Function extractFile

pkg/cmd/copilot/copilot.go:454–468

extractFile creates a file at target with the given mode and copies content from r.

(target string, mode os.FileMode, r io.Reader)

// extractFile creates a file at target with the given mode and copies content from r.
func extractFile(target string, mode os.FileMode, r io.Reader) (err error) {
	out, err := os.OpenFile(target, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, mode)
	if err != nil {
		return fmt.Errorf("failed to create file: %w", err)
	}
	defer func() {
		if cerr := out.Close(); err == nil && cerr != nil {
			err = fmt.Errorf("failed to close file: %w", cerr)
		}
	}()
	if _, err := io.Copy(out, r); err != nil {
		return fmt.Errorf("failed to write file: %w", err)
	}
	return nil
}

func removeCopilot(installDir string) error {
	if _, err := os.Stat(installDir); os.IsNotExist(err) {