func()

in cmd/checker/checker.go [141:195]

• 51 lines of code
• 12 McCabe index (conditional complexity)

func (c *gerritChecker) checkChange(changeID string, psID int, language string) ([]string, error) {
	ch, err := c.server.GetChange(changeID, strconv.Itoa(psID))
	if err != nil {
		return nil, err
	}
	req := linter.FormatRequest{}
	for n, f := range ch.Files {
		cfg, ok := linter.GetFormatter(language)
		if !ok {
			return nil, fmt.Errorf("language %q not configured", language)
		}
		if !cfg.Regex.MatchString(n) {
			continue
		}

		req.Files = append(req.Files,
			linter.File{
				Language: language,
				Name:     n,
				Content:  f.Content,
			})
	}
	if len(req.Files) == 0 {
		return nil, errIrrelevant
	}

	rep := linter.FormatReply{}
	if err := linter.Format(&req, &rep); err != nil {
		_, ok := err.(rpc.ServerError)
		if ok {
			return nil, fmt.Errorf("server returned: %s", err)
		}
		return nil, err
	}

	var msgs []string
	for _, f := range rep.Files {
		orig := ch.Files[f.Name]
		if orig == nil {
			return nil, fmt.Errorf("result had unknown file %q", f.Name)
		}
		if !bytes.Equal(f.Content, orig.Content) {
			msg := f.Message
			if msg == "" {
				msg = "found a difference"
			}
			msgs = append(msgs, fmt.Sprintf("%s: %s", f.Name, msg))
			log.Printf("%s/%d: file %s: %s", changeID, psID, f.Name, f.Message)
		} else {
			log.Printf("%s/%d: file %s: OK", changeID, psID, f.Name)
		}
	}

	return msgs, nil
}