Merge branch 'hlt_ioptsvc' into 'master'

HLT: Fixes for IOptionsSvc migration

See merge request !36271

HLT/Trigger/TrigControl/TrigCommon/python/TrigPyHelper.py

@@ -44,7 +44,7 @@ class TrigApp(object):
       for p in jobOptSvc.items():
          name = p._0
          value = p._1
-         client, prop = name.split('.',1)
+         client, prop = name.rsplit('.',1)
          if reClient.match(client) and reProp.match(prop):
             self.log.info("Changing %s.%s from '%s' to '%s'", client, prop, value, newValue)
             iprop = iProperty(client)

HLT/Trigger/TrigControl/TrigServices/src/HltROBDataProviderSvc.cxx

@@ -109,7 +109,8 @@ StatusCode HltROBDataProviderSvc::initialize()
     if ((jobOptionsSvc.retrieve()).isFailure()) {
       ATH_MSG_ERROR("Could not find JobOptionsSvc");
     } else {
-      if (m_enabledROBs.fromString(jobOptionsSvc->get("DataFlowConfig.DF_Enabled_ROB_IDs","[]")).isSuccess()) {
+      if (jobOptionsSvc->has("DataFlowConfig.DF_Enabled_ROB_IDs") &&
+          m_enabledROBs.fromString(jobOptionsSvc->get("DataFlowConfig.DF_Enabled_ROB_IDs")).isSuccess()) {
         robOKSconfigFound = true;
         ATH_MSG_INFO(" ---> Read from OKS                                                = "
                      << MSG::dec << m_enabledROBs.value().size() << " enabled ROB IDs.");