+ diff_output_format = DIFF_FORMAT_PATCH;
+ continue;
+ }
+ if (!strncmp(arg, "-B", 2)) {
+ diff_break_opt = diff_scoreopt_parse(arg);
+ continue;
+ }
+ if (!strncmp(arg, "-M", 2)) {
+ detect_rename = DIFF_DETECT_RENAME;
+ diff_score_opt = diff_scoreopt_parse(arg);
+ continue;
+ }
+ if (!strncmp(arg, "-C", 2)) {
+ detect_rename = DIFF_DETECT_COPY;
+ diff_score_opt = diff_scoreopt_parse(arg);