[errors] de-specialize Transient in favor of Tags.

logdog/common/archive/archive.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 archive constructs a LogDog archive out of log stream components.
 // Records are read from the stream and emitted as an archive.
 package archive
 
 import (
         "io"
 
         "github.com/luci/luci-go/common/data/recordio"
-        "github.com/luci/luci-go/common/errors"
         "github.com/luci/luci-go/common/logging"
         "github.com/luci/luci-go/common/sync/parallel"
         "github.com/luci/luci-go/logdog/api/logpb"
         "github.com/luci/luci-go/logdog/common/renderer"
 
         "github.com/golang/protobuf/proto"
 )
 
 // Manifest is a set of archival parameters.
 type Manifest struct {
@@ skipping 121 matching lines @@
                                                 return nil
                                         }
 
                                         return err
                                 }
 
                         }
                 }
         })
 
-        // If any of the returned errors was transient, return a transient error.
-        if errors.Any(err, errors.IsTransient) {
-                err = errors.WrapTransient(err)
-        }
         return err
 }
 
 func archiveLogs(w io.Writer, d *logpb.LogStreamDescriptor, logC <-chan *logpb.LogEntry, idx *indexBuilder) error {
         offset := int64(0)
         out := func(pb proto.Message) error {
                 d, err := proto.Marshal(pb)
                 if err != nil {
                         return err
                 }
@@ skipping 12 matching lines @@
                 }
 
                 // Add this LogEntry to our index, noting the current offset.
                 if idx != nil {
                         idx.addLogEntry(le, offset)
                 }
                 err = out(le)
         }
         return err
 }