Milo: Show accurate pending build numbers for builder view.

milo/buildsource/buildbot/builder.go

 // Copyright 2016 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 buildbot
 
 import (
         "crypto/sha1"
         "encoding/base64"
         "errors"
@@ skipping 220 matching lines @@
                 // buildbot builder is specified.
                 keys := make([]string, 0, len(master.Builders))
                 for k := range master.Builders {
                         keys = append(keys, k)
                 }
                 sort.Strings(keys)
                 return nil, errBuilderNotFound{masterName, builderName, keys}
         }
         // Extract pending builds out of the master json.
         result.PendingBuilds = make([]*resp.BuildSummary, len(p.PendingBuildStates))
+        result.PendingBuildNum = p.PendingBuilds
         logging.Debugf(c, "Number of pending builds: %d", len(p.PendingBuildStates))
         for i, pb := range p.PendingBuildStates {
                 start := time.Unix(int64(pb.SubmittedAt), 0).UTC()
                 result.PendingBuilds[i] = &resp.BuildSummary{
                         PendingTime: resp.Interval{
                                 Started:  start,
                                 Duration: clock.Now(c).UTC().Sub(start),
                         },
                 }
                 result.PendingBuilds[i].Blame = make([]*resp.Commit, len(pb.Source.Changes))
@@ skipping 38 matching lines @@
         }
         result.CurrentBuilds = currentBuilds
 
         for _, fb := range finishedBuilds {
                 if fb != nil {
                         result.FinishedBuilds = append(result.FinishedBuilds, fb)
                 }
         }
         return result, nil
 }