Update bulidbucket client

common/lhttp/utils.go

 // Copyright 2015 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 lhttp
 
 import (
         "errors"
         "net/url"
         "strings"
@@ skipping 21 matching lines @@
                 return "", errors.New("Only http:// or https:// scheme is accepted.")
         }
         if u.Scheme != "https" && hostRequiresSSL(u.Host) {
                 return "", errors.New("only https:// scheme is accepted for appspot hosts, it can be omitted")
         }
         if _, err = url.Parse(s); err != nil {
                 return "", err
         }
         return s, nil
 }
+
+// IsLocalHost returns true if host is local.
+func IsLocalHost(host string) bool {
+        switch {
+        case host == "localhost", strings.HasPrefix(host, "localhost:"):
+        case host == "127.0.0.1", strings.HasPrefix(host, "127.0.0.1:"):
+        case host == "[::1]", strings.HasPrefix(host, "[::1]:"):

[Vadim Sh., 2016/08/09 19:09:24]

strictly speaking 0:0:0:0:0:0:0:1 is also localhost and 00:00:00:00:00:00:00:01

Use https://golang.org/pkg/net/#SplitHostPort and ParseIP and IP.IsLoopback.

[nodir, 2016/08/09 22:56:31]

Done.

+        case strings.HasPrefix(host, ":"):
+
+        default:
+                return false
+        }
+        return true
+}