When merging ore:aggregation, process the license correctly, if different or null, the default is use, if the same, this is the value used
# See README.md for details.
define archive::tar_gz($source, $target, $path=$::path) {
exec {"${name} unpack":
command => "curl -s -S ${source} | tar -xzf - -C ${target} && touch ${name}",
creates => $name,
path => $path,
require => Package[curl],
}
}