Future triggerPresubmitTargets()

in app_dart/lib/src/service/scheduler.dart [246:311]
61 lines of code
4 McCabe index (conditional complexity)

  Future<void> triggerPresubmitTargets({
    required github.PullRequest pullRequest,
    String reason = 'Newer commit available',
  }) async {
    // Always cancel running builds so we don't ever schedule duplicates.
    log.fine('about to cancel presubmit targets');
    await cancelPreSubmitTargets(
      pullRequest: pullRequest,
      reason: reason,
    );
    final github.CheckRun ciValidationCheckRun = await githubChecksService.githubChecksUtil.createCheckRun(
      config,
      pullRequest.base!.repo!.slug(),
      pullRequest.head!.sha!,
      kCiYamlCheckName,
      output: const github.CheckRunOutput(
        title: kCiYamlCheckName,
        summary: 'If this check is stuck pending, push an empty commit to retrigger the checks',
      ),
    );
    final github.RepositorySlug slug = pullRequest.base!.repo!.slug();
    dynamic exception;
    try {
      final List<Target> presubmitTargets = await getPresubmitTargets(pullRequest);
      await luciBuildService.scheduleTryBuilds(
        targets: presubmitTargets,
        pullRequest: pullRequest,
      );
    } on FormatException catch (error, backtrace) {
      log.warning(backtrace.toString());
      exception = error;
    } catch (error, backtrace) {
      log.warning(backtrace.toString());
      exception = error;
    }

    // Update validate ci.yaml check
    if (exception == null) {
      // Success in validating ci.yaml
      await githubChecksService.githubChecksUtil.updateCheckRun(
        config,
        slug,
        ciValidationCheckRun,
        status: github.CheckRunStatus.completed,
        conclusion: github.CheckRunConclusion.success,
      );
    } else {
      log.warning('Marking PR #${pullRequest.number} $kCiYamlCheckName as failed');
      log.warning(exception.toString());
      // Failure when validating ci.yaml
      await githubChecksService.githubChecksUtil.updateCheckRun(
        config,
        slug,
        ciValidationCheckRun,
        status: github.CheckRunStatus.completed,
        conclusion: github.CheckRunConclusion.failure,
        output: github.CheckRunOutput(
          title: kCiYamlCheckName,
          summary: '.ci.yaml has failures',
          text: exception.toString(),
        ),
      );
    }
    log.info(
        'Finished triggering builds for: pr ${pullRequest.number}, commit ${pullRequest.base!.sha}, branch ${pullRequest.head!.ref} and slug ${pullRequest.base!.repo!.slug()}}');
  }