sbxjoin.sh

#!/bin/bash

shopt -s extglob

if (( $# < 2 )); then
    echo "Usage : in_prefix out_file"
    exit 1
fi

in_prefix=$1
out_file=$2

sbx_version=17
sbx_block_size=512

out_container=$in_prefix.$out_file.tmp
rm -rf $out_container

echo "Decoding parts"

for file in $in_prefix.part*; do
    if [[ $file == *.sbx ]]; then
        echo "  Decoding $file"

        output=$(rsbx sort --json $file $file.sorted --burst 0)
        error=$(echo $output | jq -r ".error")
        if [[ $error != null ]]; then
            echo "    Error occured during sorting"
            echo "    $error"
            exit 1
        fi

        output=$(rsbx repair --json $file.sorted)
        error=$(echo $output | jq -r ".error")
        if [[ $error != null ]]; then
            echo "    Error occured during repairing"
            echo "    $error"
            exit 1
        fi

        output=$(rsbx decode --json $file.sorted)
        if [[ $error != "null" ]]; then
            echo "    Error occured during encoding"
            echo "    $error"
            exit 1
        fi

        recorded_hash=$(echo $output | jq -r ".stats.recordedHash")
        output_hash=$(echo $output | jq -r ".stats.hashOfOutputFile")

        if [[ $recorded_hash != $output_hash ]]; then
            echo "    Error : hash mismatch for $file"
            exit 1
        fi

        rm $file.sorted
    fi
done

echo "Concatenating parts"
for file in $in_prefix.part+([0-9]); do
    echo "  Adding $file to final container"

    cat $file >> $out_container

    if [ -f $file.sbx ]; then
        rm $file
    fi
done

echo "Sorting container"
output=$(rsbx sort --json $out_container $out_container.sorted --burst 0)
error=$(echo $output | jq -r ".error")
if [[ $error != null ]]; then
    echo "  Error occured during sorting"
    echo "  $error"
    exit 1
fi

mv $out_container.sorted $out_container

echo "Repairing container"
output=$(rsbx repair --json $out_container)
error=$(echo $output | jq -r ".error")
if [[ $error != null ]]; then
    echo "  Error occured during repairing"
    echo "  $error"
    exit 1
fi
repairs_failed=$(echo $output | jq -r ".stats.numberOfBlocksFailedToRepairData")
if (( $repairs_failed > 0 )); then
    echo "  Failed to repair container"
    echo "  The decoded data will have missing data"
fi

echo "Decoding container"
output=$(rsbx decode --json $out_container $out_file)
error=$(echo $output | jq -r ".error")
if [[ $error != null ]]; then
    echo "  Error occured during decoding"
    echo "  $error"
    exit 1
fi

recorded_hash=$(echo $output | jq -r ".stats.recordedHash")
output_hash=$(echo $output | jq -r ".stats.hashOfOutputFile")

echo "Checking hash"
if [[ $recorded_hash != $output_hash ]]; then
    echo "  Error : Output file hash mismatch"
    echo "  Recorded    hash : $recorded_hash"
    echo "  Output file hash : $output_hash"
    exit 1
fi

# clean up
echo "Cleaning up"
rm -rf $out_container