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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
- }
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