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#!/usr/bin/env bash
# -*- coding: utf-8 -*-
type emergency_shell >/dev/null 2>&1 || source /lib/dracut-lib.sh
# tarcopy <source_dir> <target_dir>
tarcopy() {
[ -d "$1" -a -d "$2" ] || return 1
cd "$1"
local filelist="$(mktemp)"
find . \! -type d > "$filelist"
tar -c -p -T "$filelist" | tar -xp -C "$2"
rm -f -- "$filelist"
cd - &>/dev/null
}
unpack_config_tgz() {
local config_tgz="/etc/config.tgz"
[ -e "$config_tgz" ] || return 1
local extract_dir="$(mktemp -d)"
tar --extract --preserve-permissions \
--file="/etc/config.tgz" \
--directory="$extract_dir"
if [ "$?" -ne 0 ]; then
warn "Failed to extract '$config_tgz' to '$extract_dir'."
return 1
fi
# check SLX_LOCAL_CONFIGURATION
source "/etc/openslx"
if [ -n "$SLX_LOCAL_CONFIGURATION" ]; then
if [ ! -d "${extract_dir}/openslx-configs/${SLX_LOCAL_CONFIGURATION}" ]; then
logging.warn "Ignoring missing SLX_LOCAL_CONFIGURATION in '/etc/config.tgz'."
else
tarcopy \
"${temporary_extract_directory}/openslx-configs/${SLX_LOCAL_CONFIGURATION}" \
"${temporary_extract_directory}"
fi
fi
# always purge openslx-configs/
rm -rf "${temporary_extract_directory}/openslx-configs"
# finally copy the rest into stage4
if ! tarcopy "${temporary_extract_directory}" "$NEWROOT"; then
warn "'tarcopy' from '$temporary_extract_directory' to '$NEWROOT' failed."
fi
}
unpack_config_tgz
:
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