#!/usr/bin/env bash
# Runs when AC plugged in
sysctl -q vm.swappiness=10
sysctl -q vm.dirty_ratio=10
sysctl -q vm.dirty_background_ratio=5
# Brightness up (only if logged-in graphical session)
if command -v brightnessctl >/dev/null && [ -e /sys/class/backlight ]; then
  brightnessctl set 80% >/dev/null 2>&1 || true
fi
systemctl start preload 2>/dev/null || true