* Copyright (C) 2005 Linus Torvalds
  *
  */
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
 #include "builtin.h"
 #include "config.h"
 #include "lockfile.h"
                        continue;
                did_checkout = 1;
                if (checkout_entry(ce, &state,
-                   to_tempfile ? topath[ce_stage(ce)] : NULL) < 0)
+                                  to_tempfile ? topath[ce_stage(ce)] : NULL,
+                                  NULL) < 0)
                        errs++;
        }
 
                                write_tempfile_record(last_ce->name, prefix);
                }
                if (checkout_entry(ce, &state,
-                   to_tempfile ? topath[ce_stage(ce)] : NULL) < 0)
+                                  to_tempfile ? topath[ce_stage(ce)] : NULL,
+                                  NULL) < 0)
                        errs++;
                last_ce = ce;
        }
 static int option_parse_stage(const struct option *opt,
                              const char *arg, int unset)
 {
+       BUG_ON_OPT_NEG(unset);
+
        if (!strcmp(arg, "all")) {
                to_tempfile = 1;
                checkout_stage = CHECKOUT_ALL;
                        N_("write the content to temporary files")),
                OPT_STRING(0, "prefix", &state.base_dir, N_("string"),
                        N_("when creating files, prepend <string>")),
-               { OPTION_CALLBACK, 0, "stage", NULL, "1-3|all",
+               { OPTION_CALLBACK, 0, "stage", NULL, "(1|2|3|all)",
                        N_("copy out the files from named stage"),
                        PARSE_OPT_NONEG, option_parse_stage },
                OPT_END()