#!/usr/bin/env bash
# Runs when AC unplugged
sysctl -q vm.swappiness=20
sysctl -q vm.dirty_ratio=20
sysctl -q vm.dirty_background_ratio=10
if command -v brightnessctl >/dev/null && [ -e /sys/class/backlight ]; then
  brightnessctl set 40% >/dev/null 2>&1 || true
fi
systemctl stop preload 2>/dev/null || true