + (bind-key "M-?" #'sp-convolute-sexp smartparens-mode-map) + (bind-key "C-M-t" #'sp-transpose-sexp smartparens-mode-map) + (bind-key "M-R" #'sp-raise-sexp smartparens-mode-map) + (bind-key "M-S" #'sp-splice-sexp smartparens-mode-map) + (bind-key "C-M-s" #'sp-split-sexp smartparens-mode-map) + (bind-key "M-J" #'sp-join-sexp smartparens-mode-map) + (bind-key "M-<up>" #'sp-splice-sexp-killing-backward smartparens-mode-map) + (bind-key "M-<down>" #'sp-splice-sexp-killing-forward smartparens-mode-map) + (bind-key "C-M-S-k" #'sp-kill-hybrid-sexp smartparens-mode-map) + (bind-key "C-S-<right>" #'sp-slurp-hybrid-sexp smartparens-mode-map) + (show-smartparens-global-mode t) + (smartparens-global-strict-mode t) + (define-hook-helper lisp-mode-common () + (smartparens-strict-mode -1) + (smartparens-mode -1)))) +;; #+END_SRC + + +;; *** move-text + +;; Transposing lines, made easier. + +;; #+BEGIN_SRC emacs-lisp +(use-package move-text + :config (move-text-default-bindings)) +;; #+END_SRC + +;; *** undo-tree + +;; Emacs’ default handling of undo is a bit confusing. Undo-tree makes +;; it much clearer. It’s especially helpful for protoyping and refactoring. + +;; #+BEGIN_SRC emacs-lisp +(use-package undo-tree + :config (progn + (global-undo-tree-mode) + ;; Keep region when undoing in region + (defadvice undo-tree-undo (around keep-region activate) + (if (use-region-p) + (let ((m (set-marker (make-marker) (mark))) + (p (set-marker (make-marker) (point)))) + ad-do-it + (goto-char p) + (set-mark m) + (set-marker p nil) + (set-marker m nil)) + ad-do-it))) + :diminish undo-tree-mode) +;; #+END_SRC + +;; *** replace + +;; #+BEGIN_SRC emacs-lisp +(with-eval-after-load "replace.el" + (setq case-replace nil)) +;; #+END_SRC + +;; *** visual-regexp + +;; I don’t always remember exactly how Emacs’ regular expressions work, +;; so this package is pretty useful because it highlights everything in +;; the buffer for me. + +;; #+BEGIN_SRC emacs-lisp +(use-package visual-regexp + :bind (("C-c r" . vr/replace) + ("C-c q" . vr/query-replace) + ("C-c m" . vc/mc-mark))) +;; #+END_SRC + +;; ** End + +;; Start a server if possible. A daemon is already a server. +;; #+BEGIN_SRC emacs-lisp +(use-package server + :defer 2 + :if (not (daemonp)) + :config (unless (server-running-p server-name) + (server-start))) +;; #+END_SRC |