Reorganized

dot_config/flake/home/waybar/mechabar/scripts/battery-state.sh

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+#!/usr/bin/env bash
+
+# Original script by Eric Murphy
+# https://github.com/ericmurphyxyz/dotfiles/blob/master/.local/bin/battery-alert
+#
+# Modified by Jesse Mirabel (@sejjy)
+# https://github.com/sejjy/mechabar
+
+# This script sends a notification when the battery is charging or discharging.
+# icon theme used: tela-circle-icon-theme-dracula
+#
+# (see the bottom of the script for more information)
+
+export DBUS_SESSION_BUS_ADDRESS="unix:path=/run/user/1000/bus"
+
+# get the battery state from the udev rule
+BATTERY_STATE=$1
+
+# get the battery percentage using upower (waybar dependency)
+BAT_PATH=$(upower -e | grep BAT | head -n 1)
+BATTERY_LEVEL=$(upower -i "$BAT_PATH" | awk '/percentage:/ {print $2}' | tr -d '%')
+
+# set the battery charging state and icon
+case "$BATTERY_STATE" in
+"charging")
+  BATTERY_CHARGING="Charging"
+  BATTERY_ICON="090-charging"
+  ;;
+"discharging")
+  BATTERY_CHARGING="Disharging"
+  BATTERY_ICON="090"
+  ;;
+esac
+
+# send the notification
+notify-send -a "state" "Battery ${BATTERY_CHARGING} (${BATTERY_LEVEL}%)" -u normal -i "battery-${BATTERY_ICON}" -r 9991
+
+# udev rule
+# Add the following to /etc/udev/rules.d/60-power.rules:
+
+# ACTION=="change", SUBSYSTEM=="power_supply", ATTR{type}=="Mains", ATTR{online}=="0", ENV{DISPLAY}=":0", RUN+="/usr/bin/su <username> -c '$HOME/.config/waybar/scripts/battery-state.sh discharging'"
+# ACTION=="change", SUBSYSTEM=="power_supply", ATTR{type}=="Mains", ATTR{online}=="1", ENV{DISPLAY}=":0", RUN+="/usr/bin/su <username> -c '$HOME/.config/waybar/scripts/battery-state.sh charging'"
+
+# the number 60 in the udev rule can be changed to any number between 0 and 99.
+# the lower the number, the higher the priority.
+#
+# $USER does not work, so you have to replace "<username>" with your username.
+
+# reload udev rules by running the following command:
+# sudo udevadm control --reload-rules