update zsh config

home/.zshrc.local

@@ -30,6 +30,42 @@ PATH="$PATH:$HOME/bin"
 ## Battery percentage
 alias batt="upower -i /org/freedesktop/UPower/devices/battery_BAT0|grep percentage|awk '{print $2}'"
 
+## Battery status (overwrites upstream function!)
+
+function batterylinux () {
+GRML_BATTERY_LEVEL=''
+local batteries bat capacity
+batteries=( /sys/class/power_supply/BAT*(N) )
+if (( $#batteries > 0 )) ; then
+    for bat in $batteries ; do
+        if [[ -e $bat/capacity ]]; then
+            capacity=$(< $bat/capacity)
+        else
+            typeset -F energy_full=$(< $bat/energy_full)
+            typeset -F energy_now=$(< $bat/energy_now)
+            typeset -i capacity=$(( 100 * $energy_now / $energy_full))
+        fi
+        case $(< $bat/status) in
+        Charging)
+            GRML_BATTERY_LEVEL+="%F{blue} ^%f"
+            ;;
+        Discharging)
+            if (( capacity < 20 )) ; then
+                GRML_BATTERY_LEVEL+="%F{red} !v%f"
+            else
+                GRML_BATTERY_LEVEL+="%F{yellow} v%f"
+            fi
+            ;;
+        *) # Full, Unknown
+            GRML_BATTERY_LEVEL+="%F{green} =%f"
+            ;;
+        esac
+        GRML_BATTERY_LEVEL+="${capacity}%%"
+    done
+fi
+}
+
+
 ## Upload to transfer.sh
 transfer() {
 	if [ $# -eq 0 ];then

home/.zshrc.pre

@@ -2,3 +2,5 @@
 
 source "$HOME/.homesick/repos/homeshick/homeshick.sh"
 fpath=($HOME/.homesick/repos/homeshick/completions $fpath)
+
+GRML_DISPLAY_BATTERY=1