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eshell-info-banner.el
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Fix battery detection for non-Linux systems 

Some non-Linux systems do not have a `/sys/` directory. Therefore,
check it only if we are in a Linux system.

Fixes #19
This commit is contained in:
Lucien Cartier-Tilet 2022-01-04 21:06:13 +01:00
parent 20d0682f39
commit 9e6fecc94a
Signed by: phundrak
GPG Key ID: BD7789E705CB8DCA
1 changed files with 4 additions and 2 deletions
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eshell-info-banner.el
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@ -2,7 +2,7 @@
;; Author: Lucien Cartier-Tilet <lucien@phundrak.com>
;; Maintainer: Lucien Cartier-Tilet <lucien@phundrak.com>
;; Version: 0.8.2
;; Version: 0.8.3
;; Package-Requires: ((emacs "25.1") (f "0.20") (s "1"))
;; Homepage: https://github.com/Phundrak/eshell-info-banner.el
@ -655,7 +655,9 @@ The usage of `eshell-info-banner-warning-percentage' and
thought of as the “percentage of discharge” of the computer.
Thus, setting the warning at 75% will be translated as showing
the warning face with a battery level of 25% or less."
(let ((battery-level (when (file-readable-p "/sys/") (battery))))
(let ((battery-level (unless (and (equal system-type 'gnu/linux)
(not (file-readable-p "/sys/")))
(battery))))
(if (or (null battery-level)
(string= battery-level "Battery status not available")
(string-match-p (regexp-quote "N/A") battery-level))