Function parseCreationRuleForFile

config/config.go:570–611

(conf *configFile, confPath, filePath string, kmsEncryptionContext map[string]*string)

}

func parseCreationRuleForFile(conf *configFile, confPath, filePath string, kmsEncryptionContext map[string]*string) (*Config, error) {
	// If config file doesn't contain CreationRules (it's empty or only contains DestionationRules), assume it does not exist
	if conf.CreationRules == nil {
		return nil, nil
	}

	configDir, err := filepath.Abs(filepath.Dir(confPath))
	if err != nil {
		return nil, err
	}

	// compare file path relative to path of config file
	filePath = strings.TrimPrefix(filePath, configDir+string(filepath.Separator))

	var rule *creationRule

	for _, r := range conf.CreationRules {
		if r.PathRegex == "" {
			rule = &r
			break
		}
		reg, err := regexp.Compile(r.PathRegex)
		if err != nil {
			return nil, fmt.Errorf("can not compile regexp: %w", err)
		}
		if reg.MatchString(filePath) {
			rule = &r
			break
		}
	}

	if rule == nil {
		return nil, fmt.Errorf("error loading config: no matching creation rules found")
	}

	config, err := configFromRule(rule, kmsEncryptionContext)
	if err != nil {
		return nil, err
	}

	return config, nil
}

// LoadCreationRuleForFile load the configuration for a given SOPS file from the config file at confPath. A kmsEncryptionContext
// should be provided for configurations that do not contain key groups, as there's no way to specify context inside