40 lines
1018 B
Bash
40 lines
1018 B
Bash
|
#!/usr/bin/env zsh
|
||
|
|
|
||
|
|
if [[ "$(uname)" = 'Linux' ]]; then
|
||
|
|
let charge_full="$(cat '/sys/class/power_supply/BAT0/charge_full')."
|
||
|
|
function get_battery_percent {
|
||
|
|
let charge_now="$(cat '/sys/class/power_supply/BAT0/charge_now')."
|
||
|
|
printf '%.0f' "$((charge_now / charge_full * 100))"
|
||
|
|
}
|
||
|
|
|
||
|
|
function is_adapted_connected {
|
||
|
|
let connected="$(cat /sys/class/power_supply/ADP1/online)"
|
||
|
|
if ((${connected} == 1)); then
|
||
|
|
echo true
|
||
|
|
else
|
||
|
|
echo false
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
# Linux ends here
|
||
|
|
else
|
||
|
|
echo "${0}: error: unknown os: \"$(uname)\"" >&2
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
function send_battery_warning {
|
||
|
|
notify-send -t 0 "Low Battery" "Battery is at ${1}%!"
|
||
|
|
}
|
||
|
|
|
||
|
|
local did_notify=false
|
||
|
|
|
||
|
|
while true; do
|
||
|
|
let battery_percent="$(get_battery_percent)"
|
||
|
|
if ((${battery_percent} > 10)) || "$(is_adapted_connected)"; then
|
||
|
|
did_notify=false
|
||
|
|
elif ! ${did_notify}; then
|
||
|
|
did_notify=true
|
||
|
|
send_battery_warning ${battery_percent}
|
||
|
|
fi
|
||
|
|
sleep 10
|
||
|
|
done
|