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45 lines
1.3 KiB
45 lines
1.3 KiB
#!/bin/bash
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# SPDX-License-Identifier: GPL-3.0+
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# Copyright (C) 2018, Martin Kepplinger <martink@posteo.de>
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[0;33m'
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NC='\033[0m'
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check_x230_root()
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{
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command -v dmidecode >/dev/null 2>&1 || { echo -e >&2 "${RED}Please install dmidecode and run as root.${NC}"; exit 1; }
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local LAPTOP=$(dmidecode | grep -i x230 | sort -u)
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if [ -z "$LAPTOP" ] ; then
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echo "This is no Thinkpad X230. This script is useless then."
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exit 0
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fi
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}
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check_battery() {
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local capacity=$(cat /sys/class/power_supply/BAT*/capacity 2>/dev/null || echo -ne "0")
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local online=$(cat /sys/class/power_supply/AC/online 2>/dev/null || cat /sys/class/power_supply/ADP*/online 2>/dev/null || echo -ne "0")
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local failed=0
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if [ "${online}" == "0" ] ; then
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failed=1
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fi
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if [ "${capacity}" -lt 25 ]; then
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failed=1
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fi
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if [ $failed == "1" ]; then
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echo -e "${YELLOW}WARNING:${NC} To prevent shutdowns, we recommend to only run this script when"
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echo " your laptop is plugged in to the power supply AND"
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echo " the battery is present and sufficiently charged (over 25%)."
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while true; do
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read -r -p "Continue anyways? (please do NOT!) y/N: " yn
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case $yn in
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[Yy]* ) break;;
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[Nn]* ) exit;;
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* ) exit;;
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esac
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done
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fi
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}
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