Function DetermineEditor

pkg/cmdutil/legacy.go:12–23

TODO: consider passing via Factory TODO: support per-hostname settings

(cf func() (gh.Config, error))

// TODO: consider passing via Factory
// TODO: support per-hostname settings
func DetermineEditor(cf func() (gh.Config, error)) (string, error) {
	editorCommand := os.Getenv("GH_EDITOR")
	if editorCommand == "" {
		cfg, err := cf()
		if err != nil {
			return "", fmt.Errorf("could not read config: %w", err)
		}
		editorCommand = cfg.Editor("").Value
	}

	return editorCommand, nil
}