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Add low battery notification #1445

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Add low battery notification #1445

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7 changes: 7 additions & 0 deletions .local/bin/statusbar/sb-battery
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,9 @@ case $BLOCK_BUTTON in
6) setsid -f "$TERMINAL" -e "$EDITOR" "$0" ;;
esac

# Flag file to track if low battery notification has been sent
NOTIFY_FLAG="/tmp/low_battery_notified"

# Loop through all attached batteries and format the info
for battery in /sys/class/power_supply/BAT?*; do
# If non-first battery, print a space separator.
Expand All @@ -34,4 +37,8 @@ for battery in /sys/class/power_supply/BAT?*; do
[ "$status" = "🔋" ] && [ "$capacity" -le 25 ] && warn="❗"
# Prints the info
printf "%s%s%d%%" "$status" "$warn" "$capacity"; unset warn
# Remove the flag file if the status changes from discharging to something else
[ "$status" != "🔋" ] && rm -f "$NOTIFY_FLAG"
# Send critical notification if battery is low and discharging
[ -f "$NOTIFY_FLAG" ] || { [ "$status" = "🔋" ] && [ "$capacity" -le 25 ] && notify-send -u critical "Battery Warning" "🔋❗ Battery is low: $capacity%" && touch "$NOTIFY_FLAG"; }
done && printf "\\n"