Function updateLabel

pkg/cmd/label/create.go:158–182

(apiClient *api.Client, repo ghrepo.Interface, opts *editOptions)

}

func updateLabel(apiClient *api.Client, repo ghrepo.Interface, opts *editOptions) error {
	path := fmt.Sprintf("repos/%s/%s/labels/%s", repo.RepoOwner(), repo.RepoName(), opts.Name)
	properties := map[string]string{}
	if opts.Description != "" {
		properties["description"] = opts.Description
	}
	if opts.Color != "" {
		properties["color"] = opts.Color
	}
	if opts.NewName != "" {
		properties["new_name"] = opts.NewName
	}
	requestByte, err := json.Marshal(properties)
	if err != nil {
		return err
	}
	requestBody := bytes.NewReader(requestByte)
	err = apiClient.REST(repo.RepoHost(), "PATCH", path, requestBody, nil)

	if httpError, ok := err.(api.HTTPError); ok && isLabelAlreadyExistsError(httpError) {
		err = errLabelAlreadyExists
	}

	return err
}

func isLabelAlreadyExistsError(err api.HTTPError) bool {
	return err.StatusCode == 422 && len(err.Errors) == 1 && err.Errors[0].Field == "name" && err.Errors[0].Code == "already_exists"