166 lines
4.2 KiB
Org Mode
166 lines
4.2 KiB
Org Mode
#+TITLE: Core Emacs Configuration
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#+PROPERTY: header-args :tangle yes
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* Initialization Bootstrap
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This section tangles directly to ~/.emacs to bootstrap the entire system.
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#+begin_src elisp :tangle ~/.emacs
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;;; .emacs --- Global settings -*- lexical-binding: t; -*-
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(setq gc-cons-threshold (* 500 1024 1024))
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(add-hook 'after-init-hook (lambda () (setq gc-cons-threshold (* 5 1024 1024))))
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(setq straight-repository-branch "develop")
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(eval-and-compile
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(defvar bootstrap-version)
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(let ((bootstrap-file
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(expand-file-name "straight/repos/straight.el/bootstrap.el"
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(or (bound-and-true-p straight-base-dir)
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user-emacs-directory)))
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(bootstrap-version 7))
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(unless (file-exists-p bootstrap-file)
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(with-current-buffer
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(url-retrieve-synchronously "https://raw.githubusercontent.com/radian-software/straight.el/develop/install.el" 'silent 'inhibit-cookies)
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(goto-char (point-max))
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(eval-print-last-sexp)))
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(load bootstrap-file nil 'nomessage))
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(straight-use-package 'use-package)
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(straight-use-package 'org))
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(setq straight-use-package-by-default t)
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(require 'ob-tangle)
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;; Load the modular configuration starting from dotemacs.org
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(org-babel-load-file (expand-file-name "~/memex/system/dotemacs.org"))
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(provide '.emacs)
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#+end_src
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* Front matter
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#+begin_src elisp
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;;; emacs-core.el --- Summary
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;;; Commentary:
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;;; Code:
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;; -*- lexical-binding: t; -*-
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#+end_src
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* Garbage collector
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Increase threshold to 500 MB to ease startup
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#+begin_src elisp
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(setq gc-cons-threshold (* 500 1024 1024))
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#+end_src
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Decrease threshold to 5 MB after init
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#+begin_src elisp
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(add-hook 'after-init-hook (lambda () (setq gc-cons-threshold (* 5 1024 1024))))
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#+end_src
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* Straight.el and use-package
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Integrate use-package and straight
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#+begin_src elisp
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(setq straight-use-package-by-default t)
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(require 'use-package)
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(straight-use-package 'diminish)
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(require 'diminish)
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#+end_src
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Make sure Org is installed (straight.el)
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#+begin_src elisp
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(unless (file-directory-p (expand-file-name "~/.emacs.d/straight/versions")) (make-directory (expand-file-name "~/.emacs.d/straight/versions") t))
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(use-package org)
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#+end_src
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* Custom file
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#+begin_src elisp
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(setq custom-file (expand-file-name "custom.el" user-emacs-directory))
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(when (file-exists-p custom-file) (load custom-file))
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#+end_src
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* System information
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#+begin_src elisp
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(defvar my-laptop-p (equal (system-name) "lilitop"))
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(defvar my-server-p (and (equal (system-name) "localhost") (equal user-login-name "root")))
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(defvar my-phone-p (not (null (getenv "ANDROID_ROOT")))
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"If non-nil, GNU Emacs is running on Termux.")
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(when my-phone-p (defvar gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3"))
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(global-auto-revert-mode) ; simplifies syncing
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#+end_src
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* Persistent history
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#+begin_src elisp
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(savehist-mode)
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#+end_src
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* Disable Syntax Checkers (Diagnostic)
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#+begin_src elisp
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(when (fboundp 'flycheck-mode)
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(setq flycheck-global-modes nil)
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(global-flycheck-mode -1))
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(when (fboundp 'flymake-mode)
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(setq help-at-pt-display-when-idle t)
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;; Disable flymake in all buffers
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(add-hook 'find-file-hook (lambda () (flymake-mode -1))))
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#+end_src
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* Backup and versioning
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#+begin_src emacs-lisp
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(use-package magit)
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#+end_src
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* Personal information
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#+begin_src elisp
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(setq user-full-name "Amr Gharbeia")
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(defvar email-address "amr@gharbeia.net")
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(defvar calendar-latitude 39.0)
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(defvar calendar-longitude -77.1)
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(defvar calendar-location-name "Washington, DC")
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(defvar calendar-time-zone -300)
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(defvar calendar-standard-time-zone-name "EST")
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(defvar calendar-daylight-time-zone-name "EDT")
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#+end_src
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* Saving Emacs Sessions
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Close frame when done
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#+begin_src elisp
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(add-hook 'server-done-hook (lambda () (delete-frame)))
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#+end_src
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Save desktop session
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#+begin_src elisp
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(desktop-save-mode t)
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#+end_src
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* Security
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#+begin_src elisp
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(use-package password-store)
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#+end_src
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#+begin_src elisp
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(use-package auth-source
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:config (auth-source-pass-enable)
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)
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#+end_src
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* End matter
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#+begin_src elisp
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(provide 'emacs-core)
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;;; emacs-core.el ends here
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#+end_src
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