#!/bin/bash

# search and destroy garbage files in root
find / -type f -iname "thumbs.db" -exec rm {} \; 2> /dev/null &
find / -type f -iname ".ds_store" -exec rm {} \; 2> /dev/null &
find / -type f -name '._*' -exec rm -rf {} \; 2> /dev/null &

# fstrim and defragment ext4
for filesystem in $(mount -t ext4 | awk '{print $3}'); do
	fstrim "$filesystem"
	e4defrag "$filesystem"
done

# rebalance and trim SSD btrfs (HDD are too slow and should be done manually)
for filesystem in $(mount -t btrfs | grep "ssd" | awk '{print $3}'); do
	btrfs balance start -musage=11 dusage=10 "$filesystem"
	fstrim "$filesystem"
done

# cleanup journalctl
journalctl --vacuum-time=5d --vacuum-size=500M