#!/usr/bin/env bash
#
# Author: Dmitry Razumov <asmeron@ublinux.com>
# Copyright (c) 2021-2025 UBLinux <support@ublinux.com>
#

ENABLED=yes
[[ ${ENABLED} == "yes" ]] || exit 0

PATH=/usr/lib/ublinux/scripts:$PATH

# swapoff -a >/dev/null 2>&1

# umount network fs
grep -E "[ ]nfs[ ]|[ ]cifs[ ]" /proc/mounts | awk '{print $2}' | grep -Ev '^/mnt/live|^/memory/' | xargs umount -lf

# umount any enc files from /media /mnt
find /dev/mapper/* | sed s=.*/== | grep -v ^control$ | while read i ;do
    cryptsetup status ${i} 2>/dev/null | grep "[[:space:]]loop:[[:space:]]" | grep -v /mnt/live/ | grep -Eq "[[:space:]]/media/|[[:space:]]/mnt/" && umount /dev/mapper/${i} && cryptsetup close ${i}
done

# umount any loops from /media /mnt
losetup -a | tr -d :\)\( | grep -E " /media/| /mnt/" | grep -v " /mnt/live" | awk '{print $1}' | xargs umount -d >/dev/null 2>&1

# then free any /media
grep -E " /media/| /mnt/" /proc/mounts | awk '{print $2}' | grep -v ^/mnt/live | sort -r | xargs umount >/dev/null 2>&1

# umount any fs from /memory
grep -E " /memory.*" /proc/mounts | awk '{print $2}' | sed '1!G;h;$!d' | xargs umount -l >/dev/null 2>&1

# umount any aufs from /media /mnt
grep -E " /mnt/.* aufs | /media/.* aufs " /proc/mounts | awk '{print $2}' | xargs umount -l >/dev/null 2>&1