package backend

import (
	"fmt"
	"os"
	"path/filepath"
)

func createDotCrushDir(dir string) error {
	if err := os.MkdirAll(dir, 0o700); err != nil {
		return fmt.Errorf("failed to create data directory: %q %w", dir, err)
	}

	gitIgnorePath := filepath.Join(dir, ".gitignore")
	if _, err := os.Stat(gitIgnorePath); os.IsNotExist(err) {
		if err := os.WriteFile(gitIgnorePath, []byte("*\n"), 0o644); err != nil {
			return fmt.Errorf("failed to create .gitignore file: %q %w", gitIgnorePath, err)
		}
	}

	return nil
}