Method writeMagic

db/root.go:127–151

(ctx context.Context)

}

func (r *Root) writeMagic(ctx context.Context) error {
	if err := r.readMagic(ctx); err == nil {
		return errors.New("database already exists")
	}
	magic := &Magic{
		Magic:   MagicString,
		Version: Version,
	}
	serializer := bsupbytes.NewSerializer()
	serializer.Decorate(sup.StylePackage)
	if err := serializer.Write(magic); err != nil {
		return err
	}
	if err := serializer.Close(); err != nil {
		return err
	}
	path := r.path.JoinPath(MagicFile)
	err := r.engine.PutIfNotExists(ctx, path, serializer.Bytes())
	if err == storage.ErrNotSupported {
		//XXX workaround for now: see issue #2686
		reader := bytes.NewReader(serializer.Bytes())
		err = storage.Put(ctx, r.engine, path, reader)
	}
	return err
}

func (r *Root) readMagic(ctx context.Context) error {
	path := r.path.JoinPath(MagicFile)