osi-tools/osi-extract

#!/usr/bin/env bash
# 2018 Luke Shumaker
{
	set -euE
	source "${BASH_SOURCE[0]%/*}/lib/osi.sh"

	arg_image=$1
	arg_src=$(realpath -ms -- "$2")
	arg_dst=$3

	mountpoint=$(mktemp -dt -- "${0##*/}.XXXXXXXXXX")
	trap "rmdir -- ${mountpoint@Q}" EXIT

	sudo -- ./osi-mount --user -- "$arg_image" "$mountpoint" cp -aT -- "$mountpoint/$arg_src" "$arg_dst"
}