"--stdout",
                NULL,
                NULL,
+               NULL,
        };
        struct child_process po;
        int i;
 
+       i = 4;
        if (args->use_thin_pack)
-               argv[4] = "--thin";
+               argv[i++] = "--thin";
+       if (args->use_ofs_delta)
+               argv[i++] = "--delta-base-offset";
        memset(&po, 0, sizeof(po));
        po.argv = argv;
        po.in = -1;
 {
        fprintf(stderr, " %c %-*s ", flag, SUMMARY_WIDTH, summary);
        if (from)
-               fprintf(stderr, "%s -> %s", prettify_ref(from), prettify_ref(to));
+               fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
        else
-               fputs(prettify_ref(to), stderr);
+               fputs(prettify_refname(to->name), stderr);
        if (msg) {
                fputs(" (", stderr);
                fputs(msg, stderr);
                ask_for_status_report = 1;
        if (server_supports("delete-refs"))
                allow_deleting_refs = 1;
+       if (server_supports("ofs-delta"))
+               args->use_ofs_delta = 1;
 
        if (!remote_refs) {
                fprintf(stderr, "No refs in common and none specified; doing nothing.\n"
        int fd[2];
        struct child_process *conn;
        struct extra_have_objects extra_have;
-       struct ref *remote_refs, **remote_tail, *local_refs;
+       struct ref *remote_refs, *local_refs;
        int ret;
        int send_all = 0;
        const char *receivepack = "git-receive-pack";
                flags |= MATCH_REFS_MIRROR;
 
        /* match them up */
-       remote_tail = &remote_refs;
-       while (*remote_tail)
-               remote_tail = &((*remote_tail)->next);
-       if (match_refs(local_refs, remote_refs, &remote_tail,
-                      nr_refspecs, refspecs, flags)) {
+       if (match_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
                return -1;
-       }
 
        ret = send_pack(&args, fd, conn, remote_refs, &extra_have);