Annotee: Shorten logdog log link label

logdog/client/annotee/annotation/annotation.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 annotation
 
 import (
         "fmt"
         "path"
         "strconv"
@@ skipping 735 matching lines @@
         if !ok {
                 // No entry for this log line. Create a new one and register it.
                 //
                 // This will appear as:
                 // [BASE]/logs/[label]/[ord]
                 subName, err := types.MakeStreamName("s_", "logs", label, strconv.Itoa(as.logLineCount[label]))
                 if err != nil {
                         panic(fmt.Errorf("failed to generate log stream name for [%s]: %s", label, err))
                 }
                 name = as.BaseStream(subName)
-                as.AddLogdogStreamLink("", "", name)
+                as.AddLogdogStreamLink("", label, "", name)
 
                 as.logLines[label] = name
                 as.logLineCount[label]++
                 updated = true
         }
 
         as.s.Callbacks.StepLogLine(as, name, label, line)
         return updated
 }
 
@@ skipping 73 matching lines @@
                 }
         }
         if nestParent == nil || nestParent == as.parent {
                 return true
         }
         nestParent.appendSubstep(as)
         return true
 }
 
 // AddLogdogStreamLink adds a LogDog stream link to this Step's links list.
-func (as *Step) AddLogdogStreamLink(server string, prefix, name types.StreamName) {
+func (as *Step) AddLogdogStreamLink(server, label string, prefix, name types.StreamName) {
         link := &milo.Link{
+                Label: label,
                 Value: &milo.Link_LogdogStream{&milo.LogdogStream{
                         Name:   string(name),
                         Server: server,
                         Prefix: string(prefix),
                 }},
         }
         as.OtherLinks = append(as.OtherLinks, link)
 }
 
 // AddURLLink adds a URL link to this Step's links list.
@@ skipping 50 matching lines @@
         as.StderrStream, updated = as.maybeSetLogDogStream(as.StderrStream, st)
         return
 }
 
 func (as *Step) maybeSetLogDogStream(target *milo.LogdogStream, st *milo.LogdogStream) (*milo.LogdogStream, bool) {
         if (target == nil && st == nil) || (target != nil && st != nil && *target == *st) {
                 return target, false
         }
         return st, true
 }