class Dependabot::PullRequestUpdater::Azure

def update_source_branch
  # 1) Push the file changes to a newly created temporary branch (from base commit)
  new_commit = create_temp_branch
  # 2) Update PR source branch to point to the temp branch head commit.
  response = update_branch(source_branch_name, old_source_branch_commit, new_commit)
  # 3) Delete temp branch
  update_branch(temp_branch_name, new_commit, OBJECT_ID_FOR_BRANCH_DELETE)
  raise PullRequestUpdateFailed, response.fetch("customMessage", nil) unless response.fetch("success", false)
end