LogDog: Update to archival V2.

common/gcloud/gs/path.go

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package gs
 
 import (
         "strings"
 )
 
@@ skipping 53 matching lines @@
                         return
                 }
 
                 bucket = v[:sidx]
                 v = v[sidx+1:]
         }
         filename = v
         return
 }
 
+// IsFullPath returns true if the Path contains both a bucket and file name.
+func (p Path) IsFullPath() bool {
+        bucket, filename := p.Split()
+        return (bucket != "" && filename != "")
+}
+
 // Concat concatenates a filename component to the end of Path.
 //
 // Multiple components may be specified. In this case, each will be added as a
 // "/"-delimited component, and will have any present trailing slashes stripped.
 func (p Path) Concat(v string, parts ...string) Path {
         comps := make([]string, 0, len(parts)+2)
         add := func(v string) {
                 v = stripTrailingSlashes(v)
                 if len(v) > 0 {
                         comps = append(comps, v)
@@ skipping 13 matching lines @@
 func trimPrefix(s, prefix string) (string, bool) {
         if strings.HasPrefix(s, prefix) {
                 return s[len(prefix):], true
         }
         return s, false
 }
 
 func stripTrailingSlashes(v string) string {
         return strings.TrimRight(v, "/")
 }