private void automergeChanges()

in src/main/java/com/googlesource/gerrit/plugins/automerger/DownstreamCreator.java [563:600]
31 lines of code
3 McCabe index (conditional complexity)

  private void automergeChanges(ChangeInfo change, RevisionInfo revisionInfo)
      throws RestApiException, IOException, ConfigInvalidException, InvalidQueryParameterException,
          StorageException {
    String currentRevision =
        gApi.changes().id(change._number).revision(revisionInfo._number).commit(false).commit;
    log.debug(
        "Handling patchsetevent with change id {} and revision {}", change.id, currentRevision);

    Set<String> downstreamBranches = config.getDownstreamBranches(change.branch, change.project);

    if (downstreamBranches.isEmpty()) {
      log.debug("Downstream branches of {} on {} are empty", change.branch, change.project);
      return;
    }

    // Map whether or not we should merge it or skip it for each downstream
    Map<String, Boolean> dsBranchMap = new HashMap<>();
    for (String downstreamBranch : downstreamBranches) {
      boolean isSkipMerge = config.isSkipMerge(change.branch, downstreamBranch, change.subject);
      dsBranchMap.put(downstreamBranch, !isSkipMerge);
    }
    log.debug("Automerging change {} from branch {}", change.id, change.branch);

    ChangeApi currentChange = gApi.changes().id(change._number);
    String previousRevision = getPreviousRevision(currentChange, revisionInfo._number);

    MultipleDownstreamMergeInput mdsMergeInput = new MultipleDownstreamMergeInput();
    mdsMergeInput.dsBranchMap = dsBranchMap;
    mdsMergeInput.changeNumber = change._number;
    mdsMergeInput.patchsetNumber = revisionInfo._number;
    mdsMergeInput.project = change.project;
    mdsMergeInput.topic = getOrSetTopic(change._number, change.topic);
    mdsMergeInput.subject = change.subject;
    mdsMergeInput.obsoleteRevision = previousRevision;
    mdsMergeInput.currentRevision = currentRevision;

    createMergesAndHandleConflicts(mdsMergeInput);
  }