{
        struct tree *tree;
        unsigned char sha1[20];
-       const char **match;
+       struct pathspec pathspec;
        struct cache_entry *last_stage0 = NULL;
        int i;
 
                static const char *(matchbuf[2]);
                matchbuf[0] = prefix;
                matchbuf[1] = NULL;
-               match = matchbuf;
+               init_pathspec(&pathspec, matchbuf);
+               pathspec.items[0].use_wildcard = 0;
        } else
-               match = NULL;
-       if (read_tree(tree, 1, match))
+               init_pathspec(&pathspec, NULL);
+       if (read_tree(tree, 1, &pathspec))
                die("unable to read tree entries %s", tree_name);
 
        for (i = 0; i < active_nr; i++) {
                OPT_END()
        };
 
+       if (argc == 2 && !strcmp(argv[1], "-h"))
+               usage_with_options(ls_files_usage, builtin_ls_files_options);
+
        memset(&dir, 0, sizeof(dir));
        prefix = cmd_prefix;
        if (prefix)