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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.
set -e
# Including common functions
[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh
# Setting static variables
DESCRIPTION="Cache chroot stage"
USAGE="${PROGRAM} {restore|save} [--force]"
# Processing arguments and configuration files
Init_config_data "${@}"
_ACTION="${1}"
shift
if ! In_list "chroot" ${LB_CACHE_STAGES}
then
exit 0
fi
# Set non-default stage file name
# Setting to default name with appended action name
STAGE_FILE="$(Stagefile_name "${_ACTION}")"
case "${_ACTION}" in
restore)
Echo_message "Restoring chroot stage from cache..."
# Checking stage file
Check_stagefile "${STAGE_FILE}"
if [ -d cache/chroot ]
then
# Acquire lock file
Acquire_lockfile
# Removing old chroot
rm -rf chroot
# Restoring old cache
cp -a cache/chroot chroot
# Creating stage file
Create_stagefile "${STAGE_FILE}"
exit 0
fi
;;
save)
Echo_message "Saving chroot stage to cache..."
# Checking stage file
Check_stagefile "${STAGE_FILE}"
# Acquire lock file
Acquire_lockfile
rm -rf cache/chroot
mkdir -p cache
cp -a chroot cache/chroot
# Creating stage file
Create_stagefile "${STAGE_FILE}"
;;
*)
Echo_error "Invalid action parameter: '${_ACTION}'"
Usage --fail
;;
esac
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