build/gn/unpack_build_id_archives.sh

#!/bin/sh

# Copyright 2019 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

set -e

# Directory in which the prebuilt build-id archives are found.
build_id_archive_dir=${1}
# Directory at which to unpack all of the build-id archives.
unpack_dir=${2}
# The path at which to output the list of archives.
output=${3}

archives=()
if [ -d $build_id_archive_dir ]
then
  archives=$(find "$build_id_archive_dir" -name "*.tar.bz2" -follow)
fi

if [ ! -d $unpack_dir ]
then mkdir $unpack_dir
fi

if [ ! -z $array ]
then echo $archives | xargs --max-procs 10 -n1 tar -xC $unpack_dir -jf
fi

printf "%s\n" "${archives[@]}" > $output