func Repos(etcdClient *etcd.Client, etcdPrefix string) col.Collection {
	return col.NewCollection(
		etcdClient,
		path.Join(etcdPrefix, reposPrefix),
		nil,
		&pfs.RepoInfo{},
		nil,
		nil,
	)
}
func Repos(etcdClient *etcd.Client, etcdPrefix string) col.Collection {
	return col.NewCollection(
		etcdClient,
		path.Join(etcdPrefix, reposPrefix),
		nil,
		&pfs.RepoInfo{},
		nil,
		nil,
	)
}
// Repos returns a collection of repos