code: func (d *DotGit) ObjectPacks() ([]plumbing.Hash, error) {
  	if !d.options.ExclusiveAccess {
  		return d.objectPacks()
  	}
  
  	err := d.genPackList()
  	if err != nil {
  		return nil, err
  	}
  
  	return d.packList, nil
  }
docs: // ObjectPacks returns the list of availables packfiles