You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: tagger.go
    path of file: ./repos/stash/internal/autotag
    
    the code of the file until where you have to start completion: // Package autotag provides methods to auto-tag scenes with performers,
// studios and tags.
//
// The autotag engine tags scenes with performers/studios/tags if the scene's
// path matches the performer/studio/tag name. A scene's path is considered
// a match if it contains the performer/studio/tag's full name, ignoring any
// '.', '-', '_' characters in the path.
//
// For example, for a performer "foo bar", the 
    
func (t *tagger) tagStudios(ctx context.Context, studioReader models.StudioAutoTagQueryer, addFunc addLinkFunc) error {
	studio, err := match.PathToStudio(ctx, t.Path, studioReader, t.cache, t.trimExt)
	if err != nil {
		return err
	}

	if studio != nil {
		added, err := addFunc(t.ID, studio.ID)

		if err != nil {
			return t.addError("studio", studio.Name, err)
		}

		if added {
			t.addLog("studio", studio.Name)
		}
	}

	return nil
}