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#!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2016-2020 The Debian Live team
## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program 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.
Restore_package_cache ()
{
local DIRECTORY="cache/packages.${1}"
if [ "${LB_CACHE}" = "true" ] && [ "${LB_CACHE_PACKAGES}" = "true" ]
then
if [ -e "${DIRECTORY}" ]
then
# Restore old cache
if [ "$(stat --printf %d ${DIRECTORY}/)" = "$(stat --printf %d chroot/var/cache/apt/archives/)" ]
then
# with hardlinks
find "${DIRECTORY}" -name "*.deb" -print0 | xargs -0 --no-run-if-empty cp -fl -t chroot/var/cache/apt/archives
else
# without hardlinks
find "${DIRECTORY}" -name "*.deb" -print0 | xargs -0 --no-run-if-empty cp -t chroot/var/cache/apt/archives
fi
fi
fi
}
Save_package_cache ()
{
local DIRECTORY="cache/packages.${1}"
if [ "${LB_CACHE}" = "true" ] && [ "${LB_CACHE_PACKAGES}" = "true" ]
then
# Cleaning current cache
# In case of interrupted or incomplete builds, this may return an error,
# but we still do want to save the cache.
Chroot chroot "apt-get autoclean" || true
if ls chroot/var/cache/apt/archives/*.deb > /dev/null 2>&1
then
# Creating cache directory
mkdir -p "${DIRECTORY}"
# Saving new cache
local PACKAGE
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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