- if (!strcmp(arg, "-R")) {
- diff_setup_opt |= DIFF_SETUP_REVERSE;
- continue;
- }
- if (!strcmp(arg, "-p")) {
- diff_output_format = DIFF_FORMAT_PATCH;
- recursive = 1;
- continue;
- }
- if (!strncmp(arg, "-S", 2)) {
- pickaxe = arg + 2;
- continue;
- }
- if (!strncmp(arg, "-O", 2)) {
- orderfile = arg + 2;
- continue;
- }
- if (!strcmp(arg, "--pickaxe-all")) {
- pickaxe_opts = DIFF_PICKAXE_ALL;
- continue;
- }
- if (!strncmp(arg, "-M", 2)) {
- detect_rename = DIFF_DETECT_RENAME;
- if ((diff_score_opt = diff_scoreopt_parse(arg)) == -1)
- usage(diff_tree_usage);
- continue;
- }
- if (!strncmp(arg, "-C", 2)) {
- detect_rename = DIFF_DETECT_COPY;
- if ((diff_score_opt = diff_scoreopt_parse(arg)) == -1)
- usage(diff_tree_usage);
- continue;
- }
- if (!strncmp(arg, "-B", 2)) {
- if ((diff_break_opt = diff_scoreopt_parse(arg)) == -1)
- usage(diff_tree_usage);
- continue;
- }
- if (!strcmp(arg, "--find-copies-harder")) {
- find_copies_harder = 1;
- continue;
- }
- if (!strcmp(arg, "-z")) {
- diff_output_format = DIFF_FORMAT_MACHINE;
- continue;
- }