+ struct tree *tree;
+
+ prefix = setup_git_directory();
+ if (prefix && *prefix)
+ chomp_prefix = strlen(prefix);
+ while (1 < argc && argv[1][0] == '-') {
+ switch (argv[1][1]) {
+ case 'z':
+ line_termination = 0;
+ break;
+ case 'r':
+ ls_options |= LS_RECURSIVE;
+ break;
+ case 'd':
+ ls_options |= LS_TREE_ONLY;
+ break;
+ case 't':
+ ls_options |= LS_SHOW_TREES;
+ break;
+ case '-':
+ if (!strcmp(argv[1]+2, "name-only") ||
+ !strcmp(argv[1]+2, "name-status")) {
+ ls_options |= LS_NAME_ONLY;
+ break;
+ }
+ if (!strcmp(argv[1]+2, "full-name")) {
+ chomp_prefix = 0;
+ break;
+ }
+ /* otherwise fallthru */
+ default:
+ usage(ls_tree_usage);
+ }
+ argc--; argv++;
+ }
+ /* -d -r should imply -t, but -d by itself should not have to. */
+ if ( (LS_TREE_ONLY|LS_RECURSIVE) ==
+ ((LS_TREE_ONLY|LS_RECURSIVE) & ls_options))
+ ls_options |= LS_SHOW_TREES;
+
+ if (argc < 2)
+ usage(ls_tree_usage);
+ if (get_sha1(argv[1], sha1) < 0)
+ usage(ls_tree_usage);
+
+ pathspec = get_pathspec(prefix, argv + 2);
+ tree = parse_tree_indirect(sha1);
+ if (!tree)
+ die("not a tree object");
+ read_tree_recursive(tree, "", 0, 0, pathspec, show_tree);