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#!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2006-2012 Daniel Baumann <daniel@debian.org>
##
## live-build 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
# Including common functions
. "${LB_BASE:-/usr/share/live/build}"/scripts/build.sh
# Setting static variables
DESCRIPTION="$(Echo 'cache chroot stage')"
HELP=""
USAGE="${PROGRAM} [--force]"
Arguments "${@}"
# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults
for STAGE in ${LB_CACHE_STAGES}
do
if [ "${STAGE}" = "chroot" ]
then
case "${1}" in
restore)
Echo_message "Restoring chroot stage from cache..."
# Checking stage file
Check_stagefile .build/chroot_cache.restore
if [ -d cache/stages_chroot ]
then
# Checking lock file
Check_lockfile .lock
# Creating lock file
Create_lockfile .lock
# Removing old chroot
rm -rf chroot
# Restoring old cache
${LB_ROOT_COMMAND} cp -a cache/stages_chroot chroot
if [ -n "${LB_ROOT_COMMAND}" ]
then
${LB_ROOT_COMMAND} chown -R $(whoami):$(whoami) chroot
fi
# Creating stage file
Create_stagefile .build/chroot_cache.restore
exit 0
fi
;;
save)
Echo_message "Saving chroot stage to cache..."
# Checking stage file
Check_stagefile .build/chroot_cache.save
# Checking lock file
Check_lockfile .lock
# Creating lock file
Create_lockfile .lock
rm -rf cache/stages_chroot
mkdir -p cache
${LB_ROOT_COMMAND} cp -a chroot cache/stages_chroot
if [ -n "${LB_ROOT_COMMAND}" ]
then
${LB_ROOT_COMMAND} chown -R $(whoami):$(whoami) cache/stages_chroot
fi
# Creating stage file
Create_stagefile .build/chroot_cache.save
;;
esac
fi
done
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