gitiles.Log: implement paging.

server/auth/config.go

 // Copyright 2016 The LUCI Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //      http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 14 matching lines @@
         "github.com/luci/luci-go/server/auth/signing"
 )
 
 // Config contains global configuration of the auth library.
 //
 // This configuration adjusts the library to the particular execution
 // environment (GAE, Flex, whatever). It contains concrete implementations of
 // various interfaces used by the library.
 //
 // It lives in the context and must be installed there by some root middleware
-// (via ModifyContext call).
+// (via ModifyConfig call).
 type Config struct {
         // DBProvider is a callback that returns most recent DB instance.
         //
         // DB represents a snapshot of user groups used for authorization checks.
         DBProvider func(c context.Context) (authdb.DB, error)
 
         // Signer possesses the service's private key and can sign blobs with it.
         //
         // It provides the bundle with corresponding public keys and information about
         // the service account they belong too (the service's own identity).
@@ skipping 74 matching lines @@
 //
 // If no factory is installed, returns DB that forbids everything and logs
 // errors. It is often good enough for unit tests that do not care about
 // authorization, and still not horribly bad if accidentally used in production.
 func GetDB(c context.Context) (authdb.DB, error) {
         if cfg := getConfig(c); cfg != nil && cfg.DBProvider != nil {
                 return cfg.DBProvider(c)
         }
         return authdb.ErroringDB{Error: ErrNotConfigured}, nil
 }