Only allow to upload 1 tarball with subcommand 'upload'
Only allow to upload 1 tarball with subcommand 'upload'

Ignore-this: 979b6676745a3d091b5314cfd41ff1a3

darcs-hash:20110518154543-4d692-33382ac989203b62ed84a7321412a348e0bd889a

ocaml/oasis-db,avsm/oasis-db-mirror,avsm/oasis-db-mirror,ocaml/oasis-db,ocaml/oasis-db,avsm/oasis-db-mirror,avsm/oasis-db-mirror