shard names are now correctly set even with --single.
shard names are now correctly set even with --single.

parkhyeonghwa/mtools,yaowenqiang/mtools,aerrami/mtools,gormanb/mtools,aerrami/mtools,tomzhang/mtools,parkhyeonghwa/mtools,aerrami/mtools,gormanb/mtools,tomzhang/mtools,rueckstiess/mtools,yaowenqiang/mtools,ces0712/mtools,parkhyeonghwa/mtools,ces0712/mtools,rueckstiess/mtools,devkev/mtools,devkev/mtools,gormanb/mtools,tomzhang/mtools,devkev/mtools,yaowenqiang/mtools,ces0712/mtools