old_contents: from datetime import datetime
  from flask import current_app
  
  from changes.backends.jenkins.builder import JenkinsBuilder
  from changes.config import db, queue
  from changes.constants import Status, Result
  from changes.models import Build, RemoteEntity
  
  
  def sync_build(build_id):
      try:
          build = Build.query.get(build_id)
          if not build:
              return
  
          if build.status == Status.finished:
              return
  
          # HACK(dcramer): this definitely is a temporary fix for our "things are
          # only a single builder" problem
          entity = RemoteEntity.query.filter_by(
              provider='jenkins',
              internal_id=build.id,
              type='build',
          ).first()
          if not entity:
              build.status = Status.finished
              build.result = Result.aborted
          else:
              builder = JenkinsBuilder(
                  app=current_app,
                  base_url=current_app.config['JENKINS_URL'],
              )
              builder.sync_build(build)
  
          build.date_modified = datetime.utcnow()
          db.session.add(build)
  
          if build.status != Status.finished:
              queue.delay('sync_build', build_id=build.id.hex)
      except Exception:
          # Ensure we continue to synchronize this build as this could be a
          # temporary failure
          queue.retry('sync_build', build_id=build.id.hex)
          raise
  
new_contents: import logging
  
  from datetime import datetime
  from flask import current_app
  
  from changes.backends.jenkins.builder import JenkinsBuilder
  from changes.config import db, queue
  from changes.constants import Status, Result
  from changes.models import Build, RemoteEntity
  
  logger = logging.getLogger('jobs')
  
  
  def sync_build(build_id):
      try:
          build = Build.query.get(build_id)
          if not build:
              return
  
          if build.status == Status.finished:
              return
  
          # HACK(dcramer): this definitely is a temporary fix for our "things are
          # only a single builder" problem
          entity = RemoteEntity.query.filter_by(
              provider='jenkins',
              internal_id=build.id,
              type='build',
          ).first()
          if not entity:
              build.status = Status.finished
              build.result = Result.aborted
          else:
              builder = JenkinsBuilder(
                  app=current_app,
                  base_url=current_app.config['JENKINS_URL'],
              )
              builder.sync_build(build)
  
          build.date_modified = datetime.utcnow()
          db.session.add(build)
  
          if build.status != Status.finished:
              queue.delay('sync_build', build_id=build.id.hex)
      except Exception:
          # Ensure we continue to synchronize this build as this could be a
          # temporary failure
          queue.retry('sync_build', build_id=build.id.hex)
          logger.exception('Failed to sync build')
          raise
  
subject: Write exceptions to jobs logger