TarBall *tarball = new TarBall(builder, *sources.front()->get_package(), arg);
for(list<Target *>::const_iterator i=sources.begin(); i!=sources.end(); ++i)
TarBall *tarball = new TarBall(builder, *sources.front()->get_package(), arg);
for(list<Target *>::const_iterator i=sources.begin(); i!=sources.end(); ++i)