}
if (!strncmp(arg, "-M", 2)) {
detect_rename = DIFF_DETECT_RENAME;
}
if (!strncmp(arg, "-M", 2)) {
detect_rename = DIFF_DETECT_RENAME;
continue;
}
if (!strncmp(arg, "-C", 2)) {
detect_rename = DIFF_DETECT_COPY;
continue;
}
if (!strncmp(arg, "-C", 2)) {
detect_rename = DIFF_DETECT_COPY;