File size: 1,248 Bytes
427b327 | 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 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | #!/usr/bin/env bash
set -Eeuo pipefail
# Usage:
#
# JOBS=8 ./restore.sh \
# /path/to/downloaded/shards \
# /data/aic/shared/artifacts/1fps360
#
# Defaults:
# archive dir = current directory
# destination = ./1fps360
ARCHIVE_DIR="${1:-.}"
DEST="${2:-./1fps360}"
JOBS="${JOBS:-8}"
mkdir -p "$DEST"
mapfile -t SHARDS < <(
find "$ARCHIVE_DIR" \
-maxdepth 1 \
-type f \
-name 'shard-*.tar' \
-print \
| sort
)
if [[ "${#SHARDS[@]}" -eq 0 ]]; then
echo "ERROR: no shard-*.tar files found in:"
echo " $ARCHIVE_DIR"
exit 1
fi
echo "Restoring ${#SHARDS[@]} TAR shards..."
echo "Destination: $DEST"
echo "Parallel jobs: $JOBS"
echo
extract_one() {
local shard="$1"
local dest="$2"
echo "→ $(basename "$shard")"
tar \
--no-same-owner \
-xf "$shard" \
-C "$dest"
}
export -f extract_one
printf '%s\0' "${SHARDS[@]}" \
| xargs \
-0 \
-P "$JOBS" \
-I '{}' \
bash -c \
'extract_one "$1" "$2"' \
_ '{}' "$DEST"
echo
echo "Restore completed."
COUNT="$(
find "$DEST" \
-mindepth 1 \
-maxdepth 1 \
-type d \
| wc -l
)"
echo "Video directories: $COUNT"
|