305 lines
9.9 KiB
EmacsLisp
305 lines
9.9 KiB
EmacsLisp
;;; +emacs.el --- measured defaults for Emacs -*- lexical-binding: t -*-
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;;; Commentary:
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;; I find myself copy-pasting a lot of "boilerplate" type code when
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;; bankrupting my Emacs config and starting afresh. Instead of doing
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;; that, I'm putting it here, where it'll be easier to include in my
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;; config.
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;; Of course, some might say I could just ... stop bankrupting my
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;; Emacs. But like, why would I want to?
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;; Other notable packages include
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;; - https://git.sr.ht/~technomancy/better-defaults/
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;; - https://github.com/susam/emfy
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;;; Code:
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(require 'early-init (locate-user-emacs-file "early-init.el"))
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(defun +set-major-mode-from-buffer-name (&optional buf)
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"Set the major mode for BUF from the buffer's name.
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Do this only if the buffer is not visiting a file."
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(unless buffer-file-name
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(let ((buffer-file-name (buffer-name buf)))
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(set-auto-mode))))
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;;; General settings
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(setq-default
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apropos-do-all t
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async-shell-command-buffer 'new-buffer
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async-shell-command-display-buffer nil
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auto-hscroll-mode 'current-line
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auto-revert-verbose nil
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auto-save-file-name-transforms `((".*" ,(.etc "auto-save/" t) t))
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auto-save-interval 60
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auto-save-list-file-prefix (.etc "auto-save/.saves-" t)
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auto-save-timeout 60
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auto-save-visited-interval 60
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auto-window-vscroll nil
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backup-by-copying t
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backup-directory-alist `((".*" . ,(.etc "backup/" t)))
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blink-cursor-blinks 1
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completion-category-defaults nil
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completion-category-overrides '((file (styles . (partial-completion))))
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completion-ignore-case t
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completion-styles '(substring partial-completion)
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create-lockfiles nil
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cursor-in-non-selected-windows 'hollow
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cursor-type 'bar
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custom-file (.etc "custom.el")
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delete-old-versions t
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echo-keystrokes 0.1
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ediff-window-setup-function 'ediff-setup-windows-plain
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eldoc-echo-area-use-multiline-p nil
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eldoc-idle-delay 0.1
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enable-recursive-minibuffers t
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executable-prefix-env t
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fast-but-imprecise-scrolling t
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file-name-shadow-properties '(invisible t intangible t)
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fill-column 80
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frame-resize-pixelwise t
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global-auto-revert-non-file-buffers t
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global-mark-ring-max 100
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hscroll-margin 1
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hscroll-step 1
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imenu-auto-rescan t
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indent-tabs-mode nil
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indicate-empty-lines nil
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indicate-buffer-boundaries 'left
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inhibit-startup-screen t
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initial-buffer-choice t
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kill-do-not-save-duplicates t
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kill-read-only-ok t
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kill-ring-max 500
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kmacro-ring-max 20
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load-prefer-newer t
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major-mode '+set-major-mode-from-buffer-name
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mark-ring-max 50
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minibuffer-eldef-shorten-default t
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minibuffer-prompt-properties (list 'read-only t
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'cursor-intangible t
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'face 'minibuffer-prompt)
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mode-require-final-newline 'visit-save
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mouse-drag-copy-region t
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mouse-wheel-progressive-speed nil
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mouse-yank-at-point t
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native-comp-async-report-warnings-errors 'silent
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read-answer-short t
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read-buffer-completion-ignore-case t
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read-extended-command-predicate (when (fboundp
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'command-completion-default-include-p)
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'command-completion-default-include-p)
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recenter-positions '(top middle bottom)
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regexp-search-ring-max 100
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regexp-search-ring-max 200
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save-interprogram-paste-before-kill t
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scroll-conservatively 101
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scroll-down-aggressively 0.01
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scroll-margin 1
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scroll-preserve-screen-position 1
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scroll-step 1
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scroll-up-aggressively 0.01
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search-ring-max 200
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search-ring-max 200
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sentence-end-double-space t
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set-mark-command-repeat-pop t
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show-paren-delay 0
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show-paren-style 'mixed
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show-paren-when-point-in-periphery t
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show-paren-when-point-inside-paren t
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;;show-trailing-whitespace t
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tab-bar-show 1
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tab-width 4
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tramp-backup-directory-alist backup-directory-alist
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undo-limit 100000000 ; 10 MB
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use-dialog-box nil
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use-file-dialog nil
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use-short-answers t
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vc-follow-symlinks t
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vc-make-backup-files t
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version-control t
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view-read-only t
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visible-bell nil
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window-resize-pixelwise t
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x-select-enable-clipboard t
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x-select-enable-primary t
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yank-pop-change-selection t
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)
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;; Programming language offsets.
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;; Set these after the initial block so I can use `tab-width'
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(setq-default
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c-basic-offset tab-width)
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;; Emacs 28 ships with an option, `use-short-answers', that makes this form
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;; obsolete, but I still use 27 at work.
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(when (version< emacs-version "28")
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(fset 'yes-or-no-p 'y-or-n-p))
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;;; Encodings
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(setq-default locale-coding-system 'utf-8-unix
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coding-system-for-read 'utf-8-unix
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coding-system-for-write 'utf-8-unix
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buffer-file-coding-system 'utf-8-unix
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default-process-coding-system '(utf-8-unix . utf-8-unix)
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x-select-request-type '(UTF8_STRING
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COMPOUND_TEXT
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TEXT
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STRING))
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(set-charset-priority 'unicode)
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(set-language-environment "UTF-8")
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(prefer-coding-system 'utf-8-unix)
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(set-default-coding-systems 'utf-8-unix)
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(set-terminal-coding-system 'utf-8-unix)
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(set-keyboard-coding-system 'utf-8-unix)
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(pcase system-type
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((or 'ms-dos 'windows-nt)
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(set-clipboard-coding-system 'utf-16-le)
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(set-selection-coding-system 'utf-16-le))
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(_
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(set-selection-coding-system 'utf-8)
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(set-clipboard-coding-system 'utf-8)))
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;;; Modes
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(dolist (enable-mode '(global-auto-revert-mode
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blink-cursor-mode
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electric-pair-mode
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show-paren-mode
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global-so-long-mode
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minibuffer-depth-indicate-mode
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file-name-shadow-mode
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minibuffer-electric-default-mode
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delete-selection-mode
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column-number-mode))
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(when (fboundp enable-mode)
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(funcall enable-mode +1)))
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(dolist (disable-mode '(tooltip-mode
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tool-bar-mode
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menu-bar-mode
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scroll-bar-mode
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horizontal-scroll-bar-mode))
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(when (fboundp disable-mode)
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(funcall disable-mode -1)))
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;;; Hooks
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(add-hook 'after-save-hook 'executable-make-buffer-file-executable-if-script-p)
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(add-hook 'minibuffer-setup-hook 'cursor-intangible-mode)
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;;; Better-default functions ...
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(defun +cycle-spacing (&optional n preserve-nl-back mode)
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"Negate N argument on `cycle-spacing'.
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That is, with a positive N, deletes newlines as well, leaving -N
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spaces. If N is negative, it will not delete newlines and leave
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N spaces. See docstring of `cycle-spacing' for the meaning of
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PRESERVE-NL-BACK and MODE."
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(interactive "*p")
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(cycle-spacing (- n) preserve-nl-back mode))
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(defun +save-buffers-quit (&optional arg)
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"Silently save each buffer, then kill the current connection.
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If the current frame has no client, kill Emacs itself using
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`save-buffers-kill-emacs' after confirming with the user.
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With prefix ARG, silently save all file-visiting buffers, then
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kill without asking."
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(interactive "P")
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(save-some-buffers t)
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(if (and (not (frame-parameter nil 'client))
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(and (not arg)))
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(when (yes-or-no-p "Sure you want to quit? ")
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(save-buffers-kill-emacs))
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(delete-frame nil :force)))
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;; ... and advice
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;; Indent the region after a yank.
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(defun +yank@indent (&rest _)
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"Indent the current region."
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(indent-region (min (point) (mark)) (max (point) (mark))))
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(advice-add #'yank :after #'+yank@indent)
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(advice-add #'yank-pop :after #'+yank@indent)
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;;; Bindings
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;; I need to place these bindings under `+key-mode-map' so that they aren't
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;; shadowed by other maps. There might be a better way to do this.
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(require '+key)
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(dolist (binding '(("C-x C-c" . +save-buffers-quit)
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("M-SPC" . +cycle-spacing)
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("M-/" . hippie-expand)
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("M-=" . count-words)
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("C-x C-b" . ibuffer)
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("C-s" . isearch-forward-regexp)
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("C-r" . isearch-backward-regexp)
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("C-M-s" . isearch-forward)
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("C-M-r" . isearch-backward)))
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(define-key +key-mode-map (kbd (car binding)) (cdr binding)))
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;;; Required libraries
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(when (require 'uniquify nil :noerror)
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(setq-default uniquify-buffer-name-style 'forward
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uniquify-separator path-separator
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uniquify-after-kill-buffer-p t
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uniquify-ignore-buffers-re "^\\*"))
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(when (require 'goto-addr)
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(if (fboundp 'global-goto-address-mode)
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(global-goto-address-mode +1)
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(add-hook 'after-change-major-mode-hook 'goto-address-mode)))
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(when (require 'recentf nil :noerror)
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(setq-default recentf-save-file (.etc "recentf.el")
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recentf-max-menu-items 100
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recentf-max-saved-items nil
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recentf-auto-cleanup 'mode)
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(add-to-list 'recentf-exclude .etc)
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(recentf-mode +1))
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(when (require 'repeat nil :noerror)
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(setq-default repeat-exit-key "g"
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repeat-exit-timeout 5)
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(when (fboundp 'repeat-mode)
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;; `repeat-mode' is defined in repeat.el, which is an older library.
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(repeat-mode +1)))
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(when (require 'savehist nil :noerror)
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(setq-default history-length t
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history-delete-duplicates t
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history-autosave-interval 60
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savehist-file (.etc "savehist.el"))
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(dolist (var '(extended-command-history
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global-mark-ring
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kill-ring
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regexp-search-ring
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search-ring
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mark-ring))
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(add-to-list 'savehist-additional-variables var))
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(savehist-mode +1))
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(when (require 'saveplace nil :noerror)
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(setq-default save-place-file (.etc "places.el")
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save-place-forget-unreadable-files (eq system-type 'gnu/linux))
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(save-place-mode +1))
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;; (when (require 'tramp)
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;; ;; thanks Irreal! https://irreal.org/blog/?p=895
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;; (add-to-list 'tramp-default-proxies-alist
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;; '(nil "\\`root\\'" "/ssh:%h:"))
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;; (add-to-list 'tramp-default-proxies-alist
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;; '((regexp-quote (system-name)) nil nil)))
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(provide '+emacs)
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;;; +emacs.el ends here
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