#!/bin/bash

# omarchy:summary=Returns true if a battery is present on the system.

# Not every battery is called BAT*: Apple Silicon reports macsmc-battery and
# some Framework and Chromebook firmware CMB0, so decide by type, not by name.
power_supply_path="${OMARCHY_POWER_SUPPLY_PATH:-/sys/class/power_supply}"

for bat in "$power_supply_path"/*; do
  [[ -r $bat/present && $(<"$bat/present") == "1" ]] || continue
  [[ -r $bat/type && $(<"$bat/type") == "Battery" ]] || continue
  # A wireless mouse or keyboard registers a Battery too, scoped Device. The
  # one that powers the machine is scoped System, or unscoped on older drivers.
  [[ -r $bat/scope && $(<"$bat/scope") == "Device" ]] && continue
  exit 0
done

exit 1