extracting all the attachments of an .xcresults bundle with xcode tools being the only dependency

extractAttachments.sh

#!/usr/bin/env bash

set -o errexit
set -o nounset
set -o pipefail
if [[ "${TRACE-0}" == "1" ]]; then
    set -o xtrace
fi

if [[ "${1-}" =~ ^-*h(elp)?$ ]]; then
    echo 'Usage: ./extractAttachments.sh <xcresult>

Extracts all the attachments of a .xcresult bundle into the current directory'
    exit
fi

XCRESULT=$1

echo "Loooking through $XCRESULT"
ACTION_RESULTS=$(xcrun xcresulttool graph --path ${XCRESULT} | grep ActionTestSummary -A1 | grep Id)

echo "Results:"
IFS=$'\n'
for xcidline in $ACTION_RESULTS; do 
    echo "$xcidline"
    xcid=${xcidline##* } # the last field of xcid line delimited by spaces
    TEST_SUMMARY=$(xcrun xcresulttool get --format json --path ${XCRESULT} --id "$xcid")
    #echo "$TEST_SUMMARY"
    PLIST=$(plutil -convert xml1 - -o - <<<"$TEST_SUMMARY")
    #echo "$PLIST"
    SUMMARIES=$(plutil -extract activitySummaries._values xml1 - -o - <<<"$PLIST")
    # echo "--- Summaries ---"
    #echo "$SUMMARIES"
    summary_count=$(plutil -convert raw - -o - <<<"$SUMMARIES")
    #echo "Summary count: $summary_count"
    for (( si=0; si<$summary_count; si++ )); do 
        # echo "si: $si"
        attachments=$(plutil -extract ${si}.attachments._values xml1 - -o - <<<"$SUMMARIES")
        # echo "attachments: $attachments"
        
        attachment_count=$(plutil -convert raw - -o - <<<"$attachments")
        
        # echo "ac: $attachment_count"
        
        for (( ai=0; ai<$attachment_count; ai++ )); do 
            filename=$(plutil -extract ${ai}.filename._value raw - -o - <<<"$attachments")
            name=$(plutil -extract ${ai}.name._value raw - -o - <<<"$attachments")
            ref=$(plutil -extract ${ai}.payloadRef.id._value raw - -o - <<<"$attachments")
            echo "Found attachment named: ${name}"
            echo "${ref} -> ${filename}"
            xcrun xcresulttool get --path ${XCRESULT} --id "$ref" >$filename
        done
        
    done
done