Function LoadRepoConfig

pkg/workflow/repo_config.go:222–250

LoadRepoConfig loads and validates .github/workflows/aw.json from the provided git root directory. The function returns a non-nil *RepoConfig with default values when the file does not exist (the file is optional). An error is returned only when the file exists but cannot be read or fails schema va

(gitRoot string)

// An error is returned only when the file exists but cannot be read or fails
// schema validation.
func LoadRepoConfig(gitRoot string) (*RepoConfig, error) {
	configPath := filepath.Join(gitRoot, RepoConfigFileName)
	repoConfigLog.Printf("Loading repo config from %s", configPath)

	data, err := os.ReadFile(filepath.Clean(configPath))
	if err != nil {
		if errors.Is(err, os.ErrNotExist) {
			repoConfigLog.Print("Repo config file not found, using defaults")
			return &RepoConfig{}, nil
		}
		return nil, fmt.Errorf("failed to read %s: %w", RepoConfigFileName, err)
	}

	// Validate against the embedded JSON schema before deserialising.
	if err := validateRepoConfigJSON(data, configPath); err != nil {
		return nil, err
	}

	// Deserialise into typed structs via JSON annotations.
	var cfg RepoConfig
	if err := json.Unmarshal(data, &cfg); err != nil {
		return nil, fmt.Errorf("failed to parse %s: %w", RepoConfigFileName, err)
	}
	if err := validateRepoConfigValues(&cfg); err != nil {
		return nil, err
	}

	return &cfg, nil
}

// validateRepoConfigJSON validates raw JSON bytes against the repo config schema.
func validateRepoConfigJSON(data []byte, filePath string) error {