docs: def ready(ctx, quiet):
      """Show all the checks that can be released."""
      user_config = ctx.obj
      cached_prs = {}
  
      for target in sorted(get_valid_checks()):
          # get the name of the current release tag
          cur_version = get_version_string(target)
          target_tag = get_release_tag_string(target, cur_version)
  
          # get the diff from HEAD
          diff_lines = get_commits_since(target, target_tag)
  
          # get the number of PRs that could be potentially released
          # Only show the ones that have a changelog label that isn't no-changelog
          pr_numbers = parse_pr_numbers(diff_lines)
  
          shippable_prs = 0
          for pr_num in pr_numbers:
              try:
                  if pr_num in cached_prs:
                      changelog_labels = cached_prs[pr_num]
                      if len(changelog_labels) != 1:
                          continue
                  else:
                      payload = get_pr(pr_num, user_config)
                      changelog_labels = get_changelog_types(payload)
                      cached_prs[pr_num] = changelog_labels
  
                      if not changelog_labels:
                          echo_warning(
                              'PR #{} has no changelog label attached, please add one! Skipping...'.format(pr_num)
                          )
                          continue
  
                      if len(changelog_labels) > 1:
                          echo_warning(
                              'Multiple changelog labels found attached to PR #{}, '
                              'please only use one! Skipping...'.format(pr_num)
                          )
                          continue
  
                  if changelog_labels[0] != CHANGELOG_TYPE_NONE:
                      shippable_prs += 1
              except Exception as e:
                  echo_failure('Unable to fetch info for PR #{}: {}'.format(pr_num, e))
                  continue
  
          if shippable_prs:
              if quiet:
                  msg = target
              else:
                  msg = 'Check {} has {} out of {} merged PRs that could be released' ''.format(
                      target, shippable_prs, len(pr_numbers)
                  )
              echo_info(msg)