code: def make_osa_report(repo_dir, old_commit, new_commit,
                      args):
      
      update_repo(repo_dir, args.osa_repo_url, args.update)
  
      # Are these commits valid?
      validate_commits(repo_dir, [old_commit, new_commit])
  
      # Do we have a valid commit range?
      validate_commit_range(repo_dir, old_commit, new_commit)
  
      # Get the commits in the range
      commits = get_commits(repo_dir, old_commit, new_commit)
  
      # Start off our report with a header and our OpenStack-Ansible commits.
      template_vars = {
          'args': args,
          'repo': 'openstack-ansible',
          'commits': commits,
          'commit_base_url': get_commit_url(args.osa_repo_url),
          'old_sha': old_commit,
          'new_sha': new_commit
      }
      return render_template('offline-header.j2', template_vars)
docs: Create initial RST report header for OpenStack-Ansible.