Update scripts/unpack_data.sh

scripts/unpack_data.sh

@@ -8,11 +8,20 @@ DATA_ROOT="${1:-${ROOT_DIR}/data}"
 mkdir -p "${DATA_ROOT}"
 
 declare -A selected_archives=()
+declare -A selected_archive_parts=()
 
 while IFS= read -r archive; do
   filename="$(basename "${archive}")"
   base="${filename}"
-  if [[ "${filename}" == *.tar.zst ]]; then
+  if [[ "${filename}" == *.tar.zst.part-* ]]; then
+    base="${filename%%.part-*}.tar.zst"
+    selected_archive_parts["${base}"]+="${archive}"$'\n'
+    continue
+  elif [[ "${filename}" == *.tar.part-* ]]; then
+    base="${filename%%.part-*}.tar"
+    selected_archive_parts["${base}"]+="${archive}"$'\n'
+    continue
+  elif [[ "${filename}" == *.tar.zst ]]; then
     base="${filename%.tar.zst}"
   elif [[ "${filename}" == *.tar ]]; then
     base="${filename%.tar}"
@@ -25,26 +34,69 @@ while IFS= read -r archive; do
     exit 1
   fi
   selected_archives["${base}"]="${archive}"
-done < <(find "${ARCHIVE_DIR}" -maxdepth 1 -type f \( -name '*.tar' -o -name '*.tar.zst' \) | sort)
+done < <(find "${ARCHIVE_DIR}" -maxdepth 1 \( -type f -o -type l \) \( -name '*.tar' -o -name '*.tar.zst' \) | sort)
 
-if [[ "${#selected_archives[@]}" -eq 0 ]]; then
+while IFS= read -r archive; do
+  filename="$(basename "${archive}")"
+  if [[ "${filename}" == *.tar.zst.part-* ]]; then
+    base="${filename%%.part-*}.tar.zst"
+    selected_archive_parts["${base}"]+="${archive}"$'\n'
+  elif [[ "${filename}" == *.tar.part-* ]]; then
+    base="${filename%%.part-*}.tar"
+    selected_archive_parts["${base}"]+="${archive}"$'\n'
+  fi
+done < <(find "${ARCHIVE_DIR}" -maxdepth 1 \( -type f -o -type l \) \( -name '*.tar.zst.part-*' -o -name '*.tar.part-*' \) | sort)
+
+if [[ "${#selected_archives[@]}" -eq 0 && "${#selected_archive_parts[@]}" -eq 0 ]]; then
   echo "no archives found under ${ARCHIVE_DIR}" >&2
   exit 1
 fi
 
-mapfile -t archive_bases < <(printf '%s\n' "${!selected_archives[@]}" | sort)
+mapfile -t archive_bases < <(
+  {
+    printf '%s\n' "${!selected_archives[@]}"
+    printf '%s\n' "${!selected_archive_parts[@]}"
+  } | awk 'NF' | sort -u
+)
 for base in "${archive_bases[@]}"; do
-  archive="${selected_archives[${base}]}"
-  echo "extracting ${archive}"
-  case "${archive}" in
+  archive="${selected_archives[${base}]:-}"
+  parts_blob="${selected_archive_parts[${base}]:-}"
+  if [[ -n "${archive}" && -n "${parts_blob}" ]]; then
+    echo "found both full archive and split parts for ${base} under ${ARCHIVE_DIR}; keep only one form" >&2
+    exit 1
+  fi
+  if [[ -n "${archive}" ]]; then
+    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: ${archive}" >&2
+        exit 1
+        ;;
+    esac
+    continue
+  fi
+
+  if [[ -z "${parts_blob}" ]]; then
+    echo "missing archive content for ${base}" >&2
+    exit 1
+  fi
+  mapfile -t parts < <(printf '%s' "${parts_blob}" | awk 'NF' | sort)
+  echo "extracting ${base} from ${#parts[@]} parts"
+  case "${base}" in
     *.tar.zst)
-      tar --zstd -xf "${archive}" -C "${DATA_ROOT}"
+      cat "${parts[@]}" | tar --zstd -xf - -C "${DATA_ROOT}"
       ;;
     *.tar)
-      tar -xf "${archive}" -C "${DATA_ROOT}"
+      cat "${parts[@]}" | tar -xf - -C "${DATA_ROOT}"
       ;;
     *)
-      echo "unsupported archive format: ${archive}" >&2
+      echo "unsupported split archive format: ${base}" >&2
       exit 1
       ;;
   esac