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6a65016 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | #!/usr/bin/env bash
set -euo pipefail
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
ARCHIVE_DIR="${ROOT_DIR}/data"
DATA_ROOT="${1:-${ROOT_DIR}/data}"
mkdir -p "${DATA_ROOT}"
declare -A selected_archives=()
while IFS= read -r archive; do
filename="$(basename "${archive}")"
base="${filename}"
if [[ "${filename}" == *.tar.zst ]]; then
base="${filename%.tar.zst}"
elif [[ "${filename}" == *.tar ]]; then
base="${filename%.tar}"
else
continue
fi
if [[ -n "${selected_archives[${base}]:-}" ]]; then
echo "found multiple archive variants for ${base} under ${ARCHIVE_DIR}; keep only one of .tar or .tar.zst" >&2
exit 1
fi
selected_archives["${base}"]="${archive}"
done < <(find "${ARCHIVE_DIR}" -maxdepth 1 -type f \( -name '*.tar' -o -name '*.tar.zst' \) | sort)
if [[ "${#selected_archives[@]}" -eq 0 ]]; then
echo "no archives found under ${ARCHIVE_DIR}" >&2
exit 1
fi
mapfile -t archive_bases < <(printf '%s\n' "${!selected_archives[@]}" | sort)
for base in "${archive_bases[@]}"; do
archive="${selected_archives[${base}]}"
echo "extracting ${archive}"
case "${archive}" in
*.tar.zst)
tar --zstd -xf "${archive}" -C "${DATA_ROOT}"
;;
*.tar)
tar -xf "${archive}" -C "${DATA_ROOT}"
;;
*)
echo "unsupported archive format: ${archive}" >&2
exit 1
;;
esac
done
echo "raw data extracted into ${DATA_ROOT}"
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