const char *path = entry->path;
 
        if (!entry->stage)
-               return read_sha1_file(entry->blob->object.sha1, &type, size);
+               return read_sha1_file(entry->blob->object.oid.hash, &type, size);
        base = NULL;
        if (entry->stage == 1) {
                base = entry->blob;
        enum object_type type;
        while (entry) {
                if (entry->stage == 2)
-                       return read_sha1_file(entry->blob->object.sha1, &type, size);
+                       return read_sha1_file(entry->blob->object.oid.hash, &type, size);
                entry = entry->link;
        }
        return NULL;
        do {
                struct merge_list *link = entry->link;
                static const char *desc[4] = { "result", "base", "our", "their" };
-               printf("  %-6s %o %s %s\n", desc[entry->stage], entry->mode, sha1_to_hex(entry->blob->object.sha1), entry->path);
+               printf("  %-6s %o %s %s\n", desc[entry->stage], entry->mode, oid_to_hex(&entry->blob->object.oid), entry->path);
                entry = link;
        } while (entry);
 }
 
 static char *traverse_path(const struct traverse_info *info, const struct name_entry *n)
 {
-       char *path = xmalloc(traverse_path_len(info, n) + 1);
+       char *path = xmallocz(traverse_path_len(info, n));
        return make_traverse_path(path, info, n);
 }