while (pdata->index[i] > 0) {
                uint32_t pos = pdata->index[i] - 1;
 
-               if (!hashcmp(sha1, pdata->objects[pos].idx.sha1)) {
+               if (!hashcmp(sha1, pdata->objects[pos].idx.oid.hash)) {
                        *found = 1;
                        return i;
                }
 
        for (i = 0; i < pdata->nr_objects; i++) {
                int found;
-               uint32_t ix = locate_object_entry_hash(pdata, entry->idx.sha1, &found);
+               uint32_t ix = locate_object_entry_hash(pdata,
+                                                      entry->idx.oid.hash,
+                                                      &found);
 
                if (found)
                        die("BUG: Duplicate object in hash");
        new_entry = pdata->objects + pdata->nr_objects++;
 
        memset(new_entry, 0, sizeof(*new_entry));
-       hashcpy(new_entry->idx.sha1, sha1);
+       hashcpy(new_entry->idx.oid.hash, sha1);
 
        if (pdata->index_size * 3 <= pdata->nr_objects * 4)
                rehash_objects(pdata);