LogDog: Split CLI tool into package and main.

logdog/client/cli/coordinatorSource.go

 // Copyright 2016 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
-package main
+package cli
 
 import (
         "errors"
         "sync"
         "time"
 
         "github.com/luci/luci-go/common/clock"
         log "github.com/luci/luci-go/common/logging"
         "github.com/luci/luci-go/logdog/api/logpb"
         "github.com/luci/luci-go/logdog/client/coordinator"
@@ skipping 66 matching lines @@
                 }
         }
 }
 
 func (s *coordinatorSource) descriptor() (*logpb.LogStreamDescriptor, error) {
         if s.streamState != nil {
                 return &s.streamState.Desc, nil
         }
         return nil, errors.New("no stream state loaded")
 }