48 lines
1.6 KiB
Bash
48 lines
1.6 KiB
Bash
#!/usr/bin/env bash
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# Background loop to monitor battery status and trigger dunstify on low power.
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while true; do
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if [ ! -d /sys/class/power_supply/BAT0 ]; then
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sleep 60
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continue
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fi
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STATUS=$(cat /sys/class/power_supply/BAT0/status 2>/dev/null)
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# Using the native kernel capacity file instead of relying on ibam
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CAPACITY=$(cat /sys/class/power_supply/BAT0/capacity 2>/dev/null)
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if [ -z "$CAPACITY" ]; then
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sleep 60
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continue
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fi
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# Trigger notification at 5% or below
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if [ "$STATUS" == "Discharging" ] && [ "$CAPACITY" -le 5 ]; then
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if [ ! -f "/run/user/${UID}/battery_low" ]; then
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logger "Low power! Triggering notification...."
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# -p returns the ID so we can close it later
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NOTIF_ID=$(dunstify --urgency=critical \
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-p \
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--icon=/usr/share/icons/breeze-dark/emblems/16/emblem-warning.svg \
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"LOW BATTERY!" \
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"Battery level is at ${CAPACITY}%, plug power quick!")
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echo "$NOTIF_ID" > "/run/user/${UID}/battery_low"
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fi
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# Clear the notification if we plug back in and rise above 5%
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elif [ "$STATUS" == "Charging" ] && [ "$CAPACITY" -gt 5 ]; then
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if [ -f "/run/user/${UID}/battery_low" ]; then
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logger "Power reconnected and above 5 percent, clearing notification state."
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NOTIF_ID=$(cat "/run/user/${UID}/battery_low")
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if [ -n "$NOTIF_ID" ]; then
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dunstify --close=$NOTIF_ID
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fi
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rm -f "/run/user/${UID}/battery_low"
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fi
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fi
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sleep 60
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done
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