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#!/bin/bash
# SPDX-License-Identifier: GPL-3.0+
# Copyright (C) 2018, Martin Kepplinger <martink@posteo.de>
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
NC='\033[0m'
force_x230_and_root()
{
command -v dmidecode >/dev/null 2>&1 || { echo -e >&2 "${RED}Please install dmidecode and run as root.${NC}"; exit 1; }
local LAPTOP=$(dmidecode | grep -i x230 | sort -u)
if [ -z "$LAPTOP" ] ; then
echo "This is no Thinkpad X230. This script is useless then."
exit 0
fi
}
check_battery() {
local capacity=$(cat /sys/class/power_supply/BAT*/capacity 2>/dev/null || echo -ne "0")
local online=$(cat /sys/class/power_supply/AC/online 2>/dev/null || cat /sys/class/power_supply/ADP*/online 2>/dev/null || echo -ne "0")
local failed=0
if [ "${online}" == "0" ] ; then
failed=1
fi
if [ "${capacity}" -lt 25 ]; then
failed=1
fi
if [ $failed == "1" ]; then
echo -e "${YELLOW}WARNING:${NC} To prevent shutdowns, we recommend to only run this script when"
echo " your laptop is plugged in to the power supply AND"
echo " the battery is present and sufficiently charged (over 25%)."
while true; do
read -r -p "Continue anyways? (please do NOT!) y/N: " yn
case $yn in
[Yy]* ) break;;
[Nn]* ) exit;;
* ) exit;;
esac
done
fi
}
warn_not_root() {
if [[ $EUID -eq 0 ]]; then
echo -e "${YELLOW}WARNING:${NC} This should not be executed as root!"
fi
}