hex);
                }
        } else {
+               free(url);
                return error("Unable to start request");
        }
 
-       if (has_pack_index(sha1))
+       if (has_pack_index(sha1)) {
+               free(url);
                return 0;
+       }
 
        if (push_verbosely)
                fprintf(stderr, "Getting index for pack %s\n", hex);
        filename = sha1_pack_index_name(sha1);
        snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename);
        indexfile = fopen(tmpfile, "a");
-       if (!indexfile)
+       if (!indexfile) {
+               free(url);
                return error("Unable to open local file %s for pack index",
                             tmpfile);
+       }
 
        slot = get_active_slot();
        slot->results = &results;
        curl_easy_setopt(slot->curl, CURLOPT_URL, url);
        if (start_active_slot(slot)) {
                run_active_slot(slot);
+               free(url);
                if (results.curl_result != CURLE_OK)
                        return error("Couldn't get %s for %s\n%s",
                                     url, ref, curl_errorstr);
        } else {
+               free(url);
                return error("Unable to start request");
        }
 
 
         if (start_active_slot(slot)) {
                run_active_slot(slot);
+               free(url);
                if (results.http_code == 404)
                        return 0;
                else if (results.curl_result == CURLE_OK)
                else
                        fprintf(stderr, "HEAD HTTP error %ld\n", results.http_code);
        } else {
+               free(url);
                fprintf(stderr, "Unable to start HEAD request\n");
        }