private Pipeline tryToScheduleAPipeline() {
BuildCause buildCause =
BuildCause.createWithModifications(modifyOneFile(preCondition.pipelineConfig()), "");
dbHelper.saveMaterials(buildCause.getMaterialRevisions());
pipelineScheduleQueue.schedule(preCondition.pipelineName, buildCause);
scheduleService.autoSchedulePipelinesFromRequestBuffer();
return pipelineService.mostRecentFullPipelineByName(preCondition.pipelineName);
}
