- if (!force_filename) {
- if (!strcmp(arg, "-a")) {
- checkout_all();
- continue;
- }
- if (!strcmp(arg, "--")) {
- force_filename = 1;
- continue;
- }
- if (!strcmp(arg, "-f")) {
- state.force = 1;
- continue;
- }
- if (!strcmp(arg, "-q")) {
- state.quiet = 1;
- continue;
- }
- if (!strcmp(arg, "-n")) {
- state.not_new = 1;
- continue;
- }
- if (!strcmp(arg, "-u")) {
- state.refresh_cache = 1;
- if (newfd < 0)
- newfd = hold_index_file_for_update
- (&cache_file,
- get_index_file());
- if (newfd < 0)
- die("cannot open index.lock file.");
- continue;
- }
- if (!memcmp(arg, "--prefix=", 9)) {
- state.base_dir = arg+9;
- state.base_dir_len = strlen(state.base_dir);
- continue;
- }
- if (arg[0] == '-')
- usage(checkout_cache_usage);
+
+ if (!strcmp(arg, "--")) {
+ i++;
+ break;
+ }
+ if (!strcmp(arg, "-a") || !strcmp(arg, "--all")) {
+ all = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-f") || !strcmp(arg, "--force")) {
+ state.force = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-q") || !strcmp(arg, "--quiet")) {
+ state.quiet = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-n") || !strcmp(arg, "--no-create")) {
+ state.not_new = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-u") || !strcmp(arg, "--index")) {
+ state.refresh_cache = 1;
+ if (newfd < 0)
+ newfd = hold_index_file_for_update
+ (&cache_file,
+ get_index_file());
+ if (newfd < 0)
+ die("cannot open index.lock file.");
+ continue;
+ }
+ if (!strncmp(arg, "--prefix=", 9)) {
+ state.base_dir = arg+9;
+ state.base_dir_len = strlen(state.base_dir);
+ continue;
+ }
+ if (!strncmp(arg, "--stage=", 8)) {
+ int ch = arg[8];
+ if ('1' <= ch && ch <= '3')
+ checkout_stage = arg[8] - '0';
+ else
+ die("stage should be between 1 and 3");
+ continue;