Function MigrateRepoConfigFiles

internal/repoconfig/repoconfig.go:344–369

MigrateRepoConfigFiles migrates legacy prompt_repos.json files to the canonical instruction_repos.json name. If instruction_repos.json already exists, it is preferred and prompt_repos.json is left untouched. If only prompt_repos.json exists, its repository entries are copied as-is because repo confi

(cfgDir string)

// prompt_repos.json exists, its repository entries are copied as-is because repo
// config entries do not store an entity kind.
func MigrateRepoConfigFiles(cfgDir string) (bool, error) {
	oldPath := filepath.Join(cfgDir, "prompt_repos.json")
	newPath := filepath.Join(cfgDir, "instruction_repos.json")

	if fileExists(newPath) {
		return false, nil
	}

	data, err := os.ReadFile(oldPath)
	if err != nil {
		if os.IsNotExist(err) {
			return false, nil
		}
		return false, fmt.Errorf("repoconfig: read %s: %w", oldPath, err)
	}
	if _, err := parseRepoJSON(data); err != nil {
		return false, err
	}
	if err := os.MkdirAll(cfgDir, 0o755); err != nil {
		return false, fmt.Errorf("repoconfig: mkdir %s: %w", cfgDir, err)
	}
	if err := os.WriteFile(newPath, data, 0o644); err != nil {
		return false, fmt.Errorf("repoconfig: write %s: %w", newPath, err)
	}
	return true, nil
}

func fileExists(path string) bool {
	_, err := os.Stat(path)