ls

var Cmd = &charm.Spec{
	Name:  "ls",
	Usage: "ls [options] [pool]",
	Short: "list pools in a lake or branches in a pool",
	Long: `
"zed ls" shows a listing of a data pool's data objects as IDs.
If a pool name or pool ID is given, then the pool's branches are listed
along with the ID of their commit object, which points at the tip of each branch.
`,
	New: New,
}