215 lines
8.8 KiB
EmacsLisp
215 lines
8.8 KiB
EmacsLisp
;;; core-spacemacs.el --- Spacemacs Core File
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;;
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;; Copyright (c) 2012-2014 Sylvain Benner
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;; Copyright (c) 2014-2015 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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(setq message-log-max 16384)
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(defconst emacs-start-time (current-time))
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(require 'subr-x nil 'noerror)
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(require 'core-emacs-backports)
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(require 'core-release-management)
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(require 'core-auto-completion)
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(require 'core-themes-support)
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(require 'core-fonts-support)
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(require 'core-spacemacs-buffer)
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(require 'core-toggle)
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(require 'core-micro-state)
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(require 'core-use-package-ext)
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(defgroup spacemacs nil
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"Spacemacs customizations."
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:group 'starter-kit
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:prefix 'spacemacs-)
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;; loading progress bar variables
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(defvar spacemacs-loading-char ?█)
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(defvar spacemacs-loading-string "")
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(defvar spacemacs-loading-counter 0)
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;; (defvar spacemacs-loading-text "Loading")
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;; (defvar spacemacs-loading-done-text "Ready!")
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(defvar spacemacs-loading-dots-chunk-count 3)
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(defvar spacemacs-loading-dots-count (window-total-size nil 'width))
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(defvar spacemacs-loading-dots-chunk-size
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(/ spacemacs-loading-dots-count spacemacs-loading-dots-chunk-count))
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(defvar spacemacs-loading-dots-chunk-threshold 0)
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(define-derived-mode spacemacs-mode special-mode "Spacemacs"
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"Spacemacs major mode for startup screen."
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:group 'spacemacs
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:syntax-table nil
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:abbrev-table nil
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(setq truncate-lines t)
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;; motion state since this is a special mode
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(add-to-list 'evil-motion-state-modes 'spacemacs-mode))
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(defun spacemacs/init ()
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"Create the special buffer for `spacemacs-mode' and perform startup
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initialization."
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;; explicitly set the prefered coding systems to avoid annoying prompt
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;; from emacs (especially on Microsoft Windows)
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(prefer-coding-system 'utf-8)
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;; dotfile init
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(dotspacemacs/load-file)
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(dotspacemacs|call-func dotspacemacs/init "Calling dotfile init...")
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;; spacemacs init
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(switch-to-buffer (get-buffer-create spacemacs-buffer-name))
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(spacemacs-buffer/set-mode-line "")
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;; no welcome buffer
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(setq inhibit-startup-screen t)
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;; default theme
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(let ((default-theme (car dotspacemacs-themes)))
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(spacemacs/load-theme default-theme)
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;; used to prevent automatic deletion of used packages
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(setq spacemacs-used-theme-packages
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(delq nil (mapcar 'spacemacs//get-theme-package
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dotspacemacs-themes)))
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(setq-default spacemacs--cur-theme default-theme)
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(setq-default spacemacs--cycle-themes (cdr dotspacemacs-themes)))
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;; removes the GUI elements
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(when (and (fboundp 'tool-bar-mode) (not (eq tool-bar-mode -1)))
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(tool-bar-mode -1))
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(when (and (fboundp 'scroll-bar-mode) (not (eq scroll-bar-mode -1)))
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(scroll-bar-mode -1))
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;; tooltips in echo-aera
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(when (and (fboundp 'tooltip-mode) (not (eq tooltip-mode -1)))
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(tooltip-mode -1))
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(setq tooltip-use-echo-area t)
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(unless (eq window-system 'mac)
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(when (and (fboundp 'menu-bar-mode) (not (eq menu-bar-mode -1)))
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(menu-bar-mode -1)))
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;; for convenience and user support
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(unless (fboundp 'tool-bar-mode)
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(spacemacs-buffer/message (concat "No graphical support detected, you won't be"
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"able to launch a graphical instance of Emacs"
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"with this build.")))
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;; font
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(if (find-font (font-spec :name (car dotspacemacs-default-font)))
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(spacemacs/set-default-font dotspacemacs-default-font)
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(spacemacs-buffer/warning "Cannot find font \"%s\"!"
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(car dotspacemacs-default-font)))
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;; banner
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(spacemacs-buffer/insert-banner-and-buttons)
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(setq-default evil-want-C-u-scroll t)
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;; Initializing configuration from ~/.spacemacs
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(dotspacemacs|call-func dotspacemacs/init "Executing user init...")
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;; dash is required to prevent a package.el bug with f on 24.3.1
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(spacemacs/load-or-install-package 'dash t)
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;; bind-key is required by use-package
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(spacemacs/load-or-install-package 'bind-key t)
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(spacemacs/load-or-install-package 'use-package t)
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(setq use-package-verbose dotspacemacs-verbose-loading)
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;; inject use-package hooks for easy customization of
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;; stock package configuration
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(setq use-package-inject-hooks t)
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;; evil and evil-leader must be installed at the beginning of the
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;; boot sequence.
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;; Use C-u as scroll-up (must be set before actually loading evil)
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(spacemacs/load-or-install-package 'evil t)
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(spacemacs/load-or-install-package 'evil-leader t)
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;; check for new version
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(if dotspacemacs-mode-line-unicode-symbols
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(setq-default spacemacs-version-check-lighter "[⇪]"))
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(spacemacs/set-new-version-lighter-mode-line-faces)
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(add-hook 'after-init-hook 'spacemacs-buffer/goto-link-line)
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(spacemacs-mode))
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(defun spacemacs//get-package-directory (pkg)
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"Return the directory of PKG. Return nil if not found."
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(let ((elpa-dir (concat user-emacs-directory "elpa/")))
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(when (file-exists-p elpa-dir)
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(let ((dir (reduce (lambda (x y) (if x x y))
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(mapcar (lambda (x)
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(if (string-match
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(concat "/"
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(symbol-name pkg)
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"-[0-9]+") x) x))
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(directory-files elpa-dir 'full))
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:initial-value nil)))
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(if dir (file-name-as-directory dir))))))
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(defun spacemacs/load-or-install-package (pkg &optional log file-to-load)
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"Load PKG package. PKG will be installed if it is not already installed.
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Whenever the initial require fails the absolute path to the package
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directory is returned.
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If LOG is non-nil a message is displayed in spacemacs-mode buffer.
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FILE-TO-LOAD is an explicit file to load after the installation."
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(condition-case nil
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(require pkg)
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(error
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;; not installed, we try to initialize package.el only if required to
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;; precious seconds during boot time
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(require 'cl)
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(let ((pkg-elpa-dir (spacemacs//get-package-directory pkg)))
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(if pkg-elpa-dir
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(add-to-list 'load-path pkg-elpa-dir)
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;; install the package
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(when log
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(spacemacs-buffer/append
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(format "(Bootstrap) Installing %s...\n" pkg))
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(spacemacs//redisplay))
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(package-refresh-contents)
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(package-install pkg)
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(setq pkg-elpa-dir (spacemacs//get-package-directory pkg)))
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(require pkg nil 'noerror)
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(when file-to-load
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(load-file (concat pkg-elpa-dir file-to-load)))
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pkg-elpa-dir))))
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(defun spacemacs/maybe-install-dotfile ()
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"Install the dotfile if it does not exist."
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(unless (file-exists-p dotspacemacs-filepath)
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(spacemacs-buffer/set-mode-line "Dotfile wizard installer")
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(spacemacs//redisplay)
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(when (dotspacemacs/install 'with-wizard)
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(dotspacemacs/sync-configuration-layers)
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(spacemacs-buffer/append
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"The dotfile has been installed.\n"))))
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(defun spacemacs/display-and-copy-version ()
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"Echo the current spacemacs version and copy it."
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(interactive)
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(let ((msg (format "Spacemacs v.%s" spacemacs-version)))
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(message msg) (kill-new msg)))
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(defun display-startup-echo-area-message ()
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"Change the default welcome message of minibuffer to another one."
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(message "Spacemacs is ready."))
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(defun spacemacs/setup-after-init-hook ()
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"Add post init processing."
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(add-hook
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'after-init-hook
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(lambda ()
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;; Ultimate configuration decisions are given to the user who can defined
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;; them in his/her ~/.spacemacs file
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(dotspacemacs|call-func dotspacemacs/config "Calling dotfile config...")
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;; from jwiegley
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;; https://github.com/jwiegley/dot-emacs/blob/master/init.el
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(let ((elapsed (float-time
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(time-subtract (current-time) emacs-start-time))))
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(spacemacs-buffer/append
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(format "\n[%s packages loaded in %.3fs]\n"
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(configuration-layer//initialized-packages-count)
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elapsed)))
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;; Display useful lists of items
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(when dotspacemacs-startup-lists
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(spacemacs-buffer/insert-startupify-lists))
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(when configuration-layer-error-count
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;; ("%e" mode-line-front-space mode-line-mule-info mode-line-client mode-line-modified mode-line-remote mode-line-frame-identification mode-line-buffer-identification " " mode-line-position evil-mode-line-tag
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;; (vc-mode vc-mode)
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;; " " mode-line-modes mode-line-misc-info mode-line-end-spaces
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(spacemacs-buffer/set-mode-line
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(format (concat "%s error(s) at startup! "
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"Spacemacs may not be able to operate properly.")
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configuration-layer-error-count))
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(force-mode-line-update))
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(spacemacs/check-for-new-version spacemacs-version-check-interval))))
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(provide 'core-spacemacs)
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