Do not write empty index files
Do not write empty index files

marineam/mantle,dm0-/mantle,quantum/coreos-mantle,pbx0/mantle,glevand/coreos--mantle,glevand/coreos--mantle,crawford/mantle,quantum/coreos-mantle,mjg59/mantle,marineam/mantle,mjg59/mantle,mischief/mantle,dm0-/mantle,mischief/mantle