[backend] bring back the BUILD_UNCHANGED event for api build status t…

…racking, but do not deliver it to hermes.

src/api/app/models/event/build.rb

@@ -16,3 +16,7 @@ class Event::BuildFail < Event::Build
   self.description = 'Package has failed to build'
 end
 
+class Event::BuildUnchanged < Event::Build
+  self.raw_type = 'BUILD_UNCHANGED'
+  self.description = 'Package has succeeded building with unchanged result'
+end

src/api/test/fixtures/events.yml

@@ -47,6 +47,15 @@ events_1067339513:
   lock_version: 0
   created_at: 2013-08-31 14:56:52.000000000 Z
   updated_at: 2013-08-31 14:56:52.000000000 Z
+events_1067339514:
+  id: 1067339514
+  eventtype: Event::BuildUnchanged
+  payload: '{"project":"HiddenProject","package":"pack","repository":"nada","arch":"i586","disturl":"obs://build.some.where/HiddenProject/nada/ee3a023192742ef3c4b2e3ea1cabec4f-pack","release":"2.1","file":"package.spec","versrel":"1.0-2","readytime":"1377958901","srcmd5":"ee3a023192742ef3c4b2e3ea1cabec4f","srcserver":"http://localhost:3200","rev":"2","revtime":"1377958895","job":"HiddenProject::nada::pack-ee3a023192742ef3c4b2e3ea1cabec4f","reason":"new
+    build","bcnt":"1","needed":"0","reposerver":"http://localhost:3201","verifymd5":"ee3a023192742ef3c4b2e3ea1cabec4f"}'
+  queued: 0
+  lock_version: 0
+  created_at: 2013-08-31 14:56:52.000000000 Z
+  updated_at: 2013-08-31 14:56:52.000000000 Z
 events_1067339518:
   id: 1067339518
   eventtype: Event::RepoPublished

src/backend/bs_repserver

@@ -1790,6 +1790,7 @@ sub putjob {
 
   if ($cgi->{'code'} && $cgi->{'code'} eq 'unchanged') {
     $jobstatus->{'result'} = 'unchanged';
+    notify('BUILD_UNCHANGED', $info);
   } else {
     notify($jobstatus->{'result'} eq 'succeeded' ? 'BUILD_SUCCESS' :  'BUILD_FAIL', $info);
   }

src/backend/plugins/notify_hermes.pm

@@ -41,6 +41,8 @@ sub notify() {
   my @args = ( "rm=notify" );
 
   $type = "UNKNOWN" unless $type;
+  # we do not want to deliver UNCHANGED events to hermes
+  return if $type eq "BUILD_UNCHANGED";
   # prepend something BS specific
   my $prefix = $BSConfig::hermesnamespace || "OBS";
   $type =  "${prefix}_$type";