2015-01-27 03:51:47 +00:00
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;;; core-emacs-backports.el --- Spacemacs Core File
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2015-01-14 04:12:56 +00:00
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;;
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2021-03-22 20:11:29 +00:00
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;; Copyright (c) 2012-2021 Sylvain Benner & Contributors
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2015-01-14 04:12:56 +00:00
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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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2021-03-24 03:31:44 +00:00
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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2015-01-14 04:12:56 +00:00
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2016-06-21 01:50:30 +00:00
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;; nothing for now
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2015-09-24 13:36:54 +00:00
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2015-01-27 03:51:47 +00:00
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(provide 'core-emacs-backports)
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2018-01-13 03:37:04 +00:00
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2019-08-19 18:25:22 +00:00
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(when (and (version< "25" emacs-version)
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(version< emacs-version "26.3"))
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2019-08-22 19:11:01 +00:00
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;; Hack to prevent TLS error with Emacs 26.1 and 26.2 and gnutls 3.6.4 and
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;; above see https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34341
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(message (concat "Testing if your Emacs version %s and GnuTLS version "
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"need the TLS work-around...")
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emacs-version)
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(message "More info at https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34341")
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2019-09-15 02:15:53 +00:00
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(unless (<= libgnutls-version 30603)
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(message (concat "Your Emacs version %s and GnutTLS version %s "
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"need the work-around, applying it...")
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emacs-version libgnutls-version)
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(setq gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3")))
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2019-08-21 02:34:54 +00:00
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2018-01-13 03:37:04 +00:00
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(when (version< emacs-version "26")
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;; backport fix for macOS battery status
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;; https://github.com/emacs-mirror/emacs/commit/25dca60d5e3b2447352b7c51496baefb4ccd579d#diff-d1b82d59371a01a39cca34f1f64c3447
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(with-eval-after-load 'battery
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(defun battery-pmset ()
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"Get battery status information using `pmset'.
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The following %-sequences are provided:
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%L Power source (verbose)
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%B Battery status (verbose)
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%b Battery status, empty means high, `-' means low,
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`!' means critical, and `+' means charging
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%p Battery load percentage
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%h Remaining time in hours
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%m Remaining time in minutes
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%t Remaining time in the form `h:min'"
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(let (power-source load-percentage battery-status battery-status-symbol
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remaining-time hours minutes)
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(with-temp-buffer
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(ignore-errors (call-process "pmset" nil t nil "-g" "ps"))
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(goto-char (point-min))
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(when (re-search-forward "\\(?:Currentl?y\\|Now\\) drawing from '\\(AC\\|Battery\\) Power'" nil t)
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(setq power-source (match-string 1))
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(when (re-search-forward "^ -InternalBattery-0\\([ \t]+(id=[0-9]+)\\)*[ \t]+" nil t)
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(when (looking-at "\\([0-9]\\{1,3\\}\\)%")
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(setq load-percentage (match-string 1))
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(goto-char (match-end 0))
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(cond ((looking-at "; charging")
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(setq battery-status "charging"
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battery-status-symbol "+"))
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((< (string-to-number load-percentage) battery-load-critical)
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(setq battery-status "critical"
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battery-status-symbol "!"))
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((< (string-to-number load-percentage) battery-load-low)
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(setq battery-status "low"
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battery-status-symbol "-"))
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(t
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(setq battery-status "high"
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battery-status-symbol "")))
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(when (re-search-forward "\\(\\([0-9]+\\):\\([0-9]+\\)\\) remaining" nil t)
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(setq remaining-time (match-string 1))
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(let ((h (string-to-number (match-string 2)))
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(m (string-to-number (match-string 3))))
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(setq hours (number-to-string (+ h (if (< m 30) 0 1)))
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minutes (number-to-string (+ (* h 60) m)))))))))
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(list (cons ?L (or power-source "N/A"))
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(cons ?p (or load-percentage "N/A"))
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(cons ?B (or battery-status "N/A"))
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(cons ?b (or battery-status-symbol ""))
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(cons ?h (or hours "N/A"))
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(cons ?m (or minutes "N/A"))
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(cons ?t (or remaining-time "N/A")))))))
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