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#!/bin/sh
# cache.sh - manage package cache
# Copyright (C) 2006-2008 Daniel Baumann <daniel@debian.org>
#
# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
# This is free software, and you are welcome to redistribute it
# under certain conditions; see COPYING for details.
set -e
Restore_cache ()
{
DIRECTORY="${1}"
if [ "${LH_CACHE}" = "enabled" ] && [ "${LH_CACHE_PACKAGES}" = "enabled" ]
then
if [ -d "${DIRECTORY}" ]
then
# Restore old cache
if [ "$(stat --printf %d ${DIRECTORY})" = "$(stat --printf %d chroot/var/cache/apt/archives)" ]
then
# with hardlinks
cp -fl "${DIRECTORY}"/*.deb chroot/var/cache/apt/archives
else
# without hardlinks
cp "${DIRECTORY}"/*.deb chroot/var/cache/apt/archives
fi
fi
fi
}
Save_cache ()
{
DIRECTORY="${1}"
if [ "${LH_CACHE}" = "enabled" ] && [ "${LH_CACHE_PACKAGES}" = "enabled" ]
then
# Cleaning current cache
Chroot chroot "apt-get autoclean"
if ls chroot/var/cache/apt/archives/*.deb > /dev/null 2>&1
then
# Creating cache directory
mkdir -p "${DIRECTORY}"
# Saving new cache
for PACKAGE in chroot/var/cache/apt/archives/*.deb
do
if [ -e "${DIRECTORY}"/"$(basename ${PACKAGE})" ]
then
rm -f "${PACKAGE}"
else
mv "${PACKAGE}" "${DIRECTORY}"
fi
done
fi
else
# Purging current cache
rm -f chroot/var/cache/apt/archives/*.deb
fi
}
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