diff_output_format = DIFF_FORMAT_MACHINE;
else if (!strcmp(argv[1], "-R"))
diff_setup_opt |= DIFF_SETUP_REVERSE;
- else if (!strcmp(argv[1], "-S"))
+ else if (!strncmp(argv[1], "-S", 2))
pickaxe = argv[1] + 2;
else if (!strcmp(argv[1], "--pickaxe-all"))
pickaxe_opts = DIFF_PICKAXE_ALL;