Fix battery empty remaining (), add git aliases

.scripts/wm/battery.sh

@@ -4,6 +4,13 @@ BAT_INFO=${BLOCK_INSTANCE:-"$(acpi -b | grep ': [^Unknown]')"}
 
 CAPACITY=$(echo $BAT_INFO | awk '{ print int($4) }')
 TIME="$(echo $BAT_INFO | awk '{ print substr($5, 0, length($5) - 3) }')"
+CHARACTER=":"
+
+if [ "$TIME" != "" ] && [ "${TIME#*$CHARACTER}" != "$TIME" ]; then
+	TIME=" ($TIME)"
+else
+	TIME=""
+fi
 
 if [ "$(echo $BAT_INFO | awk '{ print $6 }')" = "remaining" ]; then
 	if [ "$CAPACITY" -ge "80" ]; then
@@ -21,6 +28,6 @@ else
 	ICON=""
 fi
 
-echo "$ICON $CAPACITY% ($TIME)"
+echo "$ICON $CAPACITY%$TIME"
 echo "$ICON $CAPACITY%"
 echo "#FFFFFF"