blob: dc8d5ea5e7cffea13391251a984aba392f0e436e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#!/usr/bin/env bash
# battery_monitor
# Intended to be run via .xinitrc
# - Exit automatically if no battery (desktop)
# - When below 15%, warn user of low battery
# - When below 10%, suspend within 10 seconds if not charging
#
# Craig Jennings <c@cjennings.net>
# check if acpi is installed
if ! command -v acpi &> /dev/null; then
echo "acpi is not installed. Cannot continue. Exiting...."
exit 1
fi
# exit if a battery exists
if [ ! -d "/sys/class/power_supply/BAT0" ] && [ ! -d "/sys/class/power_supply/BAT1" ]; then
echo "Acpi is installed but no battery detected. Assuming this is a desktop and exiting...."
exit 1
fi
while true; do
# Get the current battery percentage using acpi
battery_percentage=$(acpi -b | awk -F ', ' '{print $2}' | tr -d '%')
# battery_percentage=$(acpi -b | awk -F ', ' '{print $2}' | sed 's/%//')
# When below 10%, suspend within 10 seconds if not charging
if [ "$battery_percentage" -lt 11 ] && ! acpi -a | grep -q "on-line" ; then
# Send a notification of sleeping in 10 seconds
notify-send -u critical "Critical Battery" "Battery is at $battery_percentage%. System entering sleep in 30 seconds."
# sleep for 10 seconds, then abort if charging
sleep 30
# Check if the system is charging (AC adapter connected)
if acpi -a | grep -q "on-line"; then
notify-send "Charging" "The system is now charging. No action taken."
else
notify-send -u critical "Critical Battery" "Putting the system to sleep."
sudo systemctl suspend
fi
fi
# When below 15%, warn user
if [ "$battery_percentage" -lt 15 ] && ! acpi -a | grep -q "on-line" ; then
# Send a notification using notify-send and dunst
notify-send -u critical "Low Battery" "Battery is at $battery_percentage%. System will automatically sleep at 10%."
fi
# Sleep for 5 minutes before checking again
sleep 300
done
|
