return b.toString();
    }

<<<<<<< HEAD

    // TODO: move somewhere more "util"?  But, this is somewhat hacky code ... not great to publicize it any more:

    // NOTE: poached from Lucene's IOUtils:

    /** Files.getFileStore(Path) useless here!  Don't complain, just try it yourself. */
    public static FileStore getFileStore(Path path) throws IOException {
        FileStore store = Files.getFileStore(path);

        try {
            String mount = getMountPoint(store);
            FileStore sameMountPoint = null;
            for (FileStore fs : path.getFileSystem().getFileStores()) {
                if (mount.equals(getMountPoint(fs))) {
                    if (sameMountPoint == null) {
                        sameMountPoint = fs;
                    } else {
                        // more than one filesystem has the same mount point; something is wrong!
                        // fall back to crappy one we got from Files.getFileStore
                        return store;
                    }
                }
            }

            if (sameMountPoint != null) {
                // ok, we found only one, use it:
                return sameMountPoint;
            } else {
                // fall back to crappy one we got from Files.getFileStore
                return store;    
            }
        } catch (Exception e) {
            // ignore
        }

        // fall back to crappy one we got from Files.getFileStore
        return store;    
    }

    // NOTE: poached from Lucene's IOUtils:

    // these are hacks that are not guaranteed
    public static String getMountPoint(FileStore store) {
        String desc = store.toString();
        int index = desc.lastIndexOf(" (");
        if (index != -1) {
            return desc.substring(0, index);
        } else {
            return desc;
        }
    }

=======
>>>>>>> 05138151a2dfae56ee88a2bdc0720ca4db7227b2
    /**
     * Deletes a shard data directory iff the shards locks were successfully acquired.
     *

        return b.toString();
    }

    /**
     * Deletes a shard data directory iff the shards locks were successfully acquired.
     *