#!/bin/bash
set -e

# Returns true if a battery is present on the system.
# Used by the battery monitor and other battery-related checks.

for bat in /sys/class/power_supply/BAT*; do
  [[ -r $bat/present ]] &&
  [[ $(cat $bat/present) == "1" ]] &&
  [[ $(cat $bat/type) == "Battery" ]] &&
  exit 0
done

exit 1