tree 685ebed9d57b54db21fd9318e0861040129ca678
parent bc41789b2a292bcd545e2aa3610bfd100900d6bd
author Han-Wen Nienhuys <hanwen@google.com> 1564681568 +0200
committer Han-Wen Nienhuys <hanwen@google.com> 1565009482 +0200

use defer to call Builder.Finish

This ensures cleanup. If the cleanup does not happen, an indexing site
may repeated leave unfinished shards in the index directory, filling up
the disk.

Fixes #94.

Change-Id: I3055f7c66586c4e44a7dd44810c3f8fa9fed847b