Join to builds via jobset_id when easy

src/lib/Hydra/Controller/Build.pm

@@ -83,8 +83,7 @@ sub build_GET {
 
     if ($build->finished) {
         $c->stash->{prevBuilds} = [$c->model('DB::Builds')->search(
-            { project => $c->stash->{project}->name
-            , jobset => $c->stash->{jobset}->name
+            { jobset_id => $c->stash->{jobset}->id
             , job => $c->stash->{job}
             , 'me.system' => $build->system
             , finished => 1

src/lib/Hydra/Controller/Channel.pm

@@ -22,8 +22,7 @@ sub channel : Chained('/') PathPart('channel/custom') CaptureArgs(3) {
 
     my $lastSuccessful = $c->model('DB::Builds')->find(
         { 'eval.hasnewbuilds' => 1
-        , project => $projectName
-        , jobset => $jobsetName
+        , jobset_id => $c->stash->{jobset}->id,
         , job => $channelName
         , buildstatus => 0
         },