create

type CreateOptions struct {
	IO             *iostreams.IOStreams
	HttpClient     func() (*http.Client, error)
	Branch         func() (string, error)
	ExecGitCommand func(string, ...string) (string, error)
	CreatePR       func(*api.Client, string, string, *api.CreatePROptions) (*api.PullRequest, error)
	OpenBrowser    func(string) error

	// Arguments
	Repository string

	// Flags
	Title string
	Body  string
	Head  string
	Base  string
	Draft bool
	Fill  bool
	Web   bool
	Fork  string // 跨仓库 PR：fork 项目路径【owner/repo】
}