build_packages: accept package names as an argument
build_packages: accept package names as an argument

mjg59/scripts,coreos/scripts,marineam/coreos-scripts,mjg59/scripts,smilart/scripts,smilart/scripts,smilart/scripts,mjg59/scripts,marineam/coreos-scripts,marineam/coreos-scripts,coreos/scripts,glevand/coreos--scripts,glevand/coreos--scripts