Add output when battery is charging

roles/i3/files/battery

@@ -1,11 +1,13 @@
 #!/bin/bash
 
 icon=""
-battery="$(upower -d | awk '/on-battery/ {print $2}')"
+
 percent="$(upower -d | awk '/percentage/ {print $2}' | head -n 1)"
 remaining="$(upower -d | awk -F: '/time to empty/ {print $2}' | awk '{print $1,$2}' | head -n 1)"
 
-if [ "$battery" = 'yes' ]; then
+if upower -d | grep '\bcharging\b' >/dev/null 2>&1; then
+    echo "${icon} ${percent}"
+elif upower -d | grep '\bdischarging\b' >/dev/null 2>&1; then
     if [ -n "$remaining" ] && [ "$(echo "$percent" | awk -F% '{print $1}')" -lt "$THRESHOLD" ]; then
         notify-send "CHARGE BATTERY"
         for file in /dev/pts/*; do