#!/bin/bash

if [[ ${DIB_DEBUG_TRACE:-0} -gt 0 ]]; then
    set -x
fi
set -eu
set -o pipefail

[[ -n "${TMP_MOUNT_PATH}" ]]

sudo umount -f "${TMP_MOUNT_PATH}"/usr/portage/distfiles
sudo umount -f "${TMP_MOUNT_PATH}"/usr/portage/packages
sudo umount -f "${TMP_MOUNT_PATH}"/usr/portage

sudo rm -Rf "${TMP_MOUNT_PATH}"/root/.ccache/* "${TMP_MOUNT_PATH}"/usr/src/* "${TMP_MOUNT_PATH}"/var/cache/edb/dep/* "${TMP_MOUNT_PATH}"/var/cache/genkernel/* "${TMP_MOUNT_PATH}"/var/empty/* "${TMP_MOUNT_PATH}"/var/state/* "${TMP_MOUNT_PATH}"/var/tmp/*
sudo rm -Rf "${TMP_MOUNT_PATH}"/etc/*- "${TMP_MOUNT_PATH}"/etc/*.old "${TMP_MOUNT_PATH}"/etc/ssh/ssh_host_* "${TMP_MOUNT_PATH}"/root/.*history "${TMP_MOUNT_PATH}"/root/.lesshst "${TMP_MOUNT_PATH}"/root/.ssh/known_hosts "${TMP_MOUNT_PATH}"/root/.viminfo "${TMP_MOUNT_PATH}"/usr/share/genkernel "${TMP_MOUNT_PATH}"/usr/lib64/python*/site-packages/gentoolkit/test/eclean/testdistfiles.tar.gz
if [[ "${GENTOO_PORTAGE_CLEANUP}" != "False" ]]; then
    # remove portage files
    sudo rm -Rf "${TMP_MOUNT_PATH}"/usr/portage/* "${TMP_MOUNT_PATH}"/usr/portage/.git "${TMP_MOUNT_PATH}"/var/cache/portage/distfiles
fi

# shrink a bit
for i in $(sudo -- find "${TMP_MOUNT_PATH}"/var/log -type f); do sudo -- sh -c "echo > $i"; done
sudo find "${TMP_MOUNT_PATH}"/usr/share/man/ -mindepth 1  -maxdepth 1 -path "${TMP_MOUNT_PATH}/usr/share/man/man*" -prune -o -exec rm -rf {} \;

# make it so we don't have to reinstall grub
if [[ -a ${TMP_MOUNT_PATH}/usr/sbin/grub2-install ]]; then
    sudo mkdir -p "${TMP_MOUNT_PATH}"/tmp/grub
    sudo touch "${TMP_MOUNT_PATH}"/tmp/grub/install
fi

# systemd id
if [[ "${GENTOO_PROFILE}" == *"systemd"* ]]; then
    sudo cp /dev/null "${TMP_MOUNT_PATH}"/etc/machine-id
fi