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#!/bin/ash
# -*- coding: utf-8 -*-
# tarcopy <source_dir> <target_dir>
tarcopy() (
if ! [ -d "$1" ] || ! [ -d "$2" ]; then
echo "'$1' or '$2' is not a directory"
return 1
fi
cd "$1" || return 1
local filelist="$(mktemp)"
find . \! -type d > "$filelist"
if [ -s "$filelist" ]; then
tar -c -p -T "$filelist" | tar -xp -C "$2" || return 1
fi
rm -f -- "$filelist"
return 0
)
config_tgz="/etc/config.tgz"
[ -e "$config_tgz" ] || exit 1
# create list of overwritten files for debugging purposes
mkdir -p "${NEWROOT}/opt/openslx"
tar \
--list \
--verbose \
--file="$config_tgz" \
> "${NEWROOT}/opt/openslx/config.tgz.list" 2>&1
extract_dir="$(mktemp -d)"
if ! tar \
--extract \
--preserve-permissions \
--file="$config_tgz" \
--directory="$extract_dir"; then
echo "Failed to extract '$config_tgz' to '$extract_dir'."
exit 1
fi
# check SLX_LOCAL_CONFIGURATION
. "/etc/openslx"
if [ -n "$SLX_LOCAL_CONFIGURATION" ]; then
if ! [ -d "${extract_dir}/openslx-configs/${SLX_LOCAL_CONFIGURATION}" ]; then
echo "Ignoring missing SLX_LOCAL_CONFIGURATION in '$config_tgz'."
else
tarcopy \
"${extract_dir}/openslx-configs/${SLX_LOCAL_CONFIGURATION}" \
"${extract_dir}"
fi
fi
# always purge openslx-configs/
rm -rf "${extract_dir}/openslx-configs"
# finally copy the rest into stage4
if ! tarcopy "${extract_dir}" "$NEWROOT"; then
echo "'tarcopy' from '$extract_dir' to '$NEWROOT' failed."
exit 1
fi
exit 0
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