Function cloneRepository

cli/flow/main.go:1336–1373

(ctx *snap.Context, input string)

}

func cloneRepository(ctx *snap.Context, input string) (string, error) {
	owner, repo, cloneURL, err := parseGitHubCloneInfo(input)
	if err != nil {
		return "", err
	}

	homeDir, err := os.UserHomeDir()
	if err != nil {
		return "", fmt.Errorf("determine home directory: %w", err)
	}

	targetDir := filepath.Join(homeDir, "gh", owner, repo)
	parentDir := filepath.Dir(targetDir)
	if err := os.MkdirAll(parentDir, 0o755); err != nil {
		return "", fmt.Errorf("creating %s: %w", parentDir, err)
	}

	if info, err := os.Stat(targetDir); err == nil {
		if info.IsDir() {
			return "", fmt.Errorf("destination %s already exists", targetDir)
		}
		return "", fmt.Errorf("destination %s exists and is not a directory", targetDir)
	} else if !errors.Is(err, os.ErrNotExist) {
		return "", fmt.Errorf("checking %s: %w", targetDir, err)
	}

	cmd := exec.Command("git", "clone", cloneURL, targetDir)
	output, err := cmd.CombinedOutput()
	if err != nil {
		trimmed := strings.TrimSpace(string(output))
		if trimmed != "" {
			fmt.Fprintln(ctx.Stderr(), trimmed)
		}
		return "", fmt.Errorf("git clone failed: %w", err)
	}

	return targetDir, nil
}

func parsePullRequestRef(input string) (string, string, int, error) {
	candidate := strings.TrimSpace(strings.TrimSuffix(input, "/"))