struct branch *current_branch = branch_get(NULL);
        const char *pretty_ref = prettify_refname(ref->name);
 
-       type = sha1_object_info(ref->new_oid.hash, NULL);
+       type = oid_object_info(&ref->new_oid, NULL);
        if (type < 0)
                die(_("object %s not found"), oid_to_hex(&ref->new_oid));
 
        if (in_merge_bases(current, updated)) {
                struct strbuf quickref = STRBUF_INIT;
                int r;
-               strbuf_add_unique_abbrev(&quickref, current->object.oid.hash, DEFAULT_ABBREV);
+               strbuf_add_unique_abbrev(&quickref, ¤t->object.oid, DEFAULT_ABBREV);
                strbuf_addstr(&quickref, "..");
-               strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash, DEFAULT_ABBREV);
+               strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
                if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
                    (recurse_submodules != RECURSE_SUBMODULES_ON))
                        check_for_new_submodule_commits(&ref->new_oid);
        } else if (force || ref->force) {
                struct strbuf quickref = STRBUF_INIT;
                int r;
-               strbuf_add_unique_abbrev(&quickref, current->object.oid.hash, DEFAULT_ABBREV);
+               strbuf_add_unique_abbrev(&quickref, ¤t->object.oid, DEFAULT_ABBREV);
                strbuf_addstr(&quickref, "...");
-               strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash, DEFAULT_ABBREV);
+               strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
                if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
                    (recurse_submodules != RECURSE_SUBMODULES_ON))
                        check_for_new_submodule_commits(&ref->new_oid);
 
        string_list_clear(&list, 0);
 
-       close_all_packs();
+       close_all_packs(the_repository->objects);
 
        argv_array_pushl(&argv_gc_auto, "gc", "--auto", NULL);
        if (verbosity < 0)